TRIETHYL PHOSPHATE

PRODUCT IDENTIFICATION
CAS NO

78-40-0

TRIETHYL PHOSPHATE

EINECS 201-114-5
FORMULA (CH3CH2O)3P(O)
MOL WT.

182.16

H.S. CODE

  2919.00

TOXICITY

 Oral, rat: LD50 = 1600mg/kg
SYNONYMS Phosphoric acid triethyl ester;
TEP, Ethyl phosphate, Triethylfosfat, Tris(ethyl) phosphate; Triethylphosphat (German); Fosfato de trietilo (Spanish); Phosphate de triéthyle (French);
SMILES Phosphorus oxychloride, Phosphoryl chloride(10025-87-3)

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE Clear, colorless liquid. Ester-like odor
MELTING POINT -56.4 C
BOILING POINT 215 C
SPECIFIC GRAVITY 1.07
SOLUBILITY IN WATER Completely ( soluble in most other organic solvents)
pH  
VAPOR DENSITY 6.3
NFPA RATINGS Health: 1; Flammability: 1; Reactivity: 1

AUTOIGNITION

480 C

REFRACTIVE INDEX

 

FLASH POINT 130 C
STABILITY Stable under ordinary conditions.

APPLICATIONS
Triethyl Phosphate is an ethylating agent for nitrogen heterocyclic compounds. TEP is used as a solvent for synthesis of organicc chemicals especially acetic anhydride. It is used as a raw material to manufacture Tetraethyl Pyrophosphate(TEPP). TEP is used as a flame retarding plasticizer or additive for cellulose, polyester and polyurethane. It is used as an intermediate in manufacturing of phosphonate esters and vinyl phosphates.

Phosphoric acid alkyl esters are also used as alkylation agent for nitrogen heterocyclic compounds and as catalysts to produce phenolic and urea resins. They are used flame retarding plasticizers for cellulose esters, lacquers, plastic and vinyl resins as well as as dispersing agents in plastisols. They are used as solvents in liquid-liquid extractants or separation agent of metals. They are is used as heat exchange media and as pigment grinding assistants and antifoam agents.

SALES SPECIFICATION

APPEARANCE

 Clear, colorless liquid.
ASSAY 99.0% min

MOISTURE

0.2% max

ACID VALUE

0.05 max (mg KOH/g)

CHLORIDE

5ppm max

REFRACTIVE INDEX

 1.405---1.407

COLOR (Pt-Co)

10 max

TRANSPORTATION
PACKING 200Kgs in Drum
HAZARD CLASS listed on the TSCA inventory
UN NO.  
OTHER INFORMATION
European Hazard Symbols: XN, Risk Phrases: 22, Safety Phrases: 25
GENERAL DESCRIPTION OF FLAME RETARDANT AGENT
Flame Retardant are substances that can be chemically inserted into the polymer molecule or be phisically blended in polymers after polymerization to suppress, reduce, delay or modify the propagation of a flame through a plastic materials. There are several classes of flame retardants; Halogenated Hydrocarbons (Chlorine and Bromine containing compounds and reactive flame retardants), Inorganic flame retardants ( Boron compounds, Antimony oxides, Aluminium Hydroxide, molybdenum compounds, zinc and magnesium oxides ), Phosphorous containing compounds (Organic phosphate esters, phosphates, halogenated phosphorus compounds and inorganic phosphorus containing salts).

Class of Flame Retardants

  • Inorganic
    • Metal hydroxides
      • Aluminium hydroxide
      • Magnesium hydroxide
      • Orthers
    • Antimony compounds
      • Antimony trioxide
      • antimony pentoxide
      • Sodium antimonate
      • Others
    • Boron compounds
      • Boric acid
      • Borax
      • Zinc borate
      • Others
    • Other metal compounds
      • Molybdenum compounds
      • Titanium compounds
      • Zirconium compounds
      • Zinc compounds
        • Zinc stannate
        • Zinc hydroxy-stannate
        • Others
      • Others
    • Phosphorus compounds
      • Red phosphorus
      • Ammonium polyphosphate
      • Others
    • Other inorganic flame retardants
      • ammonium sulfamate
      • ammonium bromide
      • Others
  • Halogenated organic
    • Brominated
      • Tetrabromobisphenol A
      • Decabromodiphenyl ether
      • Octabromobiphenyl ether
      • Tetrabromobiphenyl ether
      • Hexabromocyclododecane
      • Tribromophenol
      • Bis(tribromophenoxy) ethane
      • Tetrabromobisphenol A polycarbonate oligomers
      • Tetrabromobisphenol A epoxy oligomers
      • Others
    • Chlorinated
      • Chlorinated paraffins
      • Bis(hexachlorocyclopentadieno)cyclo-octane
      • Others
  • Organophosphoros
    • Non-halogenated compounds
      • phosphate esters
        • Ttrialkyl phosphates
        • Triaryl phosphates
        • Aryl-alkyl phosphates
        • Others
      • polyols
      • phosphonium derivatives
      • phosphonates
      • Others
    • Halogenated phosphates
      • Tris(1-chloro- 2-propyl) phosphate
      • Tris(2-chloroethyl) phosphate
      • Tris(2,3-dibromopropyl)phosphate
      • Others
  • Nitrogen-based
    • Polyurethanes
    • Polyamides
    • Melamine and its salts
    • Guanidine compounds
    • Others