126-73-8 structure, C12H27O4P

tributyl phosphate

CAS No.

126-73-8

Formula:

C12H27O4P

Basic Info

Tributyl phosphate, known commonly as TBP, is an organophosphorus compound with the chemical formula (CH3CH2CH2CH2O)3PO. This colourless, odorless liquid finds some applications as an extractant and a plasticizer. It is an ester of phosphoric acid with n-butanol.

Formula
C12H27O4P
Molecular Weight
266.314
Exact Mass
266.165
LogP
4.5446
PSA
54.57
Synonyms

phosphoric acid tributyl ester

Tri-n-butyl phosphate

Gallo Sky Blue S

Tributylphosphate

Celluphos 4

Celestin blue

Tributyl phosphate

Coreine RR No. 65

1-Carbamoyl-7-diaethylamino-3,4-dihydroxy-phenoxazinylium,Chlorid

Gallo Sky Blue B

Coreine Blue B

Celestin blue B

CELESTINE BLUE

1-carbamoyl-7-diethylamino-3,4-dihydroxy-phenoxazinylium,chloride

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Properties

Appearance & Physical State
Clear liquid
Density
0.979
Boiling Point
289ºC
Melting Point
-79ºC
Flash Point
146ºC
Refractive Index
1.423-1.425
Water Solubility
0.6 g/100 mL
Stability
Stable. Combustible. Incompatible with strong oxidizing agents. May be water sensitive.
Storage Condition
Store in a cool, dry place. Keep from contact with oxidizing materials. Keep away from reducing agents. Keep containers tightly closed.
Vapor Density
9.2 (vs air)
Vapor Pressure
27 mm Hg ( 178 °C)

Safety Info

RTECS
TC7700000
Safety Statements
S36/37-S46
WGK Germany
2
Risk Statements
R22; R38; R40
HS Code
2919900090
RIDADR
UN 1208 3/PG 2
Hazard Class
6.1
Packing Group
I; II; III
Hazard Codes

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