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Tris(2-ethylhexyl) phosphate

Product Name
Tris(2-ethylhexyl) phosphate
CAS No.
78-42-2
Chemical Name
Tris(2-ethylhexyl) phosphate
Synonyms
TOP;TRIOCTYL PHOSPHATE;TEHP;TRIS(2-ETHYLHEXYL) PHOSPHATE;TRI(2-;AmgardTOF;flexoltof;Flexol TOF;NCI-C54751;kronitextof
CBNumber
CB4670674
Molecular Formula
C24H51O4P
Formula Weight
434.63
MOL File
78-42-2.mol
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Tris(2-ethylhexyl) phosphate Property

Melting point:
-70°C
Boiling point:
215 °C4 mm Hg(lit.)
Density 
0.92 g/mL at 20 °C(lit.)
vapor pressure 
2.1 mm Hg ( 20 °C)
refractive index 
n20/D 1.444(lit.)
Flash point:
>230 °F
storage temp. 
Store below +30°C.
solubility 
<0.001g/l
form 
Liquid
Specific Gravity
0.93
color 
Colourless
PH
7 (H2O, 20℃)
Water Solubility 
<0.1 g/100 mL at 18 ºC
BRN 
1715839
CAS DataBase Reference
78-42-2(CAS DataBase Reference)
NIST Chemistry Reference
2-Ethylhexanol phosphate (3:1)(78-42-2)
EPA Substance Registry System
Tris(2-ethylhexyl) phosphate (78-42-2)
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Safety

Hazard Codes 
Xi
Risk Statements 
38
Safety Statements 
23-43-24/25
WGK Germany 
2
RTECS 
MP0770000
Autoignition Temperature
370 °C
TSCA 
Yes
HS Code 
29190090
Hazardous Substances Data
78-42-2(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 37000 mg/kg LD50 dermal Rabbit 20000 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.21202
Product name
Tris(2-ethylhexyl) phosphate
Purity
for synthesis
Packaging
100mL
Price
$41
Updated
2024/03/01
Sigma-Aldrich
Product number
8.21202
Product name
Tris(2-ethylhexyl) phosphate
Purity
for synthesis
Packaging
1L
Price
$122
Updated
2024/03/01
Sigma-Aldrich
Product number
289922
Product name
Tris(2-ethylhexyl) phosphate
Purity
97%
Packaging
25ml
Price
$77.8
Updated
2024/03/01
Sigma-Aldrich
Product number
289922
Product name
Tris(2-ethylhexyl) phosphate
Purity
97%
Packaging
500ml
Price
$87.4
Updated
2024/03/01
TCI Chemical
Product number
P1022
Product name
Tris(2-ethylhexyl) Phosphate
Purity
>98.0%(GC)
Packaging
25mL
Price
$24
Updated
2024/03/01
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Tris(2-ethylhexyl) phosphate Chemical Properties,Usage,Production

Chemical Properties

Tris(2-ethylhexyl) phosphate, a clear, viscous liquid, is used as a component of vinyl stabilizers, grease additives, and flame-proofing compositions; however, it is used primarily as a plasticizer for vinyl plastic and synthetic rubber compounds.

Tris(2-ethylhexyl) phosphate has been employed as a specialty flameretardant plasticizer for vinyl compositions where low temperature flexibility is critical, eg, in military tarpaulins. It can be included in blends with general purpose plasticizers such as phthalate esters to improve low temperature flexibility.

Uses

Tris(2-ethylhexyl) Phosphate is used as a phosphorous flame retardant. Used as a plasticizer in the preparation of a new potentiometric membrane sensor.

Uses

Solvent, antifoaming agent, plasticizer.

Definition

ChEBI: Tris(2-ethylhexyl) phosphate is a trialkyl phosphate.

General Description

Clear colorless to pale yellow liquid with a slight sharp odor. Insoluble in water; Soluble in alcohol, acetone, and ether. Combustible.

Reactivity Profile

Tris(2-ethylhexyl) phosphate is incompatible with oxidizing materials. Tris(2-ethylhexyl) phosphate may soften or deteriorate certain plastics and elastomers. Tris(2-ethylhexyl) phosphate is incompatible with cellulose acetate and cellulose acetate butyrate.

Hazard

Toxic by ingestion and inhalation.

Flammability and Explosibility

Not classified

Purification Methods

TEHP, in an equal volume of diethyl ether, is shaken with aqueous 5% HCl, and the organic phase is filtered to remove traces of pyridine (used as a solvent during manufacture) as its hydrochloride. This layer is shaken with aqueous Na2CO3, then water, and the ether is distilled off at room temperature. The ester is then filtered, dried for 12hours at 100o/15mm, and again filtered, then shaken intermittently for 2days with activated alumina (100g/L). It is decanted through a fine sintered-glass disc (with exclusion of moisture), and distilled under vacuum. [French & Muggleton J Chem Soc 5064 1957.] *Benzene can be used as a solvent (to give 0.4M solution) instead of ether. IR ( ): 1702, 1701, 481 and 478cm -1 [Bellamy & Becker J Chem Soc 475 1952]. The uranyl nitrate salt is purified by partial crystallisation from hexane [Siddall & Dukes J Am Chem Soc 81 790 1959, Siddall J Am Chem Soc 81 4176 1959]. [Beilstein 1 IV 1786.]

Tris(2-ethylhexyl) phosphate Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Tris(2-ethylhexyl) phosphate manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Trioctyl phosphate TOP 78-42-2
Price
US $99.00-35.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-05-10
Hebei Weibang Biotechnology Co., Ltd
Product
Tris(2-ethylhexyl) phosphate 78-42-2
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-29
Hebei Yanxi Chemical Co., Ltd.
Product
Tris(2-ethylhexyl) phosphate 78-42-2
Price
US $0.00/kg
Min. Order
1kg
Purity
99.00%
Supply Ability
20tons
Release date
2023-09-13

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