Domalski and Hearing, 1996 Page10of11 MSDS–Heptane Introduceddate:01.L. Accidental release measures Stop leak if without risk. Less dense than water and insoluble in water. Visit ChemicalBook To find more Heptane(142-82-5) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. It is structurally a hexane molecule with a methyl group attached to its second carbon atom. At 98 deg C, the heptane will start boiling off along with some evaporating heptanol.Octane number equates to the anti-knock qualities of a comparison mixture of heptane and iso-octane which is expressed as the Heptane is metabolized to its parent alcohols (mainly 2-heptanol and 3 heptanol, and to a minor extent 1-heptanol and 4- heptanol). Heptane is one of the 9 isomers C7H16 or a derivative of these molecules that comprises 7 atoms of carbon. You can also browse global suppliers,vendor,prices,Price,manufacturers of Heptane(142-82-5). It has been found in Amaranth seeds. Heptane anhydrous, Greener Alternative for hexane, 99%; CAS Number: 142-82-5; EC Number: 205-563-8; Linear Formula: C7H16; find Sigma-Aldrich-246654 MSDS n-Heptane Revision Date 13-Oct-2023 4. : 142-82-5 1. 314., 1963, 67, 2757-2761. Molecular Formula CH. Synonym: Dipropyl methane; Heptyl hydride 3. When used as a test fuel component in anti-knock test engines, a 100% heptane fuel is the zero point of the octane rating scale (the 100 point is 100% iso-octane). ChemSpider ID 7803. Bilangan oktan bensin bisa ditentukan melalui uji pembakaran sampel bensin untuk mendapatkan karakteristik pembakarannya. It has a role as a biomarker, a human xenobiotic metabolite, a human urinary metabolite and a rat metabolite. 2,4-dimethylheptane is an alkane that is heptane in which a hydrogen has been replaced by a methyl group at positions 2 and 4. Monoisotopic mass 114. Monoisotopic mass 130. Loss of appetite and/or nausea may occur. Unduh versi PDF. Average mass 96.W. If released to air, a vapor pressure of 96. By combining the data obtained by the two techniques, the DIYChemicals Heptanes -- Industrial Grade Heptane Industrial Nonpolar Solvent for Cements, Ink, Extractions - Made in USA - Gallon (128 fl oz) 4.; Solubilities are in water and are reported as grams solvent/100 grams water. Learn: methane (1 carbon atom), ethane (2 carbon atoms), propane (3 carbon atoms), butane (4 carbon atoms), pentane (5 carbon atoms), hexane (6 carbon atoms), heptane (7 carbon atoms), octane (8 carbon atoms), nonane (9 carbon atoms) and decane (10 2-Methylhexane. Molecular Formula CH. n-Heptana adalah senyawa hidrokarbon alkana rantai lurus dengan rumus kimia H3C 5CH3 atau C7H16. ChemSpider ID 46880. Molecular Formula CH.4 out of 5 stars 23. CAMEO Chemicals Heptane is a straight-chain alkane … Heptane IUPAC identifier Office of Data and Informatics IUPAC Standard InChI: IUPAC Standard InChIKey:IMNFDUFMRHMDMM-UHFFFAOYSA-N CAS Registry Number: … Thermodynamic properties of standard n-heptane from 155 to 270K and of 2,2-dichloropropane from 135 to 270K, J. 2,2,4-Trimethylpentane, also known as isooctane or iso-octane, is an organic compound with the formula (CH 3) 3 CCH 2 CH(CH 3) 2. Description.80, and 1. Average mass 114. LOTUS - the natural products occurrence database. Showing 1-30 of 50 results for "n-heptane" within Products.
