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High-quality Ascorbic Acid in Stock,China NC price supplier

High-quality Ascorbic Acid in Stock

min.order / fob price

≥1 piece

OriginChina

Production Capacity5000000MT/year

CategoryPreservatives

Update Time2011-08-24

company profile

Zhengzhou Natural Chemical Co., Ltd

China

Contact: Ms.Crystal

Tel: 86-371-60193627

Number of Employees: < 20

Business Type: Manufacture & Trade

product details

Standard:BP/USP/FCCIV

Origin:China

Brand:NC

Ascorbic Acid

Details

Product Identification.:

Product name: Ascorbic Acid
Synonyms: L-Ascorbic acid; Vitamin C; VC
Molecular Formula: C ₆ H ₈ O ₆
Molecular Weight: 176.12
CAS No: 50-81-7

Quality standard.: ( see table )

The quality conforms to BP/USP.

Ascorbic Acid Quality standard

Item

Index

Characteristic

white crystalline powder

Melting point

190-192

Specific rotation

+21.0

Identification

Conforms

Assay

≥ 99.0%

Clarity of solution

Fine

Colour of solution(A _420nm )

A≤0.03

Residue on ignition

≤0.1%

Ferrite

≤2ppm

Copper

≤5ppm

Heavy metals

≤10ppm

Ascorbic Acid Quality standard
Item	Index
Characteristic	white crystalline powder
Melting point	190-192
Specific rotation	+21.0
Identification	Conforms
Assay	≥ 99.0%
Clarity of solution	Fine
Colour of solution(A _420nm )	A≤0.03
Residue on ignition	≤0.1%
Ferrite	≤2ppm
Copper	≤5ppm
Heavy metals	≤10ppm