ChemicalBook--->CAS DataBase List--->617-48-1

617-48-1

617-48-1 Structure

617-48-1 Structure
IdentificationMore
[Name]

DL-Malic acid
[CAS]

617-48-1
[Synonyms]

(+/-)-2-HYDROXYSUCCINIC ACID
dl-2-hydroxybutanedioic acid
DL-APPLE ACID
DL-HYDROXYBUTANEDIOIC ACID
DL-HYDROXYSUCCINIC ACID
DL-HYDROXYSUCOINIC ACID
DL-HYROXYBUTANEDIOIC ACID
DL-MALATE
DL(+/-)-MALIC ACID
DL-MALIC ACID
(+/-)-HYDROXYBUTANEDIOIC ACID
(+/-)-HYDROXYSUCCINIC ACID
(+/-)-MALIC ACID
MALIC ACID
MALIC ACID, DL-
(+/-)-butanedioicaci
1-Hydroxy-1,2-ethanedicarboxylicacid
DL-MALIC ACID BIOSYNTH
DL-MALIC ACID 99%
DL-MALIC ACID 99-100.5% FCC
[EINECS(EC#)]

210-514-9
[Molecular Formula]

C4H6O5
[MDL Number]

MFCD00064212
[Molecular Weight]

134.09
[MOL File]

617-48-1.mol
Chemical PropertiesBack Directory
[Appearance]

white crystalline powder
[Melting point ]

131-133 °C(lit.)
[Boiling point ]

150℃[at 101 325 Pa]
[density ]

1,609 g/cm3
[vapor density ]

4.6 (vs air)
[vapor pressure ]

<0.1 mm Hg ( 20 °C)
[FEMA ]

2655
[Fp ]

203°C
[storage temp. ]

Refrigerator
[solubility ]

methanol: 0.1 g/mL, clear, colorless
[form ]

Solid
[pka]

pK1:3.458;pK2:5.097 (25°C)
[color ]

White to Off-White
[Stability:]

Stable. Incompatible with strong oxidizing agents, strong bases, amines, alkali metals, carbonates.
[Water Solubility ]

500g/L at 25℃
[LogP]

-1.3 at 24℃
[CAS DataBase Reference]

617-48-1(CAS DataBase Reference)
[EPA Substance Registry System]

617-48-1(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

R22:Harmful if swallowed.
R37/38:Irritating to respiratory system and skin .
R41:Risk of serious damage to eyes.
R42/43:May cause sensitization by inhalation and skin contact .
R34:Causes burns.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S39:Wear eye/face protection .
[WGK Germany ]

1
[RTECS ]

ON7175000
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Calcium carbonate-->CIS-BUTENEDIOIC ANHYDRIDE-->Maleic acid-->Fumaric acid
[Preparation Products]

Fluorescent Brightener 135-->Oxobutanedioic acid-->3-oxopropanoic acid-->Isocytosine-->7,8-Dihydroxycoumarin-->2-dihydroxyphosphinoyloxyacrylic acid-->CHLOROSUCCINIC ACID-->2-Hydroxypropanoic acid-->Diethyl malate-->2,4-Diaminopyrimidine-->Glycolic acid
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

DL-2-Hydroxybutanedioic acid(617-48-1).msds
Hazard InformationBack Directory
[Description]

White or nearly white, crystalline powder or granules having a strongly acid taste. One g dissolves in 0.8 mL of water and in 1.4 mL of alcohol. Its solutions are optically inactive. It melts at about 130°.
[Chemical Properties]

white crystalline powder
[Uses]

DL-malic acid is primarily used in the food and beverage industry.
[Definition]

ChEBI: Malic acid is a 2-hydroxydicarboxylic acid that is succinic acid in which one of the hydrogens attached to a carbon is replaced by a hydroxy group. It has a role as a food acidity regulator and a fundamental metabolite. It is a 2-hydroxydicarboxylic acid and a C4-dicarboxylic acid. It is functionally related to a succinic acid. It is a conjugate acid of a malate(2-) and a malate.
[Flammability and Explosibility]

Nonflammable
[Purification Methods]

Crystallise the acid from acetone, then from acetone/CCl4, or from ethyl acetate by adding pet ether (b 60-70o). Dry it at 35o under 1mm pressure to avoid formation of the anhydride. [Beilstein 3 IV 1124.]
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

617-48-1(sigmaaldrich)
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