PNTOSA Suppliers, PNTOSA Manufacturers.
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.
Company: |
Zhengzhou Meinl Chemical Co.,Ltd. |
E-mail: |
chem@netsun.com |
Address: |
109# Bitao Road,High-tech Zone,Zhengzhou,Henan,China. |
Zip Code: |
450000 |