Na2s2o4 Hypo CAS 7775/14/6 90% in Low Price

• CAS No.: 7775-14- 6
• Formula: Na2o4s2
• EINECS: 231-890-0
• Type: Pharmaceutical Intermediates
• Appearance: Powder
• Quality: Refined
• Model NO.: shengbang
• Colour: White
• Purity: >99%
• Suitable for: Elderly, Children, Adult
• Density: 2.13
• Boiling Point: 1390°c
• Melting Point: 300 °c
• Molecular Formula: Na2o4s2
• Molecular Weight: 174.107
• Exact Mass: 173.903336
• Psa: 118.68000
• Logp: 0.39100
• Storage Condition: Store at Rt.
• Water Solubility: 250 G/L (20 ºC)
• Stability: Stable, But Air Sensitive
• Transport Package: Capacity 25kg/Drum
• Specification: Carton loading
• Trademark: SHENGBANG
• Origin: China
• HS Code: 2831101000
• Production Capacity: 2000 Ton/Year

Product Description

Product Description

 

Product Name	Sodium  dithionite
Appearance	White sandy crystals or light yellow powder.
Molecular formula	Na2O4S2
Molecular Weight	174.107
Keywords	Na2O4S2
Shelf Life	seal
Storage	Keep in a cool, dry, dark location

 

 

Application

Mainly used as reducing agent for printing and dyeing, bleaching agent for pulp, hemp, oil, etc., and used for pharmaceuticals, analytical reagents, etc. Used as oxygen absorber in analysis, as dye intermediate and bleaching agent; Used as dyeing auxiliary for cotton fabric and bleaching agent for cotton wool fabric. It is also used in medicine, mineral processing, copper plate printing, synthesis of thio urea and other sulfides. Paper industry is also used as bleaching agent, and food-grade LV is used as bleaching agent, preservative and antioxidant. It is a strong reducing agent, which can reduce many metal salts into metals, and analyze the desulfurization solution of nitrogen fertilizer, ammo nia water and ammonium bicarbonate. Widely used in printing and dyeing industry, such as dyeing AIDS for cotton fabrics and bleaching of silk and wool fabrics. It is also used in medicine, mineral processing, offset printing, synthesis of thi ourea and other sulfides, and bleaching of paper and sugar.

 

What is Sodium dit hionite?
    Sodium h ydrosulfite, also known as sodium  hydrosulfite, is a white sand-like crystalline or yellowish powder chemical product, with melting point of 300ºC (decomposition) and ignition temperature of 250ºC. It is insoluble in ethanol and soluble in sodium  hydroxide solution, and will react strongly with water and burn. The relative density is 2.3-2.4, and it decomposes in red heat.

 

 

Detailed Photos

 

 

Packing and delivering

Certification

FAQ

Q1: Are you a manufacturer or trading company?
Re: We are one company integrated industry and trade. No matter the products we manufacture or trade, high quality products and competitive price always will be provided for you.

Q2: May I get one sample before placing order?
Re: Yes, we'd like to provide sample for you. free samples(max 1Kg) are available, but freight cost will be born by customers.

Q3: Which payment is available for your company?
Re: In order to prompt our cooperation, there are some payment methods for your choice. T/T(USD), Western union, Paypal, Credit card, Alipay or Alibaba trade insurance all is ok. You can choose the one which is convenient for you.

Q4: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, T/T, EMS, etc.) or by air. Usually it will cost 2-5 days that you can get the goods after delivery.
For large quantity products, shipment is better. It will cost days to weeks to come to your destination port, which depends on where the port is.

Q5: Is there any possible to use my appointed label or package?
Re: Sure. If needed, we'd like to use label or package according to your requirement.

Q6: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are high qualified. If the goods can't come to the quality we promise, you can ask for refund.