CAS Search
Related Chemical Product
Chemical Product CAS:7681-57-4Sodium metabisulfite

Sodium metabisulfite

  • CAS No:

  • Name:

    Sodium metabisulfite
  • Molecular Formula:

  • Molecular Weight:

Buy Chemical NO: 7681-57-4
  • Urgent Purchase CAS NO.:7681-57-4
  • Please post your buying leads! Our suppliers will contact you later!
  • For suppliers to better understand your request, enter more info here.

* Product Name:
CAS No.:
* Quantity:
 Metric Ton     Kilogram    Gram    Pound
* Valid For:
 5 Days    15    1 Month    3 Month    6 Month    1 Year
* Description:

Max 2000 characters.  Please enter detailed description for the product.
* Email:

Sodium metabisulfite ( CASNO:7681-57-4 )

Identification and Related Records
Sodium metabisulfite
CAS Registry number:
Disodium disulfite
Disodium metabisulfite
Disodium pyrosulfite
Natrium metabisulfurosum
Sodium disulfite
Sodium pyrosulfite
Molecular Formula:
Molecular Weight:
Canonical SMILES:
Chemical and Physical Properties
white crystalline powder
Melting Point:
Flash Point:
540 g/L (20℃)
540 g/L (20 oC)
Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive.
Storage temp:
Store at RT.
Computed Properties:
Molecular Weight:190.10654 [g/mol]
Molecular Formula:Na2O5S2
H-Bond Donor:0
H-Bond Acceptor:7
Rotatable Bond Count:0
Exact Mass:189.898254
MonoIsotopic Mass:189.898254
Topological Polar Surface Area:128
Heavy Atom Count:9
Formal Charge:0
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:3
Safety and Handling
Hazard Codes:
Risk Statements:
Safety Statements:
Hazard Codes:?HarmfulXn,?IrritantXi
Risk Statements: 22-31-41-36/37/38?
R22:Harmful if swallowed.?
R31 :Contact with acids liberates toxic gas.?
R41:Risk of serious damage to the eyes.?
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-39-46-36?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S39:Wear eye / face protection.?
S46:If swallowed, seek medical advice immediately and show this container or label.?
S36:Wear suitable protective clothing.
RIDADR: 3260
WGK Germany: 1
RTECS: UX8225000
PackingGroup: III
UN 2693
?Sodium Metabisulphite (CAS NO.7681-57-4) is also named as AI3-51684 ; CCRIS 3951 ; Campden Tablets ; Disodium disulfite ; Disodium metabisulfite ; Disodium pyrosulfite ; Disulfurous acid, disodium salt ;?Fertisilo ; HSDB 378 ; Natrii disulfis ; Natrium metabisulfurosum ; Natrium pyrosulfit ; Natriumbisulfit ; Natriummetabisulfit ; Pyrosulfurous acid, disodium salt ; Sodium bisulfite anhydrous ; Sodium disulfite ; Sodium metabisulfite ; Sodium metabisulfite (Na2-S2O5) ; Sodium pyrosulfite ; Sodium pyrosulfite (Na2S2O5)?.?Sodium Metabisulphite (CAS NO.7681-57-4) is white crystalline powder with a sulfur smell. It is soluble in water and?glycerine, slightly soluble in ethanol.
Chemical Company
Shanghai ODEA Biotech Co.,Lt:
wuhan shengtong jinde chemical co.,ltd:
WUHAN SHENGTONGJINDE CHEMICAL CO.,Ltd, Founded in 2008, is really a professional company integrating production, research, sales, management and service in general. It evolves the domestic and move, sino-foreign partnership, cooperative production, entrepot trade and other different designs of economic. 
Shaanxi Yuwangtang Biology Technology Development Co.,Ltd:
Welcome to Shaanxi Yuwangtang We are Shaanxi Yuwangtang Biology Technology Development Co.,Ltd,Website:, dedicated to research, development, manufacturing and sales of high quality natural herb extract, which are widely used in pharmaceutical, nutraceutical, cosmetic, food and other fields. We has the professional standardized production line, used for Extraction, separation and synthesis, fermentation, freeze-dried, dry, packaging of natural herb extract. During the whole entire production process from the beginning of each raw material, we are in strict carry out GMP and ISO9001: 2000 quality management system. Meanwhile, we owning complete experimental facilities and advanced testing instruments, and cooperate with the thrid party, ensure the stability of 
Normal 0 false false false EN-US X-NONE FA   We wish to take this chance introducing Nikan Farayand Company like a effective manufacturer and supplier of Chemical Material in Iran, that was established around 2002. The primary items in our company are:   Normal 0 false false f 
Lin’an Dayang Welding Material Co BB:
Lin’an Dayang Welding Material Co.,Ltd.,Website:,located in the western part of Hangzhou,was established at the beginning of this century.It possesses a production line of oil pressure unit,which can produce 5000 ton stainless steel welding electrodes. The company owns rich technical resoures to design, research and mainly produce special type of electrodes with complete models. 
Qingdao Hongfu Import and Export Co.,Ltd:
