p-Toluenesulfonamide CAS:70-55-3 CAS NO.70-55-3

Name	p-Toluenesulfonamide
Synonyms	Tosylamide;Uniplex 173;4-TOLUENESULFONIC ACID AMIDE;4-TOLUENESULFONAMIDE;4-METHYLBENZENESULFONAMIDE;P-TOLUENESULFONAMIDE;P-TOLUENESULFONYLAMIDE;P-TOLUENESULPHONAMIDE
CAS	70-55-3
MF	C7H9NO2S
MW	171.22
Melting point	134-137 °C(lit.)
Boiling point	221 °C (10 mmHg)
Density	1.2495 (rough estimate)
Refractive index	1.6100 (estimate)
Flash point	202 °C
Application	1.Used in the manufacture of dyes, plasticizers, synthetic resins, coatings, disinfectants and wood processing brighteners, etc. 2.Organic synthesis, plasticizers, resin and paint fungicides.

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard;		Complies
	D.HPLC-ESI-MS		Complies
	The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.10%
Sulphated ash	≤0.5%, determined on 1.0 g.		0.01%
Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurity	≤0.5%	0.18%
Purity	≥99.0%		99.70%
Assay	99.0%~101.0% (anhydrous substance).		99.80%
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies