Sodium Metabisulfite/Smbs CAS: 7681-57-4 Tech Grade

• CAS No.: 7681-57-4
• Formula: Na2s2o5
• EINECS: 231-673-0
• Certification: CIQ, ISO
• Purity: 97%
• Type: Sodium Metabisulfite
• Appearance: Powder
• Grade Standard: Industrial/Food Grade
• Transport Package: 25kg Bags
• Specification: Na2s2o5 97%
• Trademark: Union
• Origin: China
• HS Code: 283210000

Product Description

Specification: Sodium Metabisulfite

Tests	Specification
Appearance	White free-flowing Crystal Powder
Purity (Na2S2O5)	97% min
Iron (Fe)	0.003% min
Heavy Metal (Pb)	5 ppm max
Arsenic (As)	1 ppm max
Water Insoluble	0.05% max
PH Value	4.0-4.6

 

Packaging: 25 KGS/BAG

Storage: Store in a cool and dry place and Keep away from strong light and heat

Shelf life: 24 months

 

Application:

  1.Mordant of printing and dyeing;
 2.Dechlorinate of textile after bleaching;
 3.Sulphonated agent and reducer of chemical industry and pharmacy;
 4.Bleach of paper pulp, bamboo and timber bleach ofstapk; Treatment agent of waste water;
 5.Rubber solidifying agent
 6.Perfume industry is served as hydrocarbon perfume aldehyde
 7.The hide profession employ to do to molt dose and pliable dose and wearproof dose
 8.The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on,sewage treatment.