Sodium Ascorbate

• CAS No.: 134-03-2
• Formula: C6h7nao6
• EINECS: 205-126-1
• Type: Pharmaceutical Intermediates
• Appearance: Powder
• Quality: Food
• Model NO.: BP, USP
• Colour: Yellow
• CAS No: 134-03-2
• Transport Package: 25kg/Drum
• Specification: 99%
• Trademark: PUYER
• Origin: China

Product Description

ITEMS	SPECIFICATION	RESULT
Characteristics	White or almost white crystals crystalline powder	Complies
Identification	Positive reaction	Positive
Melting Point	About 190°C	190.1°C
pH	2.1~2.6	2.59
Clarity Of Solution	Clear	Clear
Colour Of Solution	≤BY7	<BY7
Loss On Drying	0.4% Max	0.17%
Arsenic	≤3ppm	<3ppm
Lead	≤2ppm	<2ppm
Copper	≤5ppm	<5ppm
Heavy Metals	≤10ppm	<10ppm
Iron	≤2ppm	<2ppm
Mercury	≤1ppm	<1ppm
Oxalic Acid	≤0.2%	<0.2%
Sulphate Ash (Residue On Ignition)	≤0.1%	<0.1%
Specific Optical Rotation	+20.5°~+21.5°	+20.75°
Organic Volatile Impurities	Pass	Pass
Assay	99.0%~100.5%	99.65%