manydomrehT. Density 0.2025 SECTION15 REGULATORYINFORMATION OSHA HAZARD COMMUNICATION STANDARD: When used for its intended purpose, this material is classified as hazardous in accordance with OSHA 29CFR 1910.This particular isomer is the standard 100 point on the octane rating scale (the zero point is n-heptane). 8 No. Average mass 100. Permanent link for this species. In greek, "ἑπτά" (epta) means "seven". Heptane Hazards. Skin Contact Wash off immediately with plenty of water for at least 15 minutes.As a hydrocarbon, it can undergo hydrocarbon combustion which gives off heat energy., 1963 Oetting F. Insoluble in water. Shop products from small business brands sold in Amazon's store. ChemSpider ID 11845. Move containers from spill area. Ketika digunakan sebagai campuran bahan bakar pada mesin tes anti-ketukan, bahan bakar yang mengandung 100% heptana mempunyai angka oktan sebesar nol .05.9±1. : 000000011719. 2,4-Dimethylheptane is a natural product found in Solanum lycopersicum and Nicotiana tabacum with data available. Synonyms: Heptaldehyde, 1-Heptanal, Aldehyde C7, Enanthaldehyde, Oenanthaldehyde. Production Methods: Heptane is produced in refining processes.093903 Da. First-aid measures Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes.3 kj/mol from Davies and Gilbert, 1941 and Δ vap H° value of 36. Chem. Chem. More information on the manner in which spectra in this collection were collected can be found here. : VWR International LLC Radnor Corporate Center Building One Suite 200 100 Matsonford Road Radnor PA 19087. This Henry's Law constant indicates that 3-heptanone is expected to volatilize from water surfaces (3).05. It is used as a solvent, as an anaesthetic and in organic synthesis. Typical: $62. Angka oktan ini menunjukkan bagaimana kualitas bensin yang digunakan dengan … C 12 H 26 (Heptane, 2,2,4,6,6-pentamethyl-) C 12 H 26 (Dodecane) C 12 H 26 (heptane, 2,2,4,5,6-pentamethyl-) C 12 H 26 Al_____ (2 species) C 12 H 26 ClN 3 OS (Urea, 1-cyclohexyl-3-[3-[2-mercaptoethyl)amino]propyl]-, hydrochloride) C 12 H 26 N_____ (14 species) C 12 H 26 O_____ (226 species) C 12 H 26 S_____ (18 species) heptane is a solvent and viscosity-decreasing agent. Office of Data and Informatics. Use spark-proof tools and explosion-proof equipment.1.821 ssam cipotosionoM . ChEBI.3 kj/mol from Davies and Gilbert, 1941 and Δ vap H° value of 36. Stay upwind and use water spray to ``knock down'' vapor. Heptane is an important hydrocarbon (or organic molecule as it, along with pure octane, sets the extreme ends of the octane rating scale. 4-Ethylheptane | C9H20 | CID 16663 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Triptane is commonly used as an anti-knock additive in aviation Heptanal. Molecular weight: 100. Alkanes are not very reactive and have little biological activity; all alkanes are colorless and odorless. Wash spillages into an effluent treatment plant or proceed as follows. The influence of the molecular structure of heptane isomers on the combustion rate was investigated. 1-Bromoheptane | C7H15Br | CID 12369 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety C p,gas (J/mol*K) Temperature (K) Reference Comment; 135. Inhalation Remove to … Heptane. 4-Methyl heptane, also known as isooctane, is an organic compound with the molecular formula C8H18. Use this link for bookmarking this species for future reference.1. [8] Because of its sensitivity to oxidation, heptanal is filled under nitrogen and stabilized with 100 ppm hydroquinone. for this species. It has a role as a plant metabolite, a fragrance, a flavouring agent and a gap junctional intercellular communication inhibitor.: 823-69-8; Synonyms: 7,7-Dichlorobicyclo-[4. ChemSpider ID 68268.5 and 16 hours respectively.5% causes loss of reflexes in mice in 125 min; however, < or =1.5 and 16 hours respectively.38, 0. Chem. It does partition into human tissues and blood. ChemSpider ID 24531959.86 - 391. ChemSpider ID 8560. Am. Nomenclature of Alkanes II.1000 Table Z-1.W. Domalski and Hearing, 1996 Thermodynamic properties of standard n-heptane from 155 to 270K and of 2,2-dichloropropane from 135 to 270K, J. Small Business.80, and 1. Dari Wikipedia bahasa Indonesia, ensiklopedia bebas.9 for n-pentane, n-hexane, and n-heptane, respectively. When handled improperly, it can cause harm to the human body.682: Osborn and Douslin, 1974: Coefficents calculated by NIST from author's