L (+) Tartaric Acid 99.5% Extrapure
Dextro rotatory (+)
(2R,3R)-(+)-Tartaric acid, L-Threaric acid
Product Code. |
02618 |
Grade |
Extrapure |
Purity |
99.5% |
CAS No. |
87-69-4 |
Molecular Formula |
C4H6O6 |
Molecular Weight |
150.09 |
H.S.Code |
2918.12000 |
Shelf Life |
60 Months |
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 |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay | Min 99.5% |
| Specific optical rotation ([?]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 and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338