sodium metabisulfite cas no 7681-57-4

                                                                                          sodium metabisulfite

                                                      English name: sodium metabisulfite
                                                                     Cas No.  7681-57-4

Appearance: White crystalline powder
Usage:  Sodium metabisulfite is an inorganic compound with a white or yellow crystal appearance and a strong pungent odor. I t is soluble in water, the aqueous solution is acidic, and contact with strong acids releases sulfur dioxide and generates the corresponding salts. In the air for a long time, it is oxidized into sodium sulfate, so sodium metabisulfite can not be kept too long.

Used in the production of insurance powder, sulfadimethylpyrimidine, anethine, caprolactam and so on. 

For the purification of chloroform,phenylpropanone and benzaldehyde. Used in the photographic industry as a fixing agent ingredient, The spice industry is used to produce vanillin;

Used as a preservative in brewing industry; Rubber coagulant and cotton bleaching dechlorination agent;

Organic intermediates;

Used for printing and dyeing, leather;

Used as a reducing agent; Used as electroplating industry, oilfield wastewater treatment and used as mineral processing agent in mines;

It is used as a preservative, bleach and loose agent in food processing.

Tianjin Shengtai Chemical Co., Ltd.

Suntechemical is a professional supplier of fine chemicals and one of northern China's largest suppliers. We have over 25 years of experience in the chemical field. The company has professional warehouses in Tianjin, Shanghai, Shandong, Nanjing, and other places, with a sufficient supply of goods. Now the United States, the European Union, Japan, Canada, and other countries have more than 100 customers to establish stable trade relations.

Our products are widely used in medicine, pesticides, food, oilfield and water treatment, daily chemicals and cosmetics, surfactants, inks, rubber, cement additives, coatings, polyurethanes, adhesives, solvents, additives, leather, textile, printing and dyeing, building materials, metal processing and other fine chemical-related industries.

1. The company has professional warehouses in Tianjin, Shanghai, Shandong, Nanjing, and other places, with a sufficient supply of goods. Stored in a dry and ventilated warehouse.

Q1: May I get some samples from your side?
Re: Yes, of course. We ’ d like to provide a 10-1000 g free sample to you, which depends on the product you need. For freight, your side needs to bear, but we will refund you after you place a bulk order.

Q2: What is your MOQ?
Re: Usually our MOQ is 1 kg, but sometimes it also is flexible and depends on the product.

Q3: What kinds of payment are available for you?
Re: We recommend you pay by T/T or L/C, and you can also choose to pay by PayPal, or MoneyGram if the value is less than USD 3000. Besides, sometimes we also accept Bitcoin.

Q4: How about lead time?
Re: For small quantities, the goods will be sent to you within 1-3 working days after payment. For larger quantities, the goods will be sent to you within 3-7 working days after payment.

Q5: How long I can get my goods after payment?
Re: For small quantities, we will deliver by courier(FedEx, TNT, DHL, etc) and it usually will take 3-7 days to your side. If you want to use a special line or air shipment, we can also provide and it will cost about 1-3 weeks. For large quantities, shipment by sea will be better. For transport time, it takes 3-40 days, which depends on your location.

Q6: What ’ s your after-sales service?
Re: We will inform you of the progress of the order, such as product preparation, declaration, transportation follow-up, customs clearance assistance, etc.