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Pigment intermediate >> 4B Acid
CAS:88-44-8
Chemical Name:4-Aminotoluene-3-Sulfonic
Acid
Molecular Formula:CH3C6H3NH2(SO3H)
Structural Formula:
Usage:Intermediates used for Red 57# Pigment
industry and organic composite industry.
Quality Index:
Index Name
Index
Appearance
White or cream yellow powder
crystals
Freneh gray or off-white powder
Purity Total Amines
≥99.00%
≥98.00%
Insoluble in Ammonia Liquor
≤0.30%
≤0.50%
Moisture
≤0.50%
≤1.00%
P.T.
≤0.30%
≤0.50%
Physical Properties:White or cream yellow
powdery crystal.Soluble in diluted alkaline solution,ethyl
alcohol and ether,insouble in cold water,benzol,and
chorobenzene.Lightly soluble in hot water.
Chemical Properties:It has the general
characteristic of amines,can diazotizate with nitrite
in dilute acid.
Package:Plastic woven bags with PE line
or paper bag with PE liner,Net weight 25kgs-500kgs/bag.
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