China Factory Low Price Na2s2o4 CAS 7775-14-6 Sodium Hydrosulfite 85% 88% 90%

• CAS No.: 7775-14-6
• Formula: Na2s2o4
• EINECS: 231-890-0
• Appearance: Powder
• Classification: Sodium Hydrosulfite
• Certification: CCIC, CIQ, ISO
• Model NO.: zhd0001-10
• Purity: 85% 88% 90%
• Type: Sodium Hydrosulfite
• Grade Standard: Industrial Grade
• Un No.: 1384
• Applications: Textile/Metallurgica/Medicine-Making/Papermaking
• Other Name: Sodium Dithionite
• Port of Loading: Shanghai, Qingdao, Ningbo
• Transport Package: Iron Drum
• Specification: 50kg/Drum
• Trademark: ZHD or Customable
• Origin: China
• HS Code: 2831101000
• Production Capacity: 15000ton/Per Year

Product Description

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Product Parameters

CAS NO.	7775-14-6	HS.CODE	28311010
EINECS NO.	231-890-0	HAZARD CLASS	4.2
UN NO.	1384	Storage Condition	Store at +5°C to +30°C
APPEARANCE	White to Gray-White crystalline powder
Odor	Odorless or a slight odor of SO2 gas
Solubility	Easily Soluble in Water, Insoluble in Ethanol

 

Grade of Quality	Superior G.	First G.	Qualified G.
Percentage of Sodium Hydrosulfite(Na2S2O4 ) Content	≥90%	≥88%	≥85%
Water Insoluble	≤0.1%	≤0.1%	≤0.3%
Sodium Thiosulfate(Na2S2O3)	≤1.0%	≤1.3%	≤1.5%
Sodium Metabisulfite(Na2S2O5)	5-7%	5-7%	5-7%
Sodium Bisulfite(NaHSO3)	≤0.5%	≤0.5%	≤0.5%
Sodium Carbonate(Na2CO3)	0.6-2%	0.6-2%	0.6-2%
Sodium Formate(HCOONa)	≤0.5%	≤0.5%	≤0.8%
Zn	≤0.0001%	≤0.0001%	≤0.0001%
Pb	≤0.0001%	≤0.0001%	≤0.0001%
Fe	≤0.005%	≤0.005%	≤0.005%

Packaging

Outer Package: Iron Drum

Inner Package: 2-layer PE bag

Net Weight Per Drum: 50kgs, 22.5tons/20'FCL without pallets

Port: Qingdao, Shanghai, Ningbo
 

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