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ChemicalBook--->CAS DataBase List--->97-67-6

97-67-6

97-67-6 Structure

97-67-6 Structure
IdentificationMore
[Name]

L(-)-Malic acid
[CAS]

97-67-6
[Synonyms]

1-HYDROXYSUCCINIC ACID
2-HYDROXYSYCCINIC ACID
apple acid
HYDROXYBUTANEDIOIC ACID
L-(-)-APPLE ACID
L-APPLE ACID
L-HYDROXYBUTANEDIOIC ACID
L-HYDROXYSUCCINIC ACID
L(-)-MALATE
(-)-L-MALIC ACID
L-(-)-MALIC ACID
L-MALIC ACID
MALIC ACID, L-(-)-
NATURAL APPLE ACID
(S)-2-HYDROXYBUTANEDICARBOXYLIC ACID
S(-)-2-HYDROXYSUCCINIC ACID
(S)-HYDROXYBUTANEDIOIC ACID
(S)-(-)-HYDROXYSUCCINIC ACID
(S)-HYDROXYSUCCINIC ACID
(S)-(-)-MALIC ACID
[EINECS(EC#)]

202-601-5
[Molecular Formula]

C4H6O5
[MDL Number]

MFCD00064213
[Molecular Weight]

134.09
[MOL File]

97-67-6.mol
Chemical PropertiesBack Directory
[Appearance]

white crystalline powder or granules
[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 at RT.
[solubility ]

H2O: 0.5 M at 20 °C, clear, colorless
[form ]

Powder
[color ]

White
[Specific Gravity]

1.595 (20/4℃)
[Odor]

odorless
[PH]

2.2 (10g/l, H2O, 20℃)
[pka]

(1) 3.46, (2) 5.10(at 25℃)
[Odor Type]

odorless
[optical activity]

[α]20/D 30±2°, c = 5.5% in pyridine
[Water Solubility ]

soluble
[JECFA Number]

619
[Merck ]

14,5707
[BRN ]

1723541
[InChIKey]

BJEPYKJPYRNKOW-REOHCLBHSA-N
[LogP]

-1.68
[CAS DataBase Reference]

97-67-6(CAS DataBase Reference)
[NIST Chemistry Reference]

Butanedioic acid, hydroxy-, (s)-(97-67-6)
[EPA Substance Registry System]

Butanedioic acid, 2-hydroxy-, (2S)- (97-67-6)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
[WGK Germany ]

3
[RTECS ]

ON7175000
[TSCA ]

Yes
[HS Code ]

29181980
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Calcium carbonate-->Poly(acrylic acid)-->(2S)-1-(3-Acetylthio-2-methyl-1-oxopropyl)-L-proline-->Disodium fumarate
[Preparation Products]

(R)-(-)-3-Quinuclidinol-->(S)-3-Hydroxypyrrolidine hydrochloride-->(S)-1-Benzyl-3-pyrrolidinol-->(-)-(1S,4R)-4-AMINOCYCLOPENT-2-ENECARBOXYLIC ACID-->(R)-3-Quinuclidinol hydrochloride-->(S)-(+)-3-Hydroxytetrahydrofuran-->Fluorescent Brightener 135-->Diethyl malate-->Coumalic acid-->CHLOROSUCCINIC ACID-->2,5-Pyrrolidinedione, 3-(acetyloxy)-, (3S)--->Butanedioic acid, 2-hydroxy-, 1-(phenylmethyl) ester, (2S)--->Cabozantinib Malate
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

L(-)-Malic acid(97-67-6).msds
Hazard InformationBack Directory
[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.
[Chemical Properties]

clear colourless solution
[Chemical Properties]

L-Malic acid is nearly odorless (sometimes a faint, acrid odor). This compound has a tart, acidic, nonpungent taste.
[Occurrence]

Occurs in maple sap, apple, melon, papaya, beer, grape wine, cocoa, sake, kiwifruit and chicory root.
[Uses]

Intermediate in chemical synthesis. Chelating and buffering agent. Flavoring agent, flavor enhancer and acidulant in foods.
[Uses]

The naturally occuring isomer is the L-form which has been found in apples and many other fruits and plants. Selective α-amino protecting reagent for amino acid derivatives. Versatile synthon for the preparation of chiral compounds including κ-opioid rece
[Definition]

ChEBI: An optically active form of malic acid having (S)-configuration.
[Preparation]

By hydration of maleic acid; by fermentation from sugars.
[General Description]

L-(-)-Malic acid is an organic acid that is commonly found in wine. It plays an important role in wine microbiological stability.
[Biochem/physiol Actions]

Malic acid is a part of cellular metabolism. Its application is recognized in pharmaceutics. It is useful in the treatment of hepatic malfunctioning, effective against hyper-ammonemia. It is used as a part of amino acid infusion. Malic acid also serves as a nanomedicine in the treatment of brain neurological disorders. A TCA (Krebs cycle) intermediate and partner in the malic acid aspartate shuttle.
[storage]

Store at -20°C
[Purification Methods]

Crystallise S-malic acid (charcoal) from ethyl acetate/pet ether (b 55-56o), keeping the temperature below 65o. Or dissolve it by refluxing in fifteen parts of anhydrous diethyl ether, decant, concentrate to one-third volume and crystallise it at 0o, repeatedly to constant melting point. [Beilstein 3 IV 1123.]
Spectrum DetailBack Directory
[Spectrum Detail]

L-(-)-Malic Acid(97-67-6)MS
L-(-)-Malic Acid(97-67-6)1HNMR
L-(-)-Malic Acid(97-67-6)13CNMR
L-(-)-Malic Acid(97-67-6)IR1
L-(-)-Malic Acid(97-67-6)IR2
L-(-)-Malic Acid(97-67-6)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

L(-)-Malic acid, 30 wt% aqueous solution(97-67-6)
[Alfa Aesar]

L-(-)-Malic acid, 97%(97-67-6)
[Sigma Aldrich]

97-67-6(sigmaaldrich)
[TCI AMERICA]

L-(-)-Malic Acid,>98.0%(T)(97-67-6)
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