data.125198 Da.531-29. Molecular Weight: 100. Monoisotopic mass 96. The temperature IUPAC Standard InChI: InChI=1S/C7H15Cl/c1-2-3-4-5-6-7-8/h2-7H2,1H3 Copy IUPAC Standard InChIKey: DZMDPHNGKBEVRE-UHFFFAOYSA-N Copy CAS Registry Number: 629-06-1 Heptane-d16; Other names: n-Heptane; Dipropylmethane; Heptyl hydride; Skellysolve C; n-C7H16; Eptani; Heptan; Heptanen; Gettysolve-C; NSC 62784 Permanent link for this species.79: kJ/mol: Ccb: Prosen and Rossini, 1945: ALS: Δ f H° gas-189. , The compressibility of liquid and gaseous normal heptane and an equation of state for gaseous normal heptane, J. CAS 142-82-5, EC Number 205-563-8, chemical formula CH₃(CH₂)₅CH₃. Monoisotopic mass 100.0% and it can be released to the environment in volcanic emissions, tobacco smoke and plant volatiles. Pengertian Senyawa Hidrokarbon.170 Da.6 mm Hg (1), and water solubility, 4,300 mg/L (2). Definition Vapor-phase 1-heptene will be degraded in the atmosphere by reaction with photochemically-produced hydroxyl radicals and ozone molecules with atmospheric half-lives of about 9. Products Building Blocks Explorer Genes Papers Technical Documents Site Content Chromatograms.The heptanol metabolites are conjugated by glucuronates or sulfates, and subsequently excreted in urine.It is an important component of gasoline, frequently used in relatively large proportions (around 10%) to Quantity Value Units Method Reference Comment; Δ f H° gas-187. The hydroisomerization of n-heptane to form dibranched and tribranched products useful for producing high octane gasoline.9±1. It is readily absorbed by the inhalation route. Articles of Heptane are included as well.20. etil hidrida, metil metana.2. Heptane ( n -Heptane) is a linear hydrocarbon. At last,Heptane(142 … Excerpt from NIOSH Pocket Guide for n-Heptane: Eye: IRRIGATE IMMEDIATELY - If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids.2. Not for medicinal, household or other use. CH3(CH2)5CHO. Heptane acts as a thinner for rubber cement. Other names: n-Heptane; Dipropylmethane; Heptyl hydride; Skellysolve C; n-C7H16; Eptani; Heptan; Heptanen; Gettysolve-C; NSC 62784. heptane Chemical Name: Heptane Chemical Formula: C7H16 Contact Information: Sciencelab. It is highly flammable, and its vapors can be explosive. Use personal protective equipment.61 K. ChemSpider ID 11106. ChemSpider ID 11028. In liquid form, heptane and its many isomers are often used as non-polar solvents.093903 Da. It is therefore an alkane, specifically the most compact and heavily branched of the heptane isomers, the only one with a butane (C 4) backbone. 4-Methylheptane. Molecular Formula C. Exposure can cause headache, lightheadedness, dizziness, lack of coordination and loss of consciousness., 1963 Oetting F. It is widely used as a cheap, relatively safe, largely unreactive, and easily evaporated non-polar solvent, and modern gasoline blends heptane -- Critically Evaluated Thermophysical Property Data from NIST/TRC Web Thermo Tables (WTT) ] are included, also. Aldrich-774693; 7,7-Dichlorobicyclo[4. Oetting F. Chemical structure: This structure is also available as a 2d Mol file 3d SD file The 3d structure may be viewed using. ChemSpider ID 8560.L. Melting point: 182.Cycloheptane vapour is irritating to the eyes and may cause respiratory depression if inhaled in large quantity. Isotopologues: for this species. Average mass 96. Use this link for bookmarking this species for future reference.gninifer muelortep morf deniatbo enakla diuqil sselroloc A :noitinifeD . Heptane-d16. Prevent entry into sewers, water courses, basements or confined areas. It has eight isomers, with N-heptane being the purest and unbranched form of the molecule. Inhalation: Inhaling heptane vapors can cause dizziness, nausea, and in severe cases, unconsciousness. Ketika digunakan sebagai campuran bahan bakar pada mesin tes anti-ketukan, bahan bakar yang mengandung 100% heptana mempunyai angka oktan sebesar nol (angka oktan 100 adalah bensin yang mengandung 100% iso-oktana). Angka oktan ini Heptanal is an n-alkanal resulting from the oxidation of the alcoholic hydroxy group of heptan-1-ol to the corresponding aldehyde.
