Para Nitro Toluene Ortho Sulphonic Acid (PNTOSA)


Para Nitro Toulene Ortho Sulphonic Acid (PNTOSA) is an organic compound. Its chemical name is 4 Nitro Toluene 2 Sulfonic Acid or 1 Methil 4 Nitro Benzene 2 Sulphonic Acid. It is a crystal with a gray or brown color, and its empirical formula is C 7 H7NO5S. PNTOSA is acid used for intermediating dye stuff and the most common commercial name for this product is PNTOSA. If you use Para Nitro Toluene Ortho Sulphonic Acid, you should always keep it away from fire or high temperature because it is easily incendiary.

We offer PNTOSA with over 80% minimum purity. It can be used to various products because of its quality and durability. Get in touch with us, and I can guarantee that you will get your high-quality PNTOSA.

Molecular Formula C7H7SO5N
Molecular Weight 217
Physical Appearance White Crystal Wet Cake
Solubility 50% Solution in water is clear & transparent.
Purity Min 82% by Nitrite value
Insoluble 0.2% Max
Free Acidity 2% (Max) as H2SO4
Purity by HPLC 99 % (Min.)

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