Specifications

Sodium Thiosulfate,Top Quality,Reasonable Price, Excellent After Sales service.The company is the biggest distributor for sodium

Commodity name :Sodium Thiosulfate 
1.Chemical formula:Na2S2O3·5H2O

2.Standard:Industrial Grade:HG/T 2328-2006,Q/CAKZ008-2012
HG/T 2328-2006  Product Specification:

item	idex
	Special	First
Na2S2O3·5H2O              %≥	99.0	98.0
Water-insoluble material %≤	0.01	0.03
Iron ( Fe)                   ≤	20ppm	30ppm
Sulfid ( Na2S)             ≤	10ppm	30ppm
PH (200g/L solution)	6.5-9.5	6.5-9.5

Q/CAKZ008-2012  Product Specification:

item	idex
	First	Normal
Na2S2O3·5H2O               % ≥	98.0	96.0
Water-insoluble material  %≤	0.03	—
Iron( Fe)                     ≤	30ppm	—
Sulfid( Na2S)               ≤	30ppm	—
PH (200g/L solution)	6.5-9.5	6.5-9.5

Physical appearance:White or slightly yellow crystal monoclinic crystal compound. 

4. Notice: Store it in aeration and shady place . Not put it together with strong acids, oxidants. Avoid the wrappage being perforated and prevent from water and moisture when conveyed.  
5. Aplication:  Dechlorination agent for bleached textiles. Bleaching agent for paper pulps. Bactericide and antiseptic in food industries. Disposal agent for waste water,etc.
6. Quality-keep time:12 months.

7.Company Profile

Rongda Chemical Co.,Ltd is an export-oriented enterprise specialized in producing and marketing zinc-based chemical material. Our head company is Zhuzhou Mingqi Chemical Co.,Ltd .which was established in 2007,famous by the great performance and reputation in domestic chemical market. Actually we are biggest distributor for sodium sulfite in China. Rongda was built mainly for our export sales.

Rongda is still young,but we will try the best to be your reliable source of chemicals from China