Introduction
PNTSA (Para Nitro Toluene Sulphonic Acid)
PNTSA is one of a number of Valetime “integrated” products – so termed as being produced in China from imported raw materials sourced from European producers supported by the Group.
PNTSA is mainly used in the manufacture of DSD acid fluorescent brighteners and dyes intermediate.
Also known as: p-Nitro Toluene Sulfonic Acid, p-Nitro Toluene-Sulfonic Acid, C7H7NO5S
Specification
February 2009
Valetime now have a new source for 80% grade of p-Nitro Toluene Sulfonic Acid available to them.
Appearance: Milky white crystalline
Contents: 80% max
Moisture: 5% max
Free Acid: 1% max
Insoluble: 0.1. % max
Origin: China
Standard Specification
General Information
CAS: 121-03-9
Forumula: C7H7NO5S
Appearance : Milky white crystalline, soluble in ethyl or ethyl ether
