ChemicalBook Product Catalog Catalyst and Auxiliary Fluorescent brightener L-Malic acid

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L-Malic acid NEW

$10.00 500kg

$20.00 100kg

$30.00 1kg

Min. Order10kg
Purity99%
Cas No97-67-6
Supply Ability100000kg
Update time2024-10-11

Hebei Chuanghai Biotechnology Co,.LTD

4YR

China

Chemical Properties

Product Name	L-Malic acid
CAS No	97-67-6
EC-No	202-601-5
Min. Order	10kg
Purity	99%
Supply Ability	100000kg
Release date	2024/10/11

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Product Name:	L-Malic acid
Synonyms:	L-(-)-Malic acid, CP;Butanedioic acid, 2-hydroxy-, (2S)-;pinguosuan;Butanedioicacid,hydroxy-,(S)-;hydroxy-,(S)-Butanedioicacid;l-(ii)-malicacid;L-Gydroxybutanedioicacid;L-Mailcacid
CAS:	97-67-6
MF:	C4H6O5
MW:	134.09
EINECS:	202-601-5

Melting point	101-103 °C (lit.)
alpha	-2 º (c=8.5, H2O)
Boiling point	167.16°C (rough estimate)
density	1.60
vapor pressure	0Pa at 25℃
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
Water Solubility	soluble
Merck	14,5707
JECFA Number	619
BRN	1723541

ITEMS	SPECIFICATIONS	RESULTS
Appearance	White, crystalline powder or colorless crystals	Passes
Identification	Accord With BP2007	Passes
Assay	99.5%~101.0%	99.97%
Melting point	75°C~78°C	77°C
Optical rotation	-0.05°~+0.05°	0.00°
Heavy metals	≤ 0.001%	<0.001%
Related substances
Impurity B	≤ 0.3%	Passes
Any other impurity	≤ 0.3%	Passes
Total of all impurities apart from impurity B	≤ 0.7%	Passes
Impurity F	≤ 0.1%	Not detected
Sulphated ash	≤ 0.1%	0.02%
Appearance of solution	Accord With BP2010	Passes

L-Malic acid NEW

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