AMMONIUM THIOSULPHATE

 

AMMONIUM THIOSULPHATE

 

 

SYNONYM: ammo hypo; ammonium hyposulfite; ammonium thiosulfate; diammonium thiosulfate; Thiosulfuric acid, diammonium salt; Thiosulfuric acid (H2S2O3), diammonium salt

   

FORMULA: H8N2O3S2

 

M. W. : 148.1948

 

CAS NO.: 7783-18-8

 

GRADE: TECH. GRADE

 

DESCRIPTION: Colorless transparent liquid. Relative density of crystal: 1.679, easily soluble in water, insoluble in alcohol, ether, slightly soluble in acetone.

 

SPECIFICATIONS:

(NH4)2S2O3

56-60%

sulfite

≤0.6%

Basicity

0.3-1.5%

Heavy metals

≤0ppm

Fe

≤10ppm

Residue on ignition

≤0.1%

SG

1.310-1.335

APPEARANCE

Colorless transparent liquid

 

USES: Used as fixer for taking photos, key component of silvering electrobath, shielding effect agent, bactericide and analytical reagent.

 

PACKING:   250KG OR 270KG PER PLASTIC DRUM, 20MTS OR 21.6MTS(80DRUMS)/20’FCL.

 

H.S. NO.: 2832.3000