Qingdao Hongfu Import & Export Co., Ltd. started in 2001,lies in Qingdao City, Shandong Province. It's near to Tianjin Xingang Port and The transportation is very convenient. We are an export-oriented enterprise that also has manufacturing and marketing teams. Having a great status in China within the chemicals industry and greater than ten years experience of manufacturing and Marketing, we are your most dependable top quality supplier. Our organization also offers our very own industrial facilities which focus on manufacturing many different types of chemical items for example Glacial acetic acidity, Iron Oxide,carbon black, titanium dioxide, zinc, carbon black, Paraffin Wax, Rosin, turpentine, chrome oxide eco-friendly, Stearic Acidity and so on and We have passed the ISO9001:2000 cert 
Shijiazhuang Yantian Technology Co., Ltd.Founded in December, 2005, like a professional chemical manufacturer and exporter, may be the leader supplier of inorganic and organic chemicals for paint and coating industrial. 
Beijing JinYuanYongTai Chemical Industry Co.,Ltd:
PP,PE,HDPE,ldpe,PVC resin,PET ,titanium dioxide ,caustic soda ,soda ash,Iron Oxide,zinc oxidemagnesium sulphate, cooper scrap,Copper Cathode,zinc ingot ,aluminum ingot .A4 copy paper 
No. 3 Haicheng Chemical Factory:
SUNBELT Worldwide Buying and selling Co.,Ltd started this year and Situated in Shanghai,China.Like a new company we possess innovative thinking ability and advanced management techniques. At the same time frame, we are an excellent group of gifted and creative people. Our staff ,with full experience with chemical production management, can offer our client with professional service.We are. Focusing being produced of liquid chemical series posting and conveying business. We've built good relationship with Korean and Janpanese purchasers. In simultaneously. We're developing trade cooperation with European and United States nations. In china domestic market, we've lengthy-term contract and sole agent with domestic chemical manufactories .We follow the belief that professional-quality and  
Dalian Dingyi Chemical Co.,Ltd.:
Dalian Dingyi Chemical Co.,Ltd. is among the leading companies within the development and manufacture of chemical recycleables in China.: The organization sets work, Merchant, trade into a natural whole, the primary purpose of the corporation would be to produce top quality and Lengthy lasting items, which we are equipped for use within every need.: To be able to satisfy questions our worldwide clients might have, Dalian Yili Chemicals presently utilizes over 30 individuals the organization who operate in different departments. Getting an expert sales department which masters move and also getting the spirit of innovation, our organization relation to its "predict the client's need" to satisfy their requirements over time and high-effectively.: We consistent with good online marketing s 
zib TaiBeilier.Al,mg.Co,Ltd. 31999:
Xi'an Guanyu Biotech Co., Ltd:
shijiazhuang xintailongjiang chemical import and export
Jiashan Dick Precision Mechinery Co., Ltd:
DICK was established in 2010,Website:, and it is a professional self-lubrication bearing company special on design, manufacture and sales. DICK start business with self-lubricating series, and it developed as our advanced product. Over the past few years, DICK is committed to product development and expansion. Composite bearing and sliding bearing are become our main products which win clients trust and orders. In addition, our sales market has been expanded from the beginning of the domestic market to the current international market. After several years of development and expansion, our market has been extended to Asia, the Americas and Europe. DICK’s business philosophy is win your trust with our high quality and gain your orders by our service. DICK has per 
U.S. Polymers, Inc.:
Hengnan Shenglong Chemical Co., Ltd:
 Hengnan Shenglong Chemical Co., Ltd. began on September 8,1999,situated in Hengyang high and new development zone of Hunan.The organization gets near to Xiangjiang River,Beijing-Zhuhai and Hengyang-Kunming Expressway,beijing/guangzhou and Hunan and Guangxi Railway with convenient transportation.The primary items are Barium carbonate,those who are,thiourea,thiourea dioxide and Manganese Sulfate.We hold "good belief first,quality first ,customer supreme,cost superior" as objective for several years and are dedicated to development with cutomers,creating magnificent achievement. 
DUKE POWER LIMITED??is a group?machine company,Website:, The group company have three factorys, One is the professional laser cuttiing,sheet metal fabrication factory, Mainly produce log splitter,bukets and laser cutting products..etc.,Second factory is the casting factory, Mainly produce casting products, The Third factory is the metal spinning factory. Our factory have modern TRUMPF laser cutting machines, CNC bending machines, CNC shearing machines, punch presses, welding machines..etc with new static powder coating line. We have professional engineers and technicians which engaged in new products research and development,,We have passed ISO 9002 international quality system certification and? CE,CCC,SGS…etc. Depending on superior quality and best prices, ou