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DL-Malic acid Structure

DL-Malic acid

Chemical Properties

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 | L-MALIC ACID
Flash point 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
Water Solubility  500g/L at 25℃
Stability Stable. Incompatible with strong oxidizing agents, strong bases, amines, alkali metals, carbonates.
LogP -1.3 at 24℃
CAS DataBase Reference 617-48-1(CAS DataBase Reference)
EPA Substance Registry System Butanedioic acid, hydroxy-(617-48-1)

Safety Information

Hazard Codes  Xn
Risk Statements  22-37/38-41-42/43-34
Safety Statements  26-39
WGK Germany  1
RTECS  ON7175000

MSDS

Usage And Synthesis

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