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Tributyl phosphate

Tributyl phosphate
Tributyl phosphate
CAS No.
126-73-8
Chemical Name:
Tributyl phosphate
Synonyms
TBP;mcs2495;tributyl;Tributyle;ANTIFOAM T;celluphos4;Celluphos 4;Phos-Ad 100;disflamolltb;Kronitex TBP
CBNumber:
CB4187323
Molecular Formula:
C12H27O4P
Formula Weight:
266.31
MOL File:
126-73-8.mol

Tributyl phosphate Properties

Melting point:
-79 °C
Boiling point:
289 °C
Density 
0.979 g/mL at 25 °C(lit.)
vapor density 
9.2 (vs air)
vapor pressure 
27 mm Hg ( 178 °C)
refractive index 
n20/D 1.424(lit.)
Flash point:
380 °F
storage temp. 
Store below +30°C.
solubility 
water: soluble1ml in 165ml water
form 
Liquid
color 
Clear
Water Solubility 
0.6 g/100 mL
Merck 
14,9618
BRN 
1710584
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents. May be water sensitive.
CAS DataBase Reference
126-73-8(CAS DataBase Reference)
NIST Chemistry Reference
Tri-n-butylphosphate(126-73-8)
EPA Substance Registry System
Phosphoric acid tributyl ester(126-73-8)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn,F
Risk Statements  22-38-40-62-48/20-36/37/38-11-20/22
Safety Statements  36/37-46-45-36/37/39-16-53
RIDADR  UN 1208 3/PG 2
WGK Germany  2
RTECS  TC7700000
TSCA  Yes
HS Code  29190010
Hazardous Substances Data 126-73-8(Hazardous Substances Data)
Toxicity LD50 orally in rats: 3.0 g/kg (Smyth, Carpenter)
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P315 Get immediate medical advice/attention.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

Tributyl phosphate price More Price(20)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 00675 Tributyl phosphate for extraction analysis, ≥99.0% (GC) 126-73-8 100ml $39.8 2017-11-08 Buy
Sigma-Aldrich 00675 Tributyl phosphate for extraction analysis, ≥99.0% (GC) 126-73-8 500ml $119 2017-11-08 Buy
Alfa Aesar A16084 Tri-n-butyl phosphate, 98% 126-73-8 250ml $20.3 2017-11-08 Buy
Alfa Aesar A16084 Tri-n-butyl phosphate, 98% 126-73-8 1000ml $41.6 2017-11-08 Buy
Sigma-Aldrich 8.18604 Tributyl phosphate 126-73-8 2EA $44.25 2017-11-08 Buy

Tributyl phosphate Chemical Properties,Uses,Production

Chemical Properties

colourless liquid

Uses

Extractant for metal complexes.1

Definition

ChEBI: A trialkyl phosphate that is the tributyl ester of phosphoric acid.

Uses

Plasticizer for cellulose esters, lacquers, plastics, and vinyl resins.

General Description

Odorless colorless to yellow liquid. Toxic by ingestion and inhalation.

Air & Water Reactions

Water insoluble. Reacts slowly with water under basic conditions.

Reactivity Profile

Tributyl phosphate is incompatible with strong oxidizing agents and strong bases. Attacks some forms of plastics and rubber .

Health Hazard

May cause stimulation of the central nervous system.

Fire Hazard

Special Hazards of Combustion Products: Toxic fumes of PO x

Purification Methods

The main contaminants in commercial samples are organic pyrophosphates, mono- and di- butyl phosphates and butanol. It is purified by washing successively with 0.2M HNO3 (three times), 0.2M NaOH (three times) and water (three times), then fractionally distilled under vacuum. [Yoshida J Inorg Nucl Chem 24 1257 1962.] It has also been purified via its uranyl nitrate addition compound, obtained by saturating the crude phosphate with uranyl nitrate. This compound is crystallised three times from n-hexane by cooling to -40o, and then decomposed by washing with Na2CO3 and water. Hexane is removed by steam distillation; the water is then evaporated under reduced pressure, and the residue is distilled under reduced pressure. [Siddall & Dukes J Am Chem Soc 81 790 1959.] Alternatively, wash it with water, then with 1% NaOH or 5% Na2CO3 for several hours, then finally with water. Dry it under reduced pressure and fractionate it carefully under vacuum. It is a stable colourless oil, sparingly soluble in H2O (1mL dissolves in 165mL of H2O), but freely miscible in organic solvents. [Kuivila & Masterton J Am Chem Soc 74 4953 1952, Cox & Westheimer J Am Chem Soc 80 5441 1958, 31P NMR: Van Wazer J Am Chem Soc 78 5715 1956, Fertig et al. J Chem Soc 1488 1957, Beilstein 1 IV 1531.]

Tributyl phosphate Preparation Products And Raw materials

Raw materials

Preparation Products


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