Sodium Hydrosulphite

Categories	Fine chemicals & Intermediates
Brand	TNN Chemical Raw Materials Manufacturer
Model	TNN
Purity(wt%)	85min
Na2CO3(wt%)	3-4
Na2S2O3(wt%)	1-2
Na2S2O5(wt%)	5.5 -7.5
Na2SO3(wt%)	1.47
Fe(ppm)	20max
Water lnsoluble	0.05
Package	15/25/50/100/200/900kg drum
Type	85% Tec/Food grade;88% Tec/Food;90%Tec/Food
FOB port	any port of China
Terms of Payment	L/C, Western Union, MoneyGram, T/T
Update Time	Nov 23,2024

Detail Information

Basic information

SODIUM HYDROSULFITE

Appearance: White crystal powder
MF: Na2S2O4
Purity: 74%min,85%min,88%min,90%min
CAS No.: 7775-14-6
EINECS: 231-890-0

Specifications

ITEM	UNIT	STANDARD	STANDARD	STANDARD	STANDARD
Sodium Hydrosulphite:Na2S2O4	%	74 min	85 min	88 min	90 min
Water insoluble	%	0.1 max	0.05 max	0.05 max	0.05 max
Sodium thiosulfate: Na2S2O3	%	1.20 max	1.20 max	1.0 max	0.8 max
Sodium metabisulfite: Na2S2O5	%	5-7	5-7	5-7	5-7
Sodium bisulfite:Na2SO3	%	0.5 max	0.5 max	0.4 max	0.3 max
Sodium carbonate: Na2CO3	%	0.6-7 max	0.6-7 max	0.6-7 max	0.6-7 max
Zinc(Zn)	%	1ppm max	1ppm max	1ppm max	1ppm max
Other heavy metal (calculated as Pb)	%	1ppm max	1ppm max	1ppm max	1ppm max
Fe	%	20ppm max	20ppm max	20ppm max	20ppm max

General Uses

Packing

Packing of sodium hydrosulfite:

15kg drum, 1FCL= 18.87MT
25KG drum, 1FCL= 18.45MT
50KG drum, 1FCL=21.6MT
100KG drum, 1FCL= 19MT
200KG drum, 1FCL= 16MT
900KG drum, 1FCL=18MT