Tobias acid
Name：Tobias acid
Molecular formula：C10H9NO3S
Molecular weight：223.25
Structural formula：
CAS NO：81-16-3
Specifications：
Appearance：White to light pink powder.
|
Item |
Superior products |
First grade product |
Qualified product |
|
Total amino value (in dry products) |
≥98.5% |
≥98.5% |
≥97% |
|
2-naphthylamine |
≤ 0.01% |
≤0.10% |
≤0.25% |
|
Moisture |
≤1.0% |
≤1.0% |
≤2.0% |
Purpose：This product is an intermediate of azo dyes, used for the manufacture of J acid and gamma-acid, chromophenol AS-SW, reactive red K-1613, organic amaranth, Risol amaranth and Risol red.
