P-Toluene Sulfonic Acid Methyl Ester (PTSM)/Methyl p-Toluenesulfonate
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Product Description
P-Toluene Sulfonic Acid Methyl Ester/PTSM/Methyl p-Toluenesulfonate
Chemical Name: P-Toluene Sulfonic Acid Methyl Ester;Methyl p-Toluenesulfonate;PTSM;CAS 80-48-8
EINECS No.: 201-283-5
Chemical Formula: C8H10O3S
Molecular Weight: 186.23
Melting point: 24°C
Boiling point: 291.8±9.0 °C at 760 mmHg
Flash point: 130.3±18.7 °C
Density: 1.2±0.1
Molecular Structure:
Description
It is sulfonate ester present as potentially genotoxic impurity in drug substances. Kinetics of reactions of methyl p-toluenesulfonate with N,N-dimethylaniline has been investigated. It participates in selective 1-substitution reaction of tetrazole.
P-Toluene Sulfonic Acid Methyl Ester/PTSM/Methyl p-Toluenesulfonate Standard
Appearance: Colorless to light yellow liquid
Content %≥: 98
Moisture %≤: 0.5
P-Toluenesulfonic Acid (PTSA) ≤: 0.2
PTSC % ≤: 0.3
Ash % ≤: 0.05
Refractive index n20D: 1.5712
Application
It is used in the manufacturing of dyes and organic synthesis, and also is the raw materials of methylation. It is used as a methylating agent in organic synthesis. It acts as a catalyst for alkyd resins. It is also employed in selective 1-substitution reaction of tetrazole. Further, it is used in the preparation of dyes.
Storge & Handling
Keep container closed when not in use. Store in a tightly closed container. Store in a dark, cool, dry, well-ventilated area away from incompatible substances.
Packing
200KG Plastic drum or 170KG plastic lined iron drum.