L(+) TARTARIC ACID
L(+) TARTARIC ACID Extra Pure
Dextro rotatory (+)
Short Name: L(+) TARTARIC ACID
Synonym: (2R,3R)-(+)-Tartaric acid, L-Threaric acid
Basic Details
Article No.
LG4438
Grade
Extra Pure
Purity
99.5%
CAS No.
87-69-4
HS Code
2918.1200
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
1 - 2 at 150 g/l at 25 °C
Melting point/ Freezing point [°C]
170 - 172 °C
Auto-ignition temperature [°C]
425°C
Flash point [°C]
150 °C
Vapour density
5.18
Density [g/cm3]
1.76
Solubility in water [% weight]
150 g/l at 20 °C - completely soluble
Chemical Specifications
Appearance
White crystalline powder
Assay
Min 99.5%
Specific optical rotation ([α]20/D)
+12.0° to +12.8°
Chloride (Cl)
Max 0.002%
Sulphate (SO4)
Max 0.015%
Oxalate (as C2H2O4)
Max 0.05%
Heavy metal (as Pb)
Max 0.001%
Copper (Cu)
Max 0.001%
Zinc (Zn)
Max 0.001%
Arsenic (As)
Max 0.0001%
Loss on drying (at 105°C)
Max 0.5%
Sulphated ash
Max 0.05%
Safety Information & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H315-H319-H335
Precaution Statement
P261-P305 + P351 + P338