Para Nitro Toluene Ortho Sulphonic Acid

Para Nitro Toluene Ortho Sulphonic Acid

Product name: Para Nitro Toluene Ortho Sulphonic Acid

Chemical name: 2-Methyl-5-nitrobenzenesulfonic acid; PNTOSA; Para Nitro Toluene Ortho Sulfonic Acid

CAS: 121-03-9

Structure:

Para Nitro Toluene Ortho Sulphonic Acid 1

MW: 217.2

MF: C7H7NO5S

Use: It is mainly used as intermediate of DSD Acid.

Package: 25kg plastic woven bag;

Specifications of PNTOSA:

Items Standards Results
Appearance white to light brown solid Comply
Content 80% 80%
Moisture 0.5% 0.5%
Acid insoluble 0.1% 0.02%
Free acid

Introductions of PNTOSA

White or grey white crystal. Soluble in acetic acid, ethanol and acetic acid, slightly soluble in water. It is used to make DSD acid and other dye intermediates.

Its main raw material for producing  DSD Acid.

MSDS/SDS of PNTOSA:

Para Nitro Toluene Ortho Sulphonic Acid 2

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