C12H27P
202.32 g/mol
Industrial ChemicalDanger
Tributylphosphine
CAS998-40-3EC213-651-2
Category
Industrial Chemical
Compound Class
Other
Primary Use
Catalyst for polymerization and hydrogenation
Tributylphosphine is an organophosphorus compound and a tertiary phosphine. It is an oily liquid with a nauseating odor, primarily used as a catalyst in polymerization and hydrogenation reactions.
Catalyst for polymerizationCatalyst for hydrogenation
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
SimilarStructure SimilarSimilarity 0.73
Trioctylphosphine
CAS4731-53-7
research compound
ReferenceSame Category
Tributylsilane
CAS998-41-4
silicon compound intermediate
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2-Fluoro-4'-(trans-4-pentylcyclohexyl)-4-(trans-4-propylcyclohexyl)-1,1'-biphenyl
CAS99896-05-6
liquid crystal intermediate
ReferenceSame Category
Diallyl maleate
CAS999-21-3
Crosslinking agent and monomer
ReferenceSame Category
Propylene glycol monoacrylate
CAS999-61-1
reactive comonomer for thermosetting resins
Safety Reference
Danger
H226Flammable liquid and vapour
H250Catches fire spontaneously if exposed to air
H251Self-heating; may catch fire
H302Harmful if swallowed
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Tributylphosphine (CAS 998-40-3) is 2931.49.
HS code (international, 6-digit)
2931.49
EU CN code (8-digit)
2931 49 80
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
tributylphosphane
InChIKey
TUQOTMZNTHZOKS-UHFFFAOYSA-N
SMILES
CCCCP(CCCC)CCCC
Synonyms (23)
- (Bu)3P
- P(Bu)3
- P(N-BU)3
- PBu(n)3
- Phosphine, tributyl-
- Tri-n-butylphosphane
- Tri-n-butylphosphine
- Tributylfosfin
- Tributylfosfin [Czech]
- Tributylphosphane
- Tributylphosphine
- Tributylphosphorus
- Tribuylphosphine
- Tris(butyl)phosphine
- n-Bu3P
- tri-n-butylphosphin
- tributyiphophine
- tributylphoshine
- tributylphospine
- tris n-butyl phosphine
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