1. Common name: 2B acid
2. Chemical name: Aminochlorotoluenesulfonicacid
3. Structural formula:
4. Molecular formula: C7H6ClNO3S,
5. Molecular weight: 221.5
6. Physical and chemical properties: technical product is white or light red powder, with a little ammoniacal odor. Flash point>240℃.
7. Specification:
| Appearance: |
white or light red powder |
| Purity (weight)%: |
≥98.0 |
| Moisture, (weight)%: |
≤1.0 |
| Insoluble matter in alkali, (weight)% |
≤0.5 |
| Ash content, % |
≤0.5 |
8. Uses: the product is an important organic pigment intermediate.
9. Storage: keep in well-ventilated warehouse. Keep away from oxidants, heat and fire.
10. Notes: the operator shall wear safety goggles, safety glass shield, gloves and antigas mask.
11. Toxicity: acute per os LD50 is 12g/kg (rat).
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Inorganic chemical products 
Sodium thiosulfate
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