Tetrahydrolinalool

Also known as: 2,6-Dimethyl-6-octanol, 3-Octanol, 3,7-dimethyl-, EINECS 201-133-9, EINECS 260-912-1, FEMA No. 3060 (+4 more)

INCI: TETRAHYDROLINALOOL

Tetrahydrolinalool (CAS 78-69-3) is a cosmetic cosmetic ingredient functioning as Fragrance Ingredient (floral, fresh, citrus profile). NOAEL 160 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 78-69-3 →

Auto-generated CPSR Part A draft with source citations
Function
Fragrance Ingredient (floral, fresh, citrus profile)
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C10H22O
MW
158.28 g/mol
EC Number
201-133-9
PubChem CID
6548
IUPAC Name
3,7-dimethyloctan-3-ol
InChIKey
DLHQZZUEERVIGQ-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes GRAS as flavoring agent (21 CFR 172.515; FEMA 3060); permitted in cosmetics as fragrance

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Tetrahydrolinalool.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Tetrahydrolinalool across SCCS product categories, with measured dermal absorption where available.

HRIPT Human Patch Test Studies

1 human repeat insult patch test aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HMT - 0 2700 - -

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (1)
Carcinogen Classification
No indication of carcinogenicity to humans (not listed by IARC).
Source: Toxin and Toxin Target Database (T3DB)
Regulatory (2)
JECFA Number
357
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
TETRAHYDROLINALOOL | 1998 | No safety concern at current levels of intake when used as a flavouring agent | TRS 891-JECFA 51/79 | FAS 42-JECFA 51/293
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Flavouring and nutrient Fragrance
Regulatory List Membership (4)
IFRA Fragrance Transparency List EPA Safer Chemical Ingredients List (SCIL) FDA Substances Added to Food (EAFUS) Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for Tetrahydrolinalool.

Regulatory Flags

potential-allergen fragrance-component epa_safer_alternative ifra_fragrance fda_food_additive jecfa_safe

Known Synonyms

2,6-Dimethyl-6-octanol 3-Octanol, 3,7-dimethyl- EINECS 201-133-9 EINECS 260-912-1 FEMA No. 3060 Linalool tetrahydride NSC 128151 UNII-UM4XS5M134 Tetrahydromuguol

Chemical Function

Fragrance

Regulatory Lists

detected; Europe; Vehicle - car interior air; detected; emissions; Europe; Vehicle - car interior - auto air freshener Europe air; detected; emissions; Personal care inert_ingredient; non_food_use; Pesticides IFRA Transparency food_additive; Substances Added to Food (formerly EAFUS) (2/2019) SCIL (9/2019) consumer_product

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

ChEMBL ID
CHEMBL3183871
View full pharmaceutical profile →

Frequently Asked Questions

Is Tetrahydrolinalool safe in cosmetics?

Tetrahydrolinalool has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted.

Is Tetrahydrolinalool allowed in the EU?

Tetrahydrolinalool EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Tetrahydrolinalool do in cosmetics?

Tetrahydrolinalool functions as: Fragrance Ingredient (floral, fresh, citrus profile). It is classified as a cosmetic ingredient in our database. CAS number: 78-69-3.

Is Tetrahydrolinalool used outside cosmetics?

Tetrahydrolinalool also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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