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Hebei yanxi chemical co.,LTD.Sodium metabisulfite//www.lookchem.com/300w\2010-12\4fe79811-9f56-4a53-bd3f-3f25ba6f7dc6.png
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Sodium metabisulfite CAS NO.7681-57-4

Min.Order Quantity:
1 Metric Ton
Purity:
99%
Port:
Tianjin
Payment Terms:
L/C,T/T

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Product Details

Keywords

  • Sodium metabisulfite
  • disodiummetabi sulfite
  • Sodium dissulfite

Quick Details

  • ProName: Sodium metabisulfite
  • CasNo: 7681-57-4
  • Molecular Formula: 2Na.O5S2
  • Appearance: White or light yellow crystalline powd...
  • Application: material of medicine, curing agent of ...
  • DeliveryTime: within 10 days
  • PackAge: 25KG PP BAG
  • Port: Tianjin
  • ProductionCapacity: 10 Metric Ton/Month
  • Purity: 99%
  • LimitNum: 1 Metric Ton

Superiority

specifications

industrial grade

food grade

na2s2o5%≥

96.0

68.0

so2%≥

64.0

64.0

iron(fe)%≤

0.005

0.005

water insolubles%≤

0.05

0.05

ph

4.0-4.6

4.0-4.6

arsenic(as)%≤

0.01

0.002

heavy metals, as pb %≤

0.0002

Details

(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.

storage: store the product in a dry and cool place.

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