Tributyl phosphite

亚磷酸三丁酯

Also known as: Tri-n-butyl phosphite, Tributoxyphosphine, Phosphorous acid tributyl ester, Phosphorous acid, tributyl ester, Butyl phosphite, TRIBUTYL PHOSPHITE, Tri-n-butylphosphite, MFCD00009437, EINECS 203-061-3

CAS No.
102-85-2
Jingsj CID
J-40752-8
Molecular Formula
C12H27O3P
Chinese Name
亚磷酸三丁酯
Molecular Weight
250.315 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-80 °C
Boiling Point268.1±0.0 °C at 760 mmHg
Density0.925 g/mL at 25 °C(lit.)
Flash Point121.1±0.0 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of Tributyl phosphite?

102-85-2

What are the molecular formula and molecular weight of Tributyl phosphite?

C12H27O3P, molecular weight 250.315 g/mol

Is Tributyl phosphite hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026