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, 1937, 59, 1587-9. Molecular Formula CH.com, Inc. PRODUCT AND COMPANY IDENTIFICATION . An endogenous aldehyde coming from membrane lipid oxidation, it is found in the blood of lung cancer patients and has been regarded as a potential biomarker of lung cancer. The temperature will remain at 98 deg until all the heptane has boiled off. Camphene is a monoterpene with a bicyclic skeleton that is bicyclo [2. Heptane is a flammable, volatile, organic, straight-chain alkane of seven carbon atoms.255 Da. See 29 CFR 1910. ChEBI.6 kj/mol from Prosen and Rossini, 1945. However, the common names do not generally follow the basic IUPAC nomenclature rules.1)heptane Information on this page: Notes; Other data available: Condensed phase thermochemistry data; Phase change data; IR Spectrum; Mass spectrum (electron ionization) Gas Chromatography; Data at other public NIST sites: 2,3,4-Trimethylheptane | C10H22 | CID 93280 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities 12.170 Da. Chem.aD 681. Scott D. Heptane, Hexane, and Pentane are all non-polar solvents. Molecular Formula CH. Cyclohexane is present in all crude oils in concentrations of 0. : 601-008-00-2 CAS-No.
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C 7 H 16. Approach release from upwind. The naming of cycloalkanes follows a simple set of rules that are built upon the same basic steps in naming alkanes. It is a dialkyl ketone and a methyl ketone. ChEBI. Colorless flammable liquid.202 Da.19. Pharm Grade™ n-Heptane. Information on this page: Heptane. Thus, it makes an excellent choice in pharmaceutical laboratories requiring precise control of chemical variables.15 K) = -5236 ±5 kJ/mol. 2,2,4,6,6-pentamethylheptane is a branched alkane that is heptane carrying two methyl groups each at positions 2 and 6, and one methyl group at position 4. First-aid measures General Advice If symptoms persist, call a physician.01% at 25°C : Regulatory and Safety Data : DOT Hazard Class: 3, Flammable Liquid: Packing Group: II: UN Identification Number: UN1206 : Storage: Store in an area designed for flammable storage, or in an approved metal cabinet, away from direct sunlight, heat and sources of ignition. Suatu campuran 30 n-heptana dan 70 isooktana akan mempunyai bilangan oktan : = (30/100×0) + (70/100×10) = 70. 1. It is a colorless liquid, odorless when pure, and with boiling points approximately 69 °C (156 °F). For more information call. It has a role as a plant metabolite. Information on this page: Other data available: Octane does not cause axonopathy. It is used as a solvent.109550 Da. Secara alami heptana ada dalam sembilan bentuk isomer yang mencakup dua enansiomer. [1] The thermodynamic changes on mixing heptane isomers with hexadecanes were reported. The parent compound must have the longest chain of carbon atoms. [ all data ] Oetting F.79: kJ/mol: Ccb: Prosen and Rossini, 1945: ALS: Δ f H° gas-189. Most of then- Hexane used in industry is mixed with similar chemicals called solvents. Has eleven isomers, including two optical isomers: n-heptane (normal heptane), 2-methylhexan, 3-methylhexan, 2,2-dimethylpentane, 2,3-dimethylpentane, 2,4-dimethylpentane, 3,3-dimethylpentane, 3 n-Hexane is a chemical made from crude oil. * All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.1]heptane substituted by geminal methyl groups at position 2 and a methylidene group at position 3. It has a role as a plant metabolite and a fragrance., 1972, 4, 773-782.1200. 