90% Sodium Hydrosulfite Common Food Additives CAS 7775-14-6

• CAS No.: 7775-14-6
• Formula: Na2s2o4
• EINECS: 231-890-0
• Certification: CCIC
• Purity: ≥99%
• Type: Barium Sulfate
• Model NO.: 7775-14-6
• Appearance: Powder
• Grade Standard: Industrial Grade
• Melting Point: 300 ºC
• Boiling Point: 1390 ºC
• Density: 2.189 G/Cm³
• External View: White Crystalline Powder
• Transport Package: 25 Kg/Bag
• Specification: 25 kg/bag.
• Trademark: baoqu
• Origin: China
• HS Code: 2831101000
• Production Capacity: 50, 000 Tons/Year

Product Description

Product Description

CAS NO.	7775-14-6/ 7631-94-9	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%

Detailed Photos

 

Packaging & Shipping

FAQ

1, Q: Can you supply samples for testing?
A: Yes, Our samples are free for your testing,
However, you need to afford the delivery fee (DHL/TNT/EMS)
The delivery fee will be deducted from the future bulk order.
2, Q: What documents you provide for every shipment?
A: Usually, Commercial invoice, Packing list, Bill of lading, COA, Certificate of origin,
MSDS are promised. Other documents you need for import,
please feel free to contact us.
3,Q: How can i get the price for this product?
A: Please give us the exact quantity,packing,destination port and
other necessary information,we will give you quotation according
to your specific requirments.
4,Q: How about delivery lead time?
A: Delivery lead time: About 7-10 days after payment confirmed.(Chinese holiday not included).
5,Q:How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T,Western Union or Paypal or secure payment. 
 

Company Members

 

It is widely used in the textile industry for reducing dyeing, reduction cleaning, printing and decolorization, and for bleaching silk, wool, nylon and other fabrics [3], because it does not contain heavy metals, the color of the fabric after bleaching is very bright and not easy to fade. In a variety of substances, it can also be used for food bleaching, such as gelatin, sucrose, preserves, and soap, animal (plant) oil, bamboo, China clay bleaching. It can also be used in organic synthesis, such as dyes, pharmaceutical production as a reducing agent or bleach, sodium disulfite is the most suitable for wood pulp paper bleaching agent.