Tartaric acid


L (+)-tartaric acid is a colorless, odorless solid substance, it crystallizes in the shape of monoclinic prisms. The melting point of ~ 170°C. The solubility of L(+)-tartaric acid in water is grows greatly with increasing temperature.

Molecular formula: C4H6O6
Molecular Weight: 150.087
Structural formula: HO2CCH (OH) CH (OH) CO2H
CAS Number: 87-69-4

Items Value for L(+)-tartaric acid
Appearance Colourless or semi-translucent crystalline substance
The main substance, % 99.9
Loss on drying, % ≤ 0.5
Specific rotation of the orientation of linearly polarized light, degrees ~ +12.0°
Density, g/cm3 1.76
Arsenic content, mg / kg < 2.0
Lead content, mg / kg
< 2.0

Application of L(+)-tartaric acid:

  • For dry mixes,
  • To produce gypsum items and gypsum plaster products,
  • In the food industry,
  • In analytical chemistry for the detection of aldehydes, sugars,
  • Salts of tartaric acid (tartrates) are used in medicine,
  • When dyeing fabrics and so on.


Сторінка українською
"(L+)-Винна кислота"
Страница на русском
"(L+)-Винная кислота"

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