Alizarin yellow GG NEW

Synonyms

C.I. 14025; Alizarin Yellow GG; 5-(3-Nitrophenylazo)salicylic acid sodium salt

CAS Registry Number

584-42-9

Molecular Formula

C13H8N3NaO5

Molecular Weight

309.21

EINECS

209-536-1

Appearance

Yellow powder

Level

IND

Test

PH range: 10.0 (light yellow) ~ 12.0 (brown yellow)
Ethanol dissolution test: qualified
Burning residue: ≤ 26.3%

Property

It is soluble in hot water, ethanol, aqueous solution and ethanol solution. It is golden yellow and slightly soluble in cold
water, propanol and ethylene glycol ether. In case of concentrated sulfuric acid, it will be red yellow, dilute to produce green
yellow precipitate, and in case of concentrated nitric acid, it will be yellow amber solution

Application

Biochemical research. Chromatographic analysis reagent. With medium. Sperm staining. Acid base indicator, also used as biological
staining agent. Usually 0.1g is dissolved in 100ml 50% ethanol