Ingredient Dictionary

TRANS-2-HEXENOL

2-hexen-1-ol is a primary allylic alcohol that is 2-hexene in which a hydrogen at position 1 has been replaced by a hydroxy group.

Definition

2-hexen-1-ol is a primary allylic alcohol that is 2-hexene in which a hydrogen at position 1 has been replaced by a hydroxy group. It has a role as a plant metabolite. It is a primary allylic alcohol and an alkenyl alcohol.

Source: PubChem

US FDA substance register · UNII BVP79C4821 · registered name 2-HEXEN-1-OL, (2E)- · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

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

Names & identifiers

TRANS-2-HEXENOLINCI2-Hexen-1-ol, (E)-Synonym

CAS No.chemical registry number: 928-95-0
EC No.EU chemical inventory number: 213-191-2
DTXSIDUS EPA chemical ID: DTXSID2047062
DTXCIDUS EPA compound ID: DTXCID0027062

IUPAC: (2E)-Hex-2-en-1-ol
Molecular formula: C6H12O
Molecular weight: 100.161 g/mol

Measured properties

Appearance: Liquid · Almost colourless liquid, Strong, fruity-green aroma
Boiling point: 158.00 to 160.00 °C. @ 760.00 mm Hg · 158-160
Solubility: Soluble in propylene glycol and most fixed oils, Very slightly soluble in water · Soluble (in ethanol)
Density: 0.836-0.841
Colour: colourless
Initial boiling point and range: 157 ℃
Flash point: 54 ℃
Vapour pressure: 0.911 ㎜Hg (25 ℃, est.)
Water solubility: 19000 ㎎/ℓ (25 ℃, est.)
Relative density: 0.84
n-Octanol/water partition coefficient (Kow): 1.61
Molecular weight: 100.18

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 12 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.

Fragrance12

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 0 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 1 studies

SkinIrr2
Skin Irritation · QSAR Predicted