Tributyl phosphite

Description

Tri-n-butyl phosphite · CAS 102-85-2 · C12H27O3P. UNII 498030B4AD.

Identification

CAS Registry Number	102-85-2
PubChem CID	7623
Molecular formula	C12H27O3P
IUPAC name	tributyl phosphite
UNII (FDA)	498030B4AD

Computed Descriptors

Molecular Weight	250.31
XLogP3	3.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	12
Exact Mass	250.16978172
Monoisotopic Mass	250.16978172
Topological Polar Surface Area	27.7
Heavy Atom Count	16
Formal Charge	0

Physical description & handling notes

• Clear colorless liquid with a mild odor; [Acros Organics MSDS]

Regulatory Status

GHS notification summary	0.1% (1 / 725)

GHS Hazard Classification

GHS notification summary	0.1% (1 / 725)
Reported hazard statements	H315 (33%), H319 (94.5%), H412 (76.6%)

Documented Uses

• Phosphorous acid, tributyl ester: ACTIVE

Synonyms

TRIBUTYL PHOSPHITE; 102-85-2; Tri-n-butyl phosphite; Tributoxyphosphine; Phosphorous acid, tributyl ester; Tributylfosfit; Butyl phosphite ((C4H9O)3P); Phosphorus tributoxide (p(OBu)3); JP 304; DTXSID7051474; NSC-2675; 498030B4AD; DTXCID2030065; TBPi cpd; RefChem:190911; 203-061-3

Frequently Asked Questions

What are the CAS number and molecular formula of Tri-n-butyl phosphite?

CAS 102-85-2; molecular formula C12H27O3P; molecular weight — g/mol.

What other names is Tri-n-butyl phosphite known by?

TRIBUTYL PHOSPHITE, 102-85-2, Tri-n-butyl phosphite, Tributoxyphosphine, Phosphorous acid, tributyl ester, Tributylfosfit.

Is Tri-n-butyl phosphite classified as hazardous?

0.1% of GHS notifications report no hazard classification (1 of 725).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.