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PNTOSA (121-03-9)

Chemical name: p-nitrotoluene-o-sulfonic acid
Structural formula:
             

Chemical formula: C7H11NO7S
Molecular weight: 253
CAS NO.:121-03-9
Quality index:

Item

Index

(1)Appearance

milk white crystal

(2)Assay (Gross sample)%　　

≥ 80.0

(3)Moisture (Gross sample)%　　

≤5.0

(4)Free acid (Gross sample)%　

≤1.0

(5)Insolubles(Gross sample% 　

≤0.1


Main use: it is an intermediate of dyes, can be used to manufacture Yellow R.

Packing:25kg plastic woven bag or upon clients' request.