Factory Supply bp usp ep l-ascorbic acid bulk l ascorbic vitamin c pure with best price--

Quick Details

CAS No.:50-81-7

Other Names:L(+)-Ascorbic acid

MF:C6H8O6

EINECS No.:200-066-2

Place of Origin:Zhentian, China

Type:Vitamins, Amino Acids and Coenzymes

Grade Standard:Feed Grade, Food Grade, Medicine Grade

Usage:Animal Pharmaceuticals

Purity:99%

Product Name:L(+)-Ascorbic acid

Appearance:White powder

Sample:Free charge samples can be sent

Total Heavy Metals:<10ppm

Test Method:HPLC/UV

Standard:USP EP JP etc.

Bacterial endoloxins:<0.075EU/mg

Shelf life:2 years

Name: L-Ascorbic acid

Synonyms: Vitamin C; L-Threo-2,3,4,5,6-pentahydroxy-1-hexenoic acid-4-lactone

Molecular Formula: C6H8O6

Molecular Weight: 176.12

CAS Number: 50-81-7

EINECS: 200-066-2

Packaging & Delivery

Packaging Details

Drum, Plastic Container, Vacuum Packed for High qualtiy L(+)-Ascorbic acid 50-81-7

Delivery Time

3days After payment for L(+)-Ascorbic acid

Specification

Item	Standard (BP2005/USP31/EP5)	Test Result
Characteristics	White crystals or crystalline powder	Meet the Requirement
Identification	Positive Reaction	Meet the Requirement
Melting Point	190-192 °C	191.3 °C
PH	2.2~2.6	2.49
Clarity of Solution	Clear	Meet the Requirement
Color of Solution	≤BY7	< BY7
Specific Optical Rotation	+20.5~+21.5°	+21.17°
Copper	≤ 5 ppm	<5 ppm
Heavy metals	≤ 10 ppm	<10 ppm
Iron	≤ 2 ppm	<2 ppm
Oxalic Acid	≤ 0.2 %	<0.2 %
Sulphated Ash	≤ 0.1 %	<0.1 %
Residue on Ignition	≤0.1 %	<0.1%
Organic Volatile Impurities	Pass USP Test	Meet the Requirement
Assay	99.0~100.0%	99.95%
Loss on drying	≤ 0.4 %	<0.4 %
Lead	≤2ppm	<2ppm
Mercury	≤0.1mg/kg	<0.1mg/kg
Mesh	40~80mesh	Pass
Arsenic	≤3ppm	<3ppm