99.5% Assay Chemical Pharma Intermediates TRIS Hydrochloride CAS 1185-53-1 - Sell

99.5% Assay Chemical Pharma Intermediates TRIS Hydrochloride CAS 1185-53-1

2016-09-12 18:22 Views:229

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TRIS HYDROCHLORIDE , Chemical Intermediates, White crystalline, 99.5%MIN

Specifications:

Item	Specification
Appearance	White crystalline
Infrared	Must conform to known reference
Assay (By Titration 0.1N NaOH/Dried basis)	≥99.5%
Melt point	149-153
Water Content (By Karl Fischer)	≤0.5%
Loss on drying	≤0.5%
PH (1.0% aqueous )	4.2-5.0
Ultraviolet Absorbance (1.0M aqueous)	A(260) ≤0.06 Abs unit A(280) ≤0.05 Abs unit
Solubility (1.0M aqueous)	Clear, colorless solution
Heavy metal	≤5ppm
Fe	≤5ppm

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