C5H12S
104.22 g/mol
Flavor & FragranceDanger
1-Pentanethiol
CAS110-66-7EC203-789-1
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
synthetic flavoring ingredient and odorant
1-Pentanethiol is an organosulfur compound used as a synthetic flavoring ingredient and odorant. It is characterized by a thiol group that contributes to its distinct aroma.
synthetic flavoring ingredientodorant
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongStructure SimilarSimilarity 0.92
1-dodecanethiol
CAS112-55-0
Polymerization regulator for synthetic rubber
StrongStructure SimilarSimilarity 0.92
1-Tetradecanethiol
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Intermediate in synthetic rubber processing
StrongStructure SimilarSimilarity 0.92
1-octadecanethiol
CAS2885-00-9
pharmaceutical intermediate
StrongStructure SimilarSimilarity 0.92
Cetyl mercaptan
CAS2917-26-2
Intermediate in organic synthesis
ReferenceSame Category
Diethyl disulfide
CAS110-81-6
Flavoring agent
ReferenceSame Category
2-octanone
CAS111-13-7
flavoring agent and fragrance
ReferenceSame Category
Propyl sulfide
CAS111-47-7
sulfide flavor and fragrance ingredient
ReferenceSame Category
Heptyl alcohol
CAS111-70-6
Fragrance and flavoring agent
Safety Reference
Danger
H225Highly flammable liquid and vapour
H302Harmful if swallowed
H332Harmful if inhaled
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 1-Pentanethiol (CAS 110-66-7) is 2930.90.
HS code (international, 6-digit)
2930.90
EU CN code (8-digit)
2930 90 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
pentane-1-thiol
InChIKey
ZRKMQKLGEQPLNS-UHFFFAOYSA-N
SMILES
CCCCCS
Synonyms (35)
- 1-Mercaptopentane
- 1-Pentanethiol
- 1-Pentanthiol
- 1-Pentyl mercaptan
- 1-n-Pentanethiol
- 1-pentylthiol
- 2Methyl1butanethiol
- 2Methylbutyl mercaptan
- AMYL MERCAPTAN
- Amyl hydrosulfide
- Amyl mercaptans
- Amyl sulfhydrate
- Amyl thioalcohol
- Caswell No. 642A
- Mercaptan amilique
- Mercaptan amilique [French]
- Mercaptan amylique
- Mercaptan amylique [French]
- Mercaptopentane
- PENTANETHIOL, 1-
- Pentalarm
- Pentanethiol
- Pentyl mercaptan
- Thioamyl alcohol
- n-Amyl mercaptan
- n-Amylthiol
- n-Pentylthiol
- n-Thioamyl alcohol
- n-pentanethiol
- nPentylmercaptan
- pentylthiol
- thiopentane
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