Product Specifications
Prod Model: |
food grade, tech grade |
Certificate: |
CIQ, SGS, ISO |
Purity: |
90%~99% |
Appearance: |
White to Yellowish Crystals or Powder |
Effect: |
Antiseptic |
Resource: |
Inorganic Chemical Preservatives |
Type: |
Food Preservative |
Composition: |
Sodium Metabisulfite |
Product Description
Smbs/Sodium Metabisulphite/Sodium Metabisulfite CAS 7681-57-4
Description Item | Quality Index |
Food Grade | Industry Grade |
Purity ( As Na2S2O5) | 98.0% min | 96.0% min |
Sulfur Dioxide( SO2) | 65.0% min | 65.0% min |
Arsenic ( As ) | 0.0002% max | - |
Heavy metals ( As Pb ) | 0.0005% max | - |
Selenium (Se ) | 0.0005% max | - |
Iron (Fe) | 0.001% max | 0.002% max |
Water insoluble | 0.02% max | 0.05% max |
PH value : | 4.0-4.8 | 4.0-4.8 |

Introduction (1) Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).
(2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde.The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on .
(3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
(4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
Usage 1.Dye printing mordant.
2.Textile antichlor after being bleached.
3.Reducing agent and sulfonating agent for chemical and medical use
4.Bamboo, wood, paper fiber bleaching agent, non-ferrous metal ore dressing agent, waste water treating , rubber freezing agent.
COA Items | Specification | Results |
Appearance | White or off white powder | Complies |
Taste | characteristic | Complies |
Flash point | 283.364ºC | Complies |
Ash | ≤1.5% | 0.16% |
Identification | Positive | Positive |
Residue on ignition | ≤0.5% | 0.06% |
Heavy metal | ≤20ppm | 5ppm |
As | <2ppm | compiles |
Loss on drying | ≤0.5% | 0.16% |
Organic volatile impurities | Complies | Complies |
Total impurities | ≤1.5% | 0.5% |
Yeast & mold | <100/g | <10/g |
Total plate count | <500/g | 60/g |
Salmonella | Negative | Complies |
Assay | 97~103% | 99.35% |
Inspection:
Packaging Details:25kgs packaging plastic bag, 1-25kgs packaging aluminium bag outside and double plastic bag inside.
Delivery Detail: within 3 days when get the payment
Shipping :We have Professional shipping agent, based on customers ' demand for transport
By express :FEDEX,DHL,EMS ,UPS,TNT ect.
By SEA and By AIR
Certificate:
A.M Factory
A.M Food Chemical Co., Ltd, a professional food additive, feed additive and pharm intermediate
manufacturer in China. With many years experience and supported by the company's strong technical
know-how and dedicated R&D facilities. All of our products used for food and feed industry meet or
exceed international quality standards.

Customer visitings:
Contact information:Johnson LinA.M Food Chemical Co.,LtdOffice: Rm2011 B Zone, Medicine Valley,East of Jingshi Rd Jinan,China Plant adress: Jibei Industrial park,Jinan,Shandong ,ChinaTel: +86-0531-87100375 Fax: +86-0531-87105371 Mob: +86-18560111669 Web: www.amfoodchem.com
A. M Food Chemical Co., Limited is attached to Agriculture and Animal Husbandry Group, [Stock Code]: 831569, which is the first agricultural and animal husbandry enterprise listed on the New OTC(Over the Counter) Market in Shandong Province. The Group has eight subsidiaries, including four wholly-owned subsidiaries, four holding subsidiaries.
We are ecological food and feed additives company integrating R & D, production, promotion and application.
In order to promote the safety of food hygiene effectively and ensure food quality and stability, our solutions have targeted solved short storage time and mildew easily of processed food, such as bread, meat, beverages, dairy products and other goods.
In feed field, our solutions can improve the animal intestinal micro ecological balance, recombine acidification, attract feeding, promote growth, etc.
At present, we have cooperated with more than 30 powerful technical knowledge departments and professional R & D institutions. And we can modify different products according to customers' requirements. In order to achieve better application effect, we can also provide excellent formulations.
Our products have been safely sold to more than 60 countries and regions worldwide.
And we sincerely invite your support and cooperation to promote Chinese food and feed additives industry developing towards organic, green, healthy, safe and sustainable direction.