| CAS No.: | 7681-57-4 |
|---|---|
| Formula: | Na2s2o5 |
| EINECS: | 231-673-0 |
| Certification: | CCIC, CIQ, RoHS, ISO, Halal |
| Purity: | 90%~99% |
| Type: | Sodium Metabisulfite |
| Samples: |
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| Customization: |
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Audited Supplier Property: white or light yellow crystal powder.
Molecular Formula :Na2S2O5
Molecule Weight :190.12
CAS NO .:7681-57-4
Appearance :White Free Flowing Fine Crystal or Powder
| PRODUCT | SODIUM METABISULFITE FOOD GRADE | |
| ITEM | SPECIFICATION | TEST RESULT |
| Na2S2O5(calculated by dry base) % | ≥96.5 | 97.28 |
| Fe(calculated by dry base) % | ≤0.003 | 0.002 |
| Water insoluble matter(calculated by dry base) % | ≤0.05 | 0.03 |
| Have metal(calculated by dry base) % | ≤0.0005 |
0.0004 |
| ARSENIC(calculated by dry base) % | ≤0.0001 |
0.0001 |
| PH(5% water soluble) | 4.6 | |
Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.
Application:
(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.
FAQ
1. Q: Are you manufacturer or trading company?
A: We are manufacturer
2. Q: What would you do to guarantee the product quality?
A: We have professional quality control team with strict quality control system and rigorous QHSE.We give supervision on container loading and delivery to ensure the clearness and neatness of package.
3. Q: What about your price?
A: We always supply the products with appropriate price,because we believe this is an effective way to build long - term business with our customers and earn good reputation.
4. Q: What payment terms do you accept?
A: For new customers, we accept 30% T/T in advance,70% balance against copy of shipping docs,L/C at sight; For old customers, the payment terms can be negotiated accordingly.
5. Q: What about the order lead time?
A: Usually the order lead time is 10-15days after receiving your prepayment.
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Audited Supplier 
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