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Heptane

Also known as: 1-HEPTANE, ALKANE C7, EINECS 205-563-8, Eptani, HEPTANE-200, Heptan, MFCD00009544, anhydrous n-heptane, ethyl-pentane, n-C7H16

Heptane (CAS 142-82-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H16 and a molecular weight of 100.202 g/mol. Key properties include a melting point of −91 °C(lit.), a boiling point of 98.8±3.0 °C at 760 mmHg, a density of 0.683 and a flash point of -1.1±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H304 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
142-82-5
Jingsj CID
J-45154-9
Molecular Formula
C7H16
Molecular Weight
100.202 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−91 °C(lit.)
Boiling Point98.8±3.0 °C at 760 mmHg
Density0.683
Flash Point-1.1±0.0 °C
Exact Mass100.125198
LogP4.47
Additional Property3.5 (vs air)
Vapor Pressure45.2±0.1 mmHg at 25°C
Refractive Index1.394
Additional Propertypractically insoluble

GHS Safety & Compliance

Flammable / Irritant / Health Hazard / Environmental HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H304
  • H315 — Causes skin irritation
  • H336 — May cause drowsiness or dizziness
  • H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2901100000
Summary2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Heptane?

The CAS number of Heptane is 142-82-5.

What are the molecular formula and molecular weight of Heptane?

Heptane has molecular formula C7H16 and molecular weight 100.202 g/mol.

Is Heptane hazardous?

Heptane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H304; H315 — Causes skin irritation.

What are the upstream and downstream products of Heptane?

For Heptane, Upstream Products: 4-Heptanone, Hexylmagnesium chloride, Hept-1-ene; Downstream Products: PERFLUOROHEPTANE, 2,3-Dimethylpentane, 3,3-Dimethylpentane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Heptane (CAS 142-82-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45154-9 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.