C6H15O3P
166.16 g/mol
Industrial ChemicalWarning
TRIETHYL PHOSPHITE
CAS122-52-1EC204-552-5
Category
Industrial Chemical
Compound Class
Other
Primary Use
chemical intermediate for flame retardants
Triethyl phosphite is a clear colorless liquid with a strong foul odor. It is less dense than water, insoluble in water, and its vapors are heavier than air.
chemical intermediate for flame retardantsplasticizerreagent in synthetic organic chemistry
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.
Controlled substances
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CAS 122-52-1
Related Compounds
ReferenceSame Category
Phenyl glycidyl ether
CAS122-60-1
reactive diluent for epoxy resins
ReferenceSame Category
Diethylhexyl sebacate
CAS122-62-3
plasticizer for polymers
ReferenceSame Category
Phenyl acetate
CAS122-79-2
Solvent and organic synthesis intermediate
ReferenceSame Category
P-butoxyphenol
CAS122-94-1
industrial chemical intermediate
Safety Reference
Warning
H226Flammable liquid and vapour
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
H320Causes eye irritation
H361Suspected of damaging fertility or the unborn child
H371May cause damage to organs
H402Harmful to aquatic life
Customs Tariff Classification
The international HS code for TRIETHYL PHOSPHITE (CAS 122-52-1) is 2920.24.
HS code (international, 6-digit)
2920.24
EU CN code (8-digit)
2920 24 00
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
triethyl phosphite
InChIKey
BDZBKCUKTQZUTL-UHFFFAOYSA-N
SMILES
CCOP(OCC)OCC
Synonyms (14)
- (EtO)3P
- Ethyl phosphite, (EtO)3P
- Fosforyn trojetylowy
- Fosforyn trojetylowy [Czech]
- P(OEt)3
- Phosphorus ether
- TRIETHYL PHOSPHITE
- TRIS(ETHOXY)PHOSPHINE
- Triethoxyphosphine