2Na.O5S2 CAS:7681-5...

2Na.O5S2 CAS:7681-57-4 Sodium metabisulfite Food grade powder
2Na.O5S2 CAS:7681-57-4 Sodium metabisulfite Food grade powder
2Na.O5S2 CAS:7681-57-4 Sodium metabisulfite Food grade powder
2Na.O5S2 CAS:7681-57-4 Sodium metabisulfite Food grade powder

2Na.O5S2 CAS:7681-57-4 Sodium metabisulfite Food grade powder

Min.Order / FOB Price:Get Latest Price

25 Metric Ton

Negotiable

  • Min.Order :25 Metric Ton
  • Purity: 95%
  • Payment Terms : L/C,D/A,D/P,T/T

Keywords

CAS:7681-57-4 Sodium metabisulfite Food grade powder 2Na.O5S2 CAS:7681-57-4 disodiummetabisulfite;disodiumpyrosulphite;fertisilo;metabisulfitedesodium;Sodiummetabisufite;sodiummetabisulfite(na2-s2o5);sodiumpyrosulfite(na2s2o5);Sodium dissulfite 2Na.O5S2 CAS:7681-57-4 factory price high pure 95%

Quick Details

  • Appearance:white solid
  • Application:Application of sodium metabisulphite: Food grade: Bleaching agent (e.g.candies, cake, bamboo shoots, etc); Loosening agent (e.g.bread, cracker etc); Antiseptic and germicide (e.g.fruit juice, tinn
  • PackAge:plastic woven bag
  • ProductionCapacity:50|Metric Ton|Day
  • Storage:under the cool and dry area
  • Transportation:by sea or by express

Superiority:

Sodium metabisulfite Basic information
Product Name: Sodium metabisulfite
Synonyms: disodiummetabisulfite;disodiumpyrosulphite;fertisilo;metabisulfitedesodium;Sodiummetabisufite;sodiummetabisulfite(na2-s2o5);sodiumpyrosulfite(na2s2o5);Sodium dissulfite
CAS: 7681-57-4
MF: 2Na.O5S2
MW: 190.11
EINECS: 231-673-0
Product Categories: INORGANIC & ORGANIC CHEMICALS;Inorganics;inhibitor and freshen agent
Mol File: 7681-57-4.mol
Sodium metabisulfite Structure
 
Sodium metabisulfite Chemical Properties
mp  150 °C
density  1.48
storage temp.  Store at RT.
solubility  540 g/L (20°C)
Water Solubility  540 g/L (20 ºC)
Merck  14,8638
Stability: Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive.
CAS DataBase Reference 7681-57-4(CAS DataBase Reference)
EPA Substance Registry System Disulfurous acid, disodium salt(7681-57-4)
 
Safety Information
Hazard Codes  Xn,Xi
Risk Statements  22-31-41-36/37/38-52
Safety Statements  26-39-46-36
RIDADR  3260
WGK Germany  1
RTECS  UX8225000
PackingGroup  III
Hazardous Substances Data 7681-57-4(Hazardous Substances Data)

Details:

7681-57-4           

 

Chemical Formular: Na2S2O5

CAS NO: 7681-57-4

HS Code: 2832.10.00

 

Quality indicators of sodium metabisulphite:

 

Sodium Metabisulfite

Items

Industrial Grade

HG/T2826-2008

Food Grade

GB1893-2008

 

Top grade

First grade

 

Na2S2O5

96.5%min.

95.0%min.

96.5%min.

Fe

0.005%max.

0.010%max.

0.003%max.

Clarity

-

-

Pass the test

Heavy metal(by Pb)

-

-

0.0005%max.

Arsenic (As)

0.0001%max.

-

0.0001%max.

 

Water insolubles

0.05%max.

0.05%max.

-

 

 

Application of sodium metabisulphite:

Food grade:
Bleaching agent (e.g.candies, cake, bamboo shoots, etc);
Loosening 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);

Industrial 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 stapk; Treatment agent of waste water; 
Rubber solidifying agent; 
Perfume industry is served as hydrocarbon perfume aldehyde; 
The hide profession employ to do to molt dose and pliable dose and wearproof dose; 
The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.

 

 

Storage:

Store the product in a cool and dry place, prevent from direct sunlight ,water and  moisture, avoid contact with strong acid,oxidants  or poisonous substances. Exposure to moisture will make it oxidze easily to sodium sulphate. Do not store it for long time.

 

 

Service we can provide:

 

1. Quick and positive reply after receiving your inquiry;

 

2. Free sample before shipment;

 

3. Quality control before and during shipment;

 

4. Packing according to clients’ requirement;

 

5. Mixed container, we can mix different items in one container.

 

6. Loading photos as required;

 

7. Prompt shipment with right shipping line;

 

8. SGS or BV Certification as required;

 

9.Experienced in making D/P and L/C docs.

 

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