Para Nitro Toluene Ortho Sulphonic Acid


Product name: Para Nitro Toluene Ortho Sulphonic Acid

Chemical name: 2-Methyl-5-nitrobenzenesulfonic acid;

Synonyms: PNTOSA; Para Nitro Toluene Ortho Sulfonic Acid

CAS: 121-03-9

Molecular Structure: Para Nitro Toluene Ortho Sulphonic Acid; PNTOSA

MW: 217.2

MF: C7H7NO5S

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

Package: 25kg plastic woven bag

Origin: Made In China

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 1

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