L(+)-Tartaric acid Ph. Eur.

ACRO388280010

ACRO388280010

Appearance:
Colorless to white to almost white Crystalline powder or crystals
Loss on drying:
≤0.2 % (1 g, 105°C)
Sulfated ash:
≤0.1 % (1 g)
Appearance of solution:
(5 g in 50 ml water) clear and not more intensely colored than ref. soln. Y6
Identification A:
Passes test
Identification B:
Passes test
Specific optical rotation:
+12.0° to +12.8° (20°C, 589 nm) (c=20, H2O) (on dried substance)
Titration with NaOH:
99.5 to 101.0 % (on dried substance)
Sulfates:
≤150 ppm
Chlorides:
≤100 ppm
Calcium (Ca):
≤200 ppm
Impurity:
≤350 ppm (as anhydrous oxalic acid)

:399 °C (1013 hPa)

:168…172 °C

:1,759 g/cm³ (20 °C)

:210 °C (closed cup)

:150.09 g/mol

:GHS05

:Ambient

:87-69-4

:C₄H₆O₆

:MFCD00064207