L-Malic Acid L-(-)-Malic Acid 97-67-6

Name: White powder
Uploaded: 2023-05-26T02:04:02+08:00
Description: ι-Malic acid is nearly odorless (sometimes a faint,

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Incoterm:	FOB,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDP,DDU,Express Delivery,DAF,DES
Min. Order:	1 kilogram
Port:	Shanghai Port,Qingdao Port,Ningbo Port

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Product Description

Product Attributes

Packaging & Delivery

Product Description

Product Attributes

Model No.: 97-67-6

Brand: Volksky

CAS No.: 97-67-6

Other Names: L-(-)-Malic Acid

MF: C4H6O5

EINECS No.: 202-601-5

Brand Name: Volksky

Application: Intermediate

Appearance: White Crystalline Powder

Storage: Store Below +30°c.

Sample: Avaliable

Place Of Origin: China

Types Of: Syntheses Material Intermediates

Purity: 99%

Packaging & Delivery

Selling Units	:	kilogram
Package Type	:	25kg/drum
Picture Example	:

White powder

Factory High Quality Potassium Fluoroborate KBF4 98%min CAS 14075-53-71

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Product Description

ι-Malic acid is nearly odorless (sometimes a faint, acrid odor) with a tart, acidic taste. It is nonpungent. May be prepared by hydration of maleic acid; by fermentation from sugars.

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.

Application：

L-malic acid is used as an acidifier for refreshing beverages (such as lactic acid bacteria drinks, milk drinks, soft drinks, colas), frozen foods (such as fruit dew, ice cream, etc.), processed foods (such as fruit wine, mayonnaise), color retention agent for fruit drinks, preservatives, and emulsification stabilizer for egg yolks, etc.

Melting point	101-103 °C (lit.)
alpha	-2 º (c=8.5, H2O)
Boiling point	167.16°C (rough estimate)
density	1.60
FEMA	2655 \| L-MALIC ACID
refractive index	-6.5 ° (C=10, Acetone)
Fp	220 °C
storage temp.	Store below +30°C.
solubility	H₂O: 0.5 M at 20 °C, clear, colorless
form	Powder
color	White
Specific Gravity	1.595 (20/4℃)
PH	2.2 (10g/l, H2O, 20℃)
pka	(1) 3.46, (2) 5.10(at 25℃)
optical activity	[α]20/D 30±2°, c = 5.5% in pyridine