Ingredient Dictionary

HEPTANE

Heptane is a straight-chain alkane with seven carbon atoms.

How much products actually contain

No product states its amount yet.

Of the products containing it, 237 list it before the 1% line and 0 after it (usually 1% or less).

Products using this ingredient

12 of 237 confirmed · likeliest to carry enough first · See all 237

Definition

Heptane is a straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). It has a role as a non-polar solvent and a plant metabolite. It is a volatile organic compound and an alkane.

Source: PubChem

US FDA substance register · UNII 456148SDMJ · registered name Heptane · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Base that dissolves other ingredientsSOLVENT

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name ヘプタン: 本品は、次の化学式で表される炭化水素である。

Source: JCIA labelling names (Japan)

Names & identifiers

HEPTANEINCI헵탄Korean label name (MFDS standard)ヘプタンJapanese labelling name

CAS No.chemical registry number: 142-82-5
EC No.EU chemical inventory number: 205-563-8
DTXSIDUS EPA chemical ID: DTXSID6024127
DTXCIDUS EPA compound ID: DTXCID004127

IUPAC: Heptane
Molecular formula: C7H16
Molecular weight: 100.205 g/mol

Measured properties

Appearance: N-heptane is a clear colorless liquids with a petroleum-like odor. Flash point 25 °F. Less dense than water and insoluble in water. Vapors heavier than air. · Liquid, CBI
Odour: Gasoline-like odor
Boiling point: 209.1 °F at 760 mmHg (USCG, 1999) · 98.38 °C
Melting point: -131 °F (USCG, 1999) · -90.549 °C
Solubility: 0.0003 % (NIOSH, 2024) · In water, 3.40 mg/L at 25 °C
Density: 0.6838 at 68 °F (USCG, 1999) - Less dense than water, will float · 0.6795 g/cu cm at 25 °C
Colour: colourless
Melting/freezing point: -91 ℃
Initial boiling point and range: 98 ℃
Flash point: -4 ℃
Upper/lower flammability or explosive limits: 6.7 / 1.1 %
Vapour pressure: 4.6 ㎪(20℃)
Water solubility: 2.4 ㎎/ℓ(25 ℃)
Vapour density: 3.46
Relative density: 0.69
n-Octanol/water partition coefficient (Kow): 4.66
Auto-ignition temperature: 285 ℃
Viscosity: 0.641 ㎡/s(20℃)
Molecular weight: 100.201

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 39 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Solvent13
Degradant/impurity (EPA)4
Intermediate3
Diluent3
Cleaning agent2
Pigment2
Processing aids not otherwise specified2
Anti-adhesive/cohesive2

7 other uses

Fuel2
Solubility enhancer1
Viscosity modifier1
Dispersing agent1
Fragrance1
Adhesion/cohesion promoter1
Propellants, non-motive (blowing agents)1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

5 skin studies and 1 eye studies are on record.

Classed as moderate1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 6 studies

Skin Irrit. 2
Skin Irritation · Authoritative
Category 6.3B (Category 3)
Skin Irritation · Read Across
Category 2
Skin Irritation · Screening
Classification not possible
Skin Sensitization · Screening
Skin corrosion/irritation - Category 2
Skin Irritation · Screening
Category 2
Eye Irritation · Screening