Name
Acid Red 138 Weak acid pink B CAS no.15792-43-5 dyeing wool and silk
Appearance
Dark red powder
Application
Used for dyeing wool and silk
Molecular Weight
677.73962
Solubility
Slightly soluble in water, insoluble in concentrated nitric acid
Boiling point
117 °C/0.07 mmHg(lit.)
Density
1.007 g/mL at 25 °C(lit.)