Sodium Metabisulphite (TG)
No.: SD-006
GENERAL INFORMATION
|
• HS CODE |
28311000 |
|
• CAS NO |
7681-57-4 |
|
• GRADE |
Technical Grade |
|
• FORMULA |
Na2S2O5 |
|
• MOLECULAR WEIGHT |
190.09 |
PROPERTIES
|
• Appearance |
White or yellow crystalline powder |
|
• Odor |
Pungent sulfur dioxide odor |
|
• Solubility |
Soluble in water, glycerin, and ethanol |
|
• Specific Gravity |
1.4 |
SPECIFICATIONS
|
• Assay (As Na2S2O5 ) |
95.0% Min |
|
• Iron (As Fe) |
50ppm Max |
|
• Heavy Metals (As Pb) |
10ppm Max |
|
• Arsenic |
2ppm Max |
|
• pH |
4.0-4.6 |
|
• Water insoluble matter |
0.05% |
APPLICATION
• 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;
Treatment agent of waste water;
Rubber solidifying agent;
Perfume industry is served as hydrocarbon perfume aldehyde
The hide profession employ to use as 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.
PACKING
• In 25Kg polypropylene woven bag lined with PVC bag
STORAGE AND TRANSPORTATION
• Store in cool, ventilated and dry place. This product should not be stored for long time; should not be exposed to open air; protect against moisture; no mixing with inflammable substances, gasoline and oxidants
