2B acid--Haimen Wuyang Chemical Industry Co.,Ltd.

Inorganic chemical products: Sodium thiosulfate; Ammonium Thiosulphate; Potassium sulfite solution 45% (P; Ammonium bisulphite solution 70%; Sodium metabisulfite

Vat dyes and intermediates: Vat red F3B; Vat red 54#; Vat red FBM; Vat blue 66#; 1-nitro-2-methyl-anthraquinone

Pigment intermediates: 2B acid

Pharmaceutical intermediates: 3-Chlorophenol

Products Position: Hone > Products

2B acid

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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