S

Skatole

IUPAC: 3-methyl-1H-indole

C9H9N Organic Compounds CAS 83-34-1
AllChemicals — The Online Chemical Glossary | https://allchemicals.info/chemical/skatole
Expert Written | Fact Checked | Sources Cited | AllChemicals Editorial Team
Quick Reference
Formula / NotationC9H9N
CAS Number83-34-1
Molecular Weight131.17
Melting Point95 °C
Boiling Point265-266 °C @ 755 MM HG
SolubilitySOL IN HOT WATER, ALC, BENZENE, CHLOROFORM, ETHER
AppearanceWhite to brownish solid with a fecal odor; [Merck Index] Odor becomes pleasant and sweet at very low concentrations; [HSDB] White crystalline flakes with a stench; [MSDSonline]
Also Known As3-methyl-1H-indole; 3-METHYLINDOLE; 3-Methyl-1H-indole; 83-34-1; Scatole; 1H-Indole, 3-methyl-; Skatol; Indole, 3-methyl-; beta-Methylindole; FEMA No. 3019
CategoryOrganic Compounds

What is Skatole?

Skatole is a methylindole carrying a methyl substituent at position 3. It is produced during the anoxic metabolism of L-tryptophan in the mammalian digestive tract. It has a role as a mammalian metabolite and a human metabolite.

Formula & Notation

C9H9N

IUPAC Name: 3-methyl-1H-indole

Other Names / Synonyms: 3-methyl-1H-indole; 3-METHYLINDOLE; 3-Methyl-1H-indole; 83-34-1; Scatole; 1H-Indole, 3-methyl-; Skatol; Indole, 3-methyl-; beta-Methylindole; FEMA No. 3019

Properties & Characteristics

Appearance: White to brownish solid with a fecal odor; [Merck Index] Odor becomes pleasant and sweet at very low concentrations; [HSDB] White crystalline flakes with a stench; [MSDSonline]. Molecular formula: C9H9N. Molecular weight: 131.17 g/mol. Boiling point: 265-266 °C @ 755 MM HG. Melting point: 95 °C. Solubility: SOL IN HOT WATER, ALC, BENZENE, CHLOROFORM, ETHER. Vapor pressure: 0.0055 [mmHg]. LogP: 2.6.

Physical Data

PropertyValue
Melting Point95 °C
Boiling Point265-266 °C @ 755 MM HG
Molecular Weight131.17
SolubilitySOL IN HOT WATER, ALC, BENZENE, CHLOROFORM, ETHER
AppearanceWhite to brownish solid with a fecal odor; [Merck Index] Odor becomes pleasant and sweet at very low concentrations; [HSDB] White crystalline flakes with a stench; [MSDSonline]

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Skatole
Formula C9H9N
CAS Number 83-34-1
Molecular Weight 131.17
Category Organic Compounds
Index All "S" terms
Synonyms 3-methyl-1H-indole; 3-METHYLINDOLE; 3-Methyl-1H-indole; 83-34-1; Scatole; 1H-Indole, 3-methyl-; Skatol; Indole, 3-methyl-; beta-Methylindole; FEMA No. 3019

Frequently Asked Questions

Skatole is a methylindole carrying a methyl substituent at position 3. It is produced during the anoxic metabolism of L-tryptophan in the mammalian digestive tract. It has a role as a mammalian metabolite and a human metabolite.

More "S" Terms

S Orbital ψ(1s): spherical; n=1,l=0,ml=0; holds max 2e⁻ Saccharate Saccharic Saccharic Acid Saccharide Safranin C20H19ClN4 Safranine Salicylaldehyde Salicylate Salicylic acid C7H6O3 Salinometer Salt
View all "S" terms →
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.

AllChemicals.info — The Online Chemical Glossary | https://allchemicals.info/chemical/skatole

For educational purposes only. Verify all information before use.