Ninhydrin/1,2,3-Indantrione hydrate/2,2-Dihydroxyinden-1,3-dione

English Name: ninhydrin; 1,2,3-Indantrione hydrate； 2,2-Dihydroxyinden-1,3-dione； 2,2-Dihydroxy-1H-indene-1,3(2H)-dione； Triketohydrindene hydrate； Trioxohydrindene monohydrate

Other names: benzopentrione; Ninhydrin hydrate; Benzopentatrione; Benzocyclopropanone; 2,2-dihydroxy-1h-indeno-1,3 (2H) - Dione; Triketone hydroindene hydrate; Ninghai group

CAS No.: 485-47-2

C9H6O4=178.14

Grade: ar

Content: ≥ 95.0%

Water dissolution test: qualified

Amino acid sensitivity test: qualified

Burning residue: ≤ 0.1%

Physicochemical Properties: white or light yellow crystal or crystalline powder. It can absorb moisture and agglomerate. Gradually change color when exposed to light or exposed to air. It turns red at 125 ℃, expands in volume at 139 ℃, and decomposes at 241 ℃. Soluble in water and ethanol, slightly soluble in ether and chloroform. The minimum lethal dose (rat, oral) is 250mg/kg. Irritating.

Purpose: biochemical research. Determine the free amino groups and carboxylic acids of proteins and peptides.

Save: RT, away from light