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Phosphoric acid tri-o-cresyl ester

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Formula: C21H21 O4 P
CAS: 78-30-8

Identification

Structural Formula
Phosphoric acid tri-o-cresyl ester
CAS:
78-30-8
EINECS:
201-103-5
Molecular Formula:
C21H21 O4 P
MDL:
Synonym:
plastic x ; tris(o-cresyl) phosphate ; nsc 438 ; tokf ; tris(2-tolyl) phosphate ; totp ; tri-2-cresyl p ; phosphoric acid,tris(2-methylphenyl) ester ; triorthocresyl ; tri-o-cresyl ; nclc61041 ; phosflex179c ; tris(o-tolyl)phosphate ; tri-o-cresyl phosphate ; tofk ; tocp ; phosphoricacid, tri-o-tolyl ester (8ci) ; tri-o-tolyl phosphate ; phosflex 179c ; tris(o-methylphenyl) phosphate ; o-cresyl phosphate




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Properties for Phosphoric acid tri-o-cresyl ester

Molecular Weight:
368.39 g·mol−1
Density:
1.2
Melting point:
-25 °C
Boiling point:
410 °C
Flash point:
225 °C
Solubility:
0.1mgl-1(e)
Physical Description:
clear colorless to yellow viscous liquid
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Safety & Transport Information

Poison by subcutaneous, intramuscular, intravenous, and intraperitoneal routes. Moderately toxic by ingestion. Most of the cases of tri-o-cresyl phosphate poisoning have followed its ingestion. In 1930, some 15,000 persons were affected in the United States, and of these, 10 died. The responsible material was found to be an alcoholic drink known as Jamaica ginger, or “jake.” This beverage had been adulterated with about 2% of tri-o-cresyl phosphate. The affected persons developed a polyneuritis, which progressed, in many cases, with degeneration of the peripheral motor nerves, the anterior horn cells, and the pyramidal tracts. Sensory changes were absent. Since 1930 there have been several other outbreaks of poisoning following ingestion of the material. Tri-o-cresyl phosphate is more toxic than the m-form, and much more so than tri-p-cresyl phosphate or triphenyl phosphate. Experimental reproductive effects.Combustible when exposed to heat or flame. Can react with oxidizing materials. To fight fire, use CO2, dry chemical. When heated to decomposition it emits highly toxic fumes of POx. See also PHOSPHATES.Analytical Methods: For occupational chemical analysis use NIOSH: Triorthocresyl Phosphate, S209.
Risk Codes:
R39/23/24/25 - Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Codes:
S20/21 - When using do not eat, drink or smoke
S28 - After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
S61 - Avoid release to the environment. Refer to special instructions/safety data sheet
Hazard Classes:
6.1(a)
Hazard Symbols:
Toxic by ingestion and skin absorption. The o- isomer is highly toxic. TLV: 0.1 mg/m3 (skin); Not Classifiable as a Human Carcinogen.

RID/ADR certification :
3082
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Alternative Distributors of [Phosphoric acid tri-o-cresyl ester]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

ABCR GmbH & Co. KG | TCI Europe NV | Gihi Chemicals Co., Limited

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