Merck
All Photos(2)

8.18604

Sigma-Aldrich

Tributyl phosphate

for synthesis

Synonym(s):
TBP, TBPA
Linear Formula:
(CH3(CH2)3O)3PO
CAS Number:
Molecular Weight:
266.31
Beilstein:
1710584
MDL number:
EC Index Number:
204-800-2

vapor density

9.2 (vs air)

Quality Level

vapor pressure

27 mmHg ( 178 °C)
7.3 mmHg ( 150 °C)

assay

≥99.0% (GC)

form

liquid

autoignition temp.

770 °F

potency

1550 mg/kg LD50, oral (Rat)
>3100 mg/kg LD50, skin (Rabbit)

refractive index

n20/D 1.424 (lit.)

bp

180-183 °C/22 mmHg (lit.)

mp

−79 °C (lit.)

transition temp

flash point 146 °C

solubility

6 g/L

density

0.979 g/mL at 25 °C (lit.)

storage temp.

2-30°C

SMILES string

CCCCOP(=O)(OCCCC)OCCCC

InChI

1S/C12H27O4P/c1-4-7-10-14-17(13,15-11-8-5-2)16-12-9-6-3/h4-12H2,1-3H3

InChI key

STCOOQWBFONSKY-UHFFFAOYSA-N

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Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.976 - 0.978
Identity (IR): passes test

Pictograms

Exclamation markHealth hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Carc. 2 - Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

294.8 °F

Flash Point(C)

146 °C

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