Acid Powder L-Malic Acid CAS No. 97-67-6

• Customization: Available
• CAS No.: 97-67-6
• Formula: C4h6o5
• EINECS: 202-601-5
• Color: White
• Appearance: Powder
• Transport Package: Bags
• Trademark: Longze Chem
• Origin: China
• HS Code: 29181980

Product Description

 

Product Description

Product Name: L-Malic Acid
Synonyms: 
(-)-Hydroxysuccinic acid
(2S)-2-Hydroxybutanedioic acid
(S)-Malic acid
Apple acid
S-2-Hydroxybutanedioic acid
CAS No.: 97-67-6
Formula: C4H6O5
Molecular Weight: 134.09
EINECS: 202-601-5
Appearance: Clear, colorless liquid.
Solubility in water: Very soluble
 

Product Parameters

Item	Specification	Result
Content (as C4 H6O5),Wt %	99 min	99.3
Specific Rotation	-1.6~-2.6	-2.1
Arsenic,Ppm	2 max	<2
Lead (Pb),ppm	2 max	<2
Sulfate(SO4),Wt%	0.02 max	<0.02
Chloride,Wt%	0.004 max	<0.004
Residue on ignition,Wt%	0.1 max	0.03
Maleic acid,Wt%	0.05 max	0.01
Fumaric Acid, Wt%	0.5 max	0.02
Heavy metals, ppm	10.0 max	<10
Appearance	White crystal or Crystalline powder	White crystal or Crystalline powder

Application

L-Malic acid is nearly odorless (sometimes a faint, acrid odor). This compound has a tart, acidic, nonpungent taste.
L-Malic acid is used as a food additive, Selective α-amino protecting reagent for amino acid derivatives. Versatile synthon for the preparation of chiral compounds including κ-opioid receptor agonists, 1α, 25-dihydroxyvitamin D3 analogue, and phoslactomycin B.Intermediate in chemical synthes Flavoring agent, flavor enhancer and acidulant in foods.

 

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