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L(+)-Tartaric acid Structure

L(+)-Tartaric acid

Chemical Properties

Melting point 170-172 °C(lit.)
alpha  12 º (c=20, H2O)
Boiling point 191.59°C (rough estimate)
Density  1.76
vapor density  5.18 (vs air)
vapor pressure  <5 Pa (20 °C)
FEMA  3044 | TARTARIC ACID (D-, L-, DL-, MESO-)
refractive index  12.5 ° (C=5, H2O)
Flash point 210 °C
storage temp.  Store at +5°C to +30°C.
solubility  H2O: soluble1M at 20°C, clear, colorless
form  Solid
pka 2.98, 4.34(at 25℃)
color  White or colorless
PH 3.18(1 mM solution);2.55(10 mM solution);2.01(100 mM solution);
Odor at 100.00 %. odorless
Odor Type odorless
optical activity [α]20/D +13.5±0.5°, c = 10% in H2O
Water Solubility  1390 g/L (20 ºC)
JECFA Number 621
Merck  14,9070
BRN  1725147
Dielectric constant 35.9(-10℃)
Stability Stable. Incompatible with oxidizing agents, bases, reducing agents. Combustible.
InChIKey FEWJPZIEWOKRBE-JCYAYHJZSA-N
LogP -1.43
CAS DataBase Reference 87-69-4(CAS DataBase Reference)
NIST Chemistry Reference Butanedioic acid, 2,3-dihydroxy- [r-(r*,r*)]-(87-69-4)
EPA Substance Registry System Tartaric acid (87-69-4)

Safety Information

Hazard Codes  Xi
Risk Statements  36/37/38-41
Safety Statements  26-36-37/39-36/37/39
WGK Germany  3
RTECS  WW7875000
Autoignition Temperature 797 °F
Hazard Note  Irritant
TSCA  Yes
HS Code  29181200

MSDS

Usage And Synthesis

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