Ingredient Dictionary

TETRAHYDROLINALOOL

3,7-dimethyl-3-octanol is a fatty alcohol that is 3-octanol substituted by methyl groups at positions 3 and 7.

Definition

3,7-dimethyl-3-octanol is a fatty alcohol that is 3-octanol substituted by methyl groups at positions 3 and 7. Metabolite observed in cancer metabolism. It has a role as a human metabolite. It is a medium-chain fatty alcohol, a tertiary alcohol and an alkyl alcohol.

Source: PubChem

US FDA substance register · UNII UM4XS5M134 · registered name TETRAHYDROLINALOOL · 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

TETRAHYDROLINALOOLINCI3-Octanol, 3,7-dimethyl-Synonym

CAS No.chemical registry number: 78-69-3
EC No.EU chemical inventory number: 201-133-9
DTXSIDUS EPA chemical ID: DTXSID7029110
DTXCIDUS EPA compound ID: DTXCID409110

IUPAC: 3,7-Dimethyloctan-3-ol
Molecular formula: C10H22O
Molecular weight: 158.285 g/mol

Measured properties

Appearance: liquid
Melting/freezing point: 31.5 ℃
Initial boiling point and range: 196.5 ℃
Flash point: 76 ℃
Vapour density: 0.823~0.829
n-Octanol/water partition coefficient (Kow): 3.60
Molecular weight: 158.28

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: KOSHA safety data sheets (Korea)

What products actually use it for

What the 160 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.

Fragrance154
Flavouring and nutrient4
Deodorizer2

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 1 eye studies are on record.

Classed as moderate2

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 5 studies

SkinIrr2
Skin Irritation · QSAR Predicted
Classification not possible
Skin Sensitization · Screening
Category 2
Skin Irritation · Screening
Low to Moderate Frequency of Sensitization
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) July 22, 2010
Category 2A
Eye Irritation · Screening