P-Hydroxybenzoic Acid Methyl Ester Methylparaben CAS No 99-76-3

China P-Hydroxybenzoic Acid Methyl Ester Methylparaben CAS No 99-76-3, Find details about China Methylparaben, 99-76-3 from P-Hydroxybenzoic Acid Methyl Ester Methylparaben CAS No 99-76-3

Basic Info.

Model NO.

SAMREAL-0315

Colour

White

Standard

USP

Trademark

samreal

Specification

25kg/drum

Origin

China

Model NO.

SAMREAL-0315

Colour

White

Standard

USP

Trademark

samreal

Specification

25kg/drum

Origin

China

Product Desciption

Methylparaben cas no 99-76-3

Item	Specification	Test Results
Appearance	White powder	Passed
Purity (on dry base ) %	98.0-102.0	99.2
Melting Point ºC	125-128	127.3
Acid	Not more than 0.1 ml of 0.1 N sodium hydroxide is required to produce a blue color	Passed
Identification	A. Infrared absorption Spectrophotometry B. Thin-Layer Chromatographic	Passed
Residue %	≤0.1	0.05
Loss on drying %	≤0.5	0.3
Heavy Metal ( Pb)	≤10ppm	Passed
Residual solvents (Methanol)	<3000PPM	Passed
Related Substances	P-Hydroxybenzoic acid: ≤0.5% Unspecified impurities: ≤0.5% Total impurities: ≤1.0%	Passed
Color of solution	100mg/ml in alcohol,The solution is clear.	Passed

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P-Hydroxybenzoic Acid Methyl Ester Methylparaben CAS No 99-76-3

P-Hydroxybenzoic Acid Methyl Ester Methylparaben CAS No 99-76-3

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