d( )-malic acid cas 636-61-3

描述

D( )-Malic acid Quick Details

Chemical Name: D( )-Malic acid

CAS No.:636-61-3

Molecular Formula: C4H6O5

Molecular weight: 134.09

Chemical Structure:

Appearance: white crystalline powder

Assay: 98.5%

D( )-Malic acid Typical Properties

Item	Standard
Appearance	White crystalline powder
Assay(as C4H6O5)	≧99.0
specific rotation [α]D20℃	1.6~ 2.6
Sulfate[SO4]	≦0.03%
Chloride[CI]	≦0.004%
Arsenic (as As) mg/kg	≦2.0
Heavmetals [Pb] mg/kg	≦20
Fumaric Acid	≦1.0%
Maleic Acid	≦0.05%
Residue on ignition	≦0.10%
State of solution	PASS
Readily oxidilable substances	Qualified

D( )-Malic acid Usage

It is an important four-carbon atoms chiral pool. It is mainly used in many fields including chiral pharmaceuticals, chiral additives and chiral auxiliaries.

It is used as chiral pool of chiral synthesis in pharmaceutical and food industries. As an optically active organic acid, it is insubstitutable in asymmetry synthesis of some chiral compounds.

D( )-Malic acid Packaging and Shipping

25kgnet weight in cardboard drum or according to customer requirements.

Delivery: delivery within 3-5working days.

D( )-Malic acid Storage

Kept airtightly in a light-proof, dry and cool place.