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361143

Sigma-Aldrich

Tributyl phosphite

90%, technical grade

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About This Item

Linear Formula:
[CH3(CH2)3O]3P
CAS Number:
Molecular Weight:
250.31
Beilstein:
1703866
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:

grade

technical grade

Assay

90%

form

liquid

refractive index

n20/D 1.431 (lit.)

bp

118-125 °C/7 mmHg (lit.)

density

0.925 g/mL at 25 °C (lit.)

SMILES string

CCCCOP(OCCCC)OCCCC

InChI

1S/C12H27O3P/c1-4-7-10-13-16(14-11-8-5-2)15-12-9-6-3/h4-12H2,1-3H3

InChI key

XTTGYFREQJCEML-UHFFFAOYSA-N

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General description

Tributyl phosphite is an alkylphosphite and is reported to inhibit carboxylesterase activity.

Application

Tributyl phosphite may be employed as model lubricant additive and its surface chemistry on Fe3O4 in ultrahigh vacuum is investigated.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Dermal - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

208.4 °F - closed cup

Flash Point(C)

98 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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A M Saboori et al.
Chemico-biological interactions, 80(3), 327-338 (1991-01-01)
Human blood monocyte carboxylesterase (CBE) is inhibited by a variety of organophosphorus compounds including arylphosphates and arylphosphites and some alkylphosphites. Triphenyl phosphate and triphenyl phosphite with Ki values of 8 x 10(-9) M and 4.8 x 10(-8) M, respectively, are
Feng Gao et al.
Langmuir : the ACS journal of surfaces and colloids, 20(18), 7557-7568 (2004-08-25)
The surface chemistry of a model lubricant additive, tributyl phosphite (TBPi), is investigated on Fe3O4 in ultrahigh vacuum. A portion of the TBPi desorbs molecularly following adsorption at approximately 200 K, the remainder decomposing either by C-O bond scission to

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