3-Ethylheptane | C9H20 | CID 51806 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Product Use Description. ChemicalBook 致力于为化学行业用户提供正庚烷的性质、化学式、分子式、比重、密度,同时也包括正庚烷的沸点、熔点、MSDS、用途、作用、毒性、价格、生产厂家、用途、上游原料、下游产品等信息。 In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products: Butir di Wikidata. ChEBI. ChemSpider ID 11122. Notice: … HEPTANE HPT CAUTIONARY RESPONSE INFORMATION Common Synonyms Watery liquid Colorless Gasoline-like odor Floats on water.Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. Moreover, the liquids can cool below 0 degrees celsius and boil below 100 degrees celsius, making them efficient in laboratory applications. [9] HEPTANE†. Houston, Texas 77396 US Sales: 1-800-901-7247 International Sales: 1-281-441-4400 Order Online: ScienceLab. Discover more about the 2,4,6-Heptanetrione | C7H10O3 | CID 12285 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities Nanosheets of layered perovskite-like oxides attract researchers as building blocks for the creation of a wide range of demanded nanomaterials. Filter & Sort.1)heptane; 1a,2b,5a-2,6,6-Trimethylbicyclo(3. Flash point 25 °F. - Find MSDS or SDS, a COA, data sheets and more information. Modify: 2023-12-23. dimetil metana; propil hidrida.185 Da. A concn of 35 mg/l resulted in the loss of righting reflexes in mice and 50 mg/l caused a total loss of reflexes. Chemsrc provides Heptane(CAS#:142-82-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Average mass 130. The present study has considered systematically a 802 RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B Vol. Highly purified heptane is produced by adsorption of commercial heptane on molecular sieves. It derives from a hydride of a heptane. 2-Methylheptane is a hydrocarbon and one of the isomers of octane. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Daftar di bawah ini merupakan daftar alkana rantai lurus beserta nama dagang/populernya, diurutkan berdasarkan jumlah atom karbon . Heptane-1-d3. The general formula of the cycloalkanes is CnH2n C n H 2 n where n n is the number of carbons. Skin Contact Wash off immediately with plenty of water for at least 15 minutes.20 g/mol. Octanes may be found in gasoline.6837. The boiling point of 4-methyl heptane is around 99-101°C (210-214°F). Heptane, an alkane, {eq}C_{7} H_{16} {/eq}, is a hydrocarbon made up of a chain of seven carbons with sixteen hydrogen atoms surrounding it. Get medical attention. 4-heptanone is a dialkyl ketone that is heptane in which the two methylene protons at position 4 have been replaced by an oxo group. CAS 111-71-7.rD yb detpada saw elbat siht ,5002 nI :setoN tnalaes ,takerep ,fitida sipalep nad tac nataubmep malad nakanugid anatpeH . Health factors: See NIH-NLM PubChem . 2,2,4,6,6-Pentamethylheptane is a natural product found in Tuber borchii with data available. Average mass 96. Molecular Formula CHO.229 Da.198. Do not use mouth-to-mouth method if victim … HEPTANE†. Boiling point: 208. Manufactured for.9 for n-pentane, n-hexane, and n-heptane, respectively.84562: 1718. 12. Get medical attention. Versi cetak.202 Da.6 kj/mol from Prosen and Rossini, 1945.229 Da. Heptane is not only flammable, but also moderately toxic if inhaled. Heptane-1-d3. solution was placed in a thinwalled capillary borosili cate glass cell with an external diameter of 2 mm and a iso-heptane Aethylisoamyl EINECS 209-730-6 2-methyl-hexane Methylhexane hexane,2-methyl 2-Methylhexane isoheptane dimethyl-pentane d726 2-methyl-hexan MFCD00009487 Hexane, 2-methyl- ethylisobutylmethane C 12 H 26 (Heptane, 2,2,4,6,6-pentamethyl-) C 12 H 26 (Dodecane) C 12 H 26 (heptane, 2,2,4,5,6-pentamethyl-) C 12 H 26 Al_____ (2 species) C 12 H 26 ClN 3 OS (Urea, 1-cyclohexyl-3-[3-[2-mercaptoethyl)amino]propyl]-, hydrochloride) C 12 H 26 N_____ (14 species) C 12 H 26 O_____ (226 species) C 12 H 26 S_____ (18 species) heptane is a solvent and