1: Identification

Name: P-Toluene Sulfonamide

Short Name: PTSA

Molecular Formula: C7H9NO2S

Molecular Weight: 171.21

CAS NO.: 70-55-3

2：Properties

Melting point: 136-140℃

Boiling point: 221℃

Flash point: 202℃ 

3: Quality Standard

Appearance: White crystalline powder

Assay: ≥99.5%

Moisture: ≤0.1%

o-Toluene Sulfonamide: ≤0.2%

Color(APHA): ≤20

Ortho Isomer: ≤0.1%

Turbidity: ≤10

PH: 5.0-7.0

Chloride: ≤100mg/kg

Sulphate: ≤200mg/kg

Sulfated ash: ≤0.05%

Iron: ≤2.0mg/kg

Heavy Metal: ≤10mg/kg

Packing: 25kg plastic woven bag, or 25kg fiber drum.

Usage: Pharmaceuticals, plasticizers, dyestuff intermediates, fluorescent resins.