CAS 97-52-9 Fast Red B Base Wholesale

Soluble in acetone, soluble in ethanol, ethyl acetate, acetic acid and benzene. It is prepared by condensation of o-methoxaniline with p-toluene sulfonyl chloride in sodium bicarbonate, acidified with nitric acid, and neutralized with dilute sulfuric acid.

Applications of Fast Red B Base
This product is ice dyeing dye color base, mainly used for cotton fabric dyeing printing color development agent, also used in the manufacture of fast pigment, jujube red, golden yellow, black and other organic pigments.

Technical Information of Fast Red B Base
Density 1.3¯0.1 g/cm3
Boiling Point 364.2¯22.0 ®C at 760 mmHg
Melting Point 140-142 ®C(lit.)
Molecular Formula C7H8N2O3
Molecular Weight 168.15
Flash Point 174.0¯22.3 ®C
Precise Quality 168.053497
PSA 81.07
LogP 1.85
Appearance Characteristics Light yellow powder
Vapor Pressure 0.0¯0.8 mmHg at 25®C
Refractive Index 1.601

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