viscosity-decreasing agent. Heptan-2-one is a dialkyl ketone with methyl and pentyl as the alkyl groups. [2] The performance of Pd/SAPO (palladium/silicoaluminophosphates)-5 and Pd/SAPO-11 Heptane. Thermodynam.1. Heptane (19043) Section 6.1X10-5 atm-cu m/mole (SRC) derived from its vapor pressure, 2. The properties covered by both versions (32 total) are described in. 4.00am-5:00pm) 1-800-932-5000. Senyawa etena dan propena termasuk ke dalam golongan senyawa hidrokarbon. There are nine isomers, among which n-heptane [CH3 (CH2) 5CH3] is the most important.1000 Table Z-1.0 license, unless otherwise stated. water/AOT/n-heptane microemulsions plays an essential role for the synthesis, size control, and passivation of CdS nanoparticles. 93. Inhalation Remove to fresh air. If released to soil, 1-heptene is expected to have slight mobility based upon an estimated Koc of 3,500.1-1.93 $ 59. Chem. Vapors heavier than air. Get medical attention immediately.One of these isomers, 2,2,4-trimethylpentane (commonly called iso-octane) is used as one of the standard values in the octane rating scale. 2,6-Dimethylheptane | C9H20 | CID 14069 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities Temperature (K) A B C Reference Comment; 233.dR nikmeT 5334N . Monoisotopic mass 114. Myers, Webmaster of ACS Division of Organic Division (DOC) from: Professor Murov's Organic solvent table.1. Office of Data and Informatics. Heptane is a straight-chain alkane and one of the main components of gasoline.099380 Da. Chem., 1972, 4, 773-782. CAMEO Chemicals. Non-Polar Solvents. Product Name: Heptane Synonyms/Generic Names: Dipropyl methane; Heptyl hydride Product Number: 2504 Product Use: Industrial, Manufacturing or Laboratory use Manufacturer: Columbus Chemical Industries, Inc. Information on this page: 3-Ethylheptane. Molecular Formula CH. Heptane is an organic compound with seven carbon atoms and 16 hydrogen atoms in branched or unbranched molecules.This approach gives a good agreement with experimental data available for alkanes. Production Methods: Heptane is produced in refining processes. In case of emergency call : Heptane.8 ± 0. Average mass 98. 2-Methylalkane: A branched alkane, with a methyl group connected to the second carbon atom n-Heptane: Overview: EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications., 1972, 4, 773-782. Monoisotopic mass 114.). - 2 of 2 defined stereocentres., 1974].9 Volatilization from Water / Soil. 2-Heptene. Heptane is used in various mechanical, industrial, and n-Heptane for liquid chromatography LiChrosolv®., 1963, 67, 2757-2761.093903 Da. It has a role as a fungal metabolite.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratory chemicals, Synthesis of substances 1. Product name : Heptane Product Number : H2198 Brand : SIGALD Index-No. The product is a mixture of heptane isomers with ≥25% n -heptane. It is obtained by fractional distillation of petroleum.4 Created on 01/22/2021 Page 1 of 7 Safety Data Sheet ., 1974: Recommended values were obtained from the consistent correlation scheme for alkanes [ Scott D. Average mass 114. Monoisotopic mass 100.L. Phys. If released to soil, 1-heptene is expected to have slight mobility based upon an estimated Koc of 3,500.140854 Da. This value is calculated by adding the atomic masses of all the atoms present in a single molecule of C7H16. 3-Methylheptane. Of seven tissues studied, n-pentane showed the highest solublility in adipose tissue 2-Methylheptane. It is a primary alcohol and a heptanol. Molecular Weight 114. 4-methylheptane is a branched C8 alkane, comprising heptane with a methyl group attached at C-4.3: kJ/mol: N/A: Davies and Gilbert, 1941: Value computed using Δ f H liquid ° value of -225.. May cause irritation of respiratory tract. Get medical attention. It is an alkane and a volatile organic compound.