Ascorbic Acid

Cas No. :50-81-7 Quantity: 1000Metric Tons
Specs:White or almost White crystals Crystalline Po
Payment Method: T/T L/C D/P

Analysis Contents	Analysis Standard	Analysis Results
Characteristics	White or almost White crystals Crystalline Powder	Pass
Identification	Positive Reaction	Positive
Melting Point	About 190℃	190.6℃
PH	2.4-2.8	2.42
Clarity Of Solution	Clear	Clear
Colour Of Solution	≤BY7	<BY7
Copper	≤5ppm	<5ppm
Heavy Metals	≤10ppm	<10ppm
Mercury	<0.1mg/kg	<0.1mg/kg
Lead	<2mg/kg	<2mg/kg
Arsenic	≤3ppm	<3ppm
Cadmium(Cd)	<1mg/kg	<1mg/kg
Oxalic Acid	≤0.2%	<0.2%
Iron	≤2ppm	<2ppm
Loss of Drying	≤0.4%	<0.4%
Sulphate Ash(Residue On Ignition)	≤0.1%	<0.1%
Specific Optical Rotation	+20.5°–+21.5°	+20.85°
Mesh	40-80 Mesh	Pass
Organic Volatile Impurities	Pass	Pass
Assay	99.0%-100.5%	99.79%

CAS Registry Number:
50-81-7
Synonyms:
;L-Ascorbic Acid, Free Acid;Vitamin C;L-(+)-Ascorbic acid;VC;ascorbic acid;Vita C BP2005;Vitamine C;L-threo-hex-1-enofuranos-3-ulose;(5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one (non-preferred name);5-(1,2-dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one (non-preferred name);Vit.C;Ascorbic Acid(VC);L-Ascorbic Acid;Ascorbate Acid;COATED ASCORBIC ACID;
Molecular Formula:
C₆H₈O₆
Molecular Weight:
176.1241
Molecular Structure:
Safety Description:
S24/25:;

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