Diethylstilbestrol

Min.Order / FOB Price:Get Latest Price

1 Kilogram	Negotiable

1 Kilogram

Negotiable

Min.Order :1 Kilogram
Purity: 97.0%~101.0% (HPLC)
Payment Terms : L/C|D/A|D/P|T/T|Westem Union

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Quick Details

Appearance:A white or almost white,crystalline powder.practically insoluble in water,freely
Application:Supplementary estrogen deficiency symptoms
PackAge:25kg/drum
ProductionCapacity:|/
Storage:ool and dry
Transportation:by sea ,air or express

Superiority:

Appearance： A white or almost white,crystalline powder.practically insoluble in water,freely soluble in alcohol.It dissolves in …

Details:

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

4,4'-Dihydroxystilbene and related ethers：The absorbance of the solution measured at 325 nm is not greater than 0.50%.

Mono-and dimethyl ethers：

Mono ethers < 0.50%

Dimethyl ethers < 0.50%

Melting point ：It melts at about 172.0℃

Loss on drying ：≤0.5%

Sulphated ash ：≤0.05%

Assay ：97.0%~101.0% (HPLC)

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