CAS 7775-14-6 Textile Dyeing Auxiliaries , Na2S2O4 Sodium Hydrosulfite Powd

Product Description

CAS 7775-14-6 Sodium Hydrosulfite Na2S2O4 Textile Dyeing Auxiliaries Agrochemical
Intermediates



Basic Information



Model Number : HM03002
Other Names : SHS ; Sodium dithionite ; Sodium hypodisulfite
Molecular Formula : Na2S2O4
Molecular Weight : 174.11
CAS NO. : 7775-14-6
EINECS NO. : 231-890-0
UN NO. : 1384
H.S. CODE NO. : 2831.1010
Standard : HG/T2520-93
Purity : 74%min., 85% min., 88% min. & 90% min.





Product Parameters



Item
Standard
Acutal Data
Sodium Hydrosulphite
88% min.
88.5%
Water Insoluble
0.1% max.
0.001%
Sodium Thiosulfate:Na2S2O3
1.3% max.
0.7%
Sodium Metabisulfite:Na2S2O5
5-7%
6.2%
Sodium Bisulfite:NaHSO3
0.5% max.
0.24%
Sodium Carbonate:Na2CO3
0.6-2%
1.6%
Sodium Formate:HCOONa
0.5% max.
0.2%
Zn
0.0001% max.
0.00003%
Fe
0.002% max.
0.001%

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