CAS 50-81-7 Food Grade Acidity Regulator Ascorbic Acid 99% Purity

Price Negotiable

Price: USD1.97-3.0/kg

MOQ: 100kgs

Delivery Time: 7-20Working days

Brand: HERRMAN

Product Description

CAS 50-81-7 Food Grade acidity regulator Ascorbic Acid 99% Purity

Ascorbic Acid Description:

Vitamin C is a colorless crystal, odourless, acidic taste. Soluble in water and ethanol. Stable in dry air,

and its solution is not stable. As well as, Vitamin C takes part in many metabolism procedures in the

human body, helps decrease brittleness of blood capillaries and increase body.

Specification:

Testing Item	Standard	Result
Assay	99.0%-100.5%	99.72%
Appearance	White or almost White crystals Crystalline Powder	pass
Solubity	Easily soluble in water	pass
Identification	Positive Reaction	Positive
Melting Point	About 190℃	190.6 ℃
Copper	≤5ppm	<5ppm
Heavy Metals	≤10ppm	<10ppm
Mercury	≤0.1mg/kg	<0.1mg/kg
Lead	≤2mg/kg	<2mg/kg
Arsenic	≤3ppm	<3ppm
Oxalic Acid	≤0.2%	<0.2%
Iron	≤2ppm	<2ppm
Cadmium(Cd)	<1mg/kg	<1mg/kg
Impurity E	≤0.2%	<0.2%
Loss on Drying	≤0.4%	<0.4%
Sulphate Ash(Residue On Ignition)	≤0.1%	<0.1%
Specific Optical Rotation	+20.5°–+21.5°	21.08°