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Diethylstilbestrol

Name:Phenol,4,4'-(1,2-diethyl-1,2-ethenediyl)bis-

CAS No.:6898-97-1

Molecular Structure:

Molecular Structure of 6898-97-1 (Phenol,4,4'-(1,2-diethyl-1,2-ethenediyl)bis-)

Formula:C18H20O2

Molecular Weight:268.35

Synonyms:4,4'-Stilbenediol,α,α'-diethyl- (8CI);3,4-Bis(4'-hydroxyphenyl)-3-hexene;3-Hexene, 3,4-bis(4-hydroxyphenyl)-;

           4,4'-(3-Hexen-3,4-ylene)diphenol;4,4'-Dihydroxy-α,β-diethylstilbene;

EINECS:200-278-5

Density:1.108 g/cm3

Melting Point:170-172 °C(lit.)

Boiling Point:407.102 °C at 760 mmHg

Flash Point:186.946 °C

Hazard Symbols:ToxicT,DangerousN

Risk Codes:45-61-36/37/38-51/53

Safety:53-36/37/39-45-60-61

Transport Information:UN 3077 9/PG 3

Appearance：

A white or almost white,crystalline powder.practically

insoluble in water,freely soluble in alcohol.It dissolves

in solutions of alkali hydroxides.

Identification：

A: Examined between 230 nm and 450 nm,the irradiated solution of the substance to be examined prepareds prescribed in the assay shows two absorption maxima,at 292 nm and 418nm. 

B:Infrared absorption spectrophotometry.

C:Examine the chromatograms obtained in the test for

mono-and dimethyl ethers.

D: A deep-yellow colour develops.

PH： Neutral reaction Neutral reaction