| NOMENCLATURE |
: |
Sodium Hydrosulphite, Hydrosulphite
of Soda, Sodium dithionite. |
| PHYSICAL FORM |
: |
White to grayish-white
crystalline free flowing powder with pungent odour. |
| CHEMICAL FORMULA |
: |
Na2S2O4 |
| PROCESS |
: |
Manufactured by Zinc Process. |
| PROPERTIES |
: |
|
| Molecular wt. |
: |
174. |
| Bulk Density |
: |
1.1 to 1.4 |
| Melting Point |
: |
55oC |
| Solubility |
: |
Soluble in water, insoluble
in alcohol and methanol. |
| Odour |
: |
Pungent |
| Shelf Life |
: |
Minimum 12 months from
the date of packing if stored in a sealed Air-tight container. |
| GRADES |
: |
GRADE
Na2S2O4 CONTENT (MIN) |
|
|
Low Purity
70% Min, 74% Min, & 80% Min. |
|
|
Standard
84% Min & 88% Min. |
|
|
High Purity
92% Min. |
| APPLICATION |
: |
Strong Reducing Agent |
|
|
Dyeing, Printing and Stripping
of Vat Dyes in Textiles. |
|
|
Bleaching Sugar, Jaggary,
Soap, Oils, Minerals Wood Pulp, Ceramics and Chemicals. |
|
|
Oxygen scavanger for Synthetic
Rubbers. |
|
|
Discolouration of Effluent. |
| PACKING |
: |
Material is packed in Polythene
Bags, placed in New M.S./ Fiber Drums or Plastic Carboys - 114 Kg,
100 Kg, 50 Kg, 25 Kg, 25 Kg & 1 Kg. |
| STORAGE STABILITY |
: |
Keep drums closed when
not in use. Store drums away from heat and water. |
| SAFETY PRECAUTIONS |
: |
Subject to fire if allowed
to become damp. In case of fire, use sand or fire extinguisher.
Do not use water. |
| SHIPPING DETAILS |
: |
One FCL of 20 Feet can
accommodate 20 MT. |
| UN NO. |
: |
1384 |
| IMCO CLASS |
: |
4.2 |
| IMDG NO. |
: |
4262 |
