Description
Catalogue Number	821141
Synonyms	Phosphoric acid triethyl ester, TEP
Description	Triethyl phosphate

Product Information
CAS number	78-40-0
EC index number	015-013-00-7
EC number	201-114-5
Hill Formula	C₆H₁₅O₄P
Chemical formula	(C₂H₅O)₃PO
Molar Mass	182.16 g/mol
HS Code	2919 90 00
Structure formula Image

Applications
Application	Triethyl phosphate for synthesis. CAS 78-40-0, EC Number 201-114-5, chemical formula (C₂H₅O)₃PO.

Physicochemical Information
Boiling point	215 °C (1013 hPa)
Density	1.069 g/cm3 (20 °C)
Explosion limit	1.2 - 10 %(V)
Flash point	130 °C
Ignition temperature	480 °C
Melting Point	-57 °C
pH value	7 (H₂O, 20 °C)
Vapor pressure	0.1 hPa (20 °C)
Solubility	500 g/l (slow decomposition)

Toxicological Information
LD 50 oral	LD50 Rat 1165 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H302: Harmful if swallowed.
RTECS	TC7900000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly water endangering
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Hazard Symbols	Harmful
Categories of danger	harmful
R Phrase	R 22 Harmful if swallowed.
S Phrase	S 25 Avoid contact with eyes.

Storage and Shipping Information
Storage	Store below +30°C.

Specifications
Assay (GC, area%)	≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C)	1.068 - 1.069
Identity (IR)	passes test