Skatole

Also known as: EINECS 201-471-7, FEMA No. 3019, UNII-9W945B5H7R, 3-MI, Skatol (+2 more)

INCI: SKATOLE

Skatole (CAS 83-34-1) is a cosmetic cosmetic ingredient functioning as Fragrance (animalic/fecal/floral note in trace amounts). EU Regulation 1223/2009 status: permitted. 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 83-34-1 →

Auto-generated CPSR Part A draft with source citations
Function
Fragrance (animalic/fecal/floral note in trace amounts)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C9H9N
MW
131.17 g/mol
EC Number
201-471-7
PubChem CID
6736
IUPAC Name
3-methyl-1H-indole
InChIKey
ZFRKQXVRDFCRJG-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted; FEMA GRAS \#3019 for flavor use; no specific cosmetic restriction

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

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 1296 - -

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
Ceased manufacture
Substance Type
SUBSTANCE
SVHC Candidate
No

PubChem Annotations

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

Regulatory (4)
JECFA Number
1304
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
3-METHYL-4,5-BENZOPYRROLE | 2004 | No safety concern at current levels of intake when used as a flavouring agent | TRS 928-JECFA 63/55 | FAS 54-JECFA 63/195
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
SKATOLE | 2004 | No safety concern at current levels of intake when used as a flavouring agent | TRS 928-JECFA 63/55 | FAS 54-JECFA 63/195
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
3-METHYLINDOLE | 2004 | No safety concern at current levels of intake when used as a flavouring agent | TRS 928-JECFA 63/55 | FAS 54-JECFA 63/195
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 (3)
IFRA Fragrance Transparency List FDA Substances Added to Food (EAFUS) Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for Skatole.

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Known Synonyms

EINECS 201-471-7 FEMA No. 3019 UNII-9W945B5H7R 3-MI Skatol b-Methylindole beta-methylindole

Chemical Function

Fragrance Flavouring and nutrient

Regulatory Lists

detected; drinking_water; MN Chemical Screening detected; drinking_water; MN Chemical Screening detected; drinking_water; MN Chemical Screening Europe detected; wastewater IFRA Transparency food_additive; Substances Added to Food (formerly EAFUS) (2/2019) consumer_product

Australian Status

AICIS status: listed

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
CHEMBL1329793
View full pharmaceutical profile →

Frequently Asked Questions

Is Skatole safe in cosmetics?

Skatole has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Skatole allowed in the EU?

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

What does Skatole do in cosmetics?

Skatole functions as: Fragrance (animalic/fecal/floral note in trace amounts). It is classified as a cosmetic ingredient in our database. CAS number: 83-34-1.

Is Skatole used outside cosmetics?

Skatole 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.

Is Skatole in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Skatole in your formulation.