Customization: | Available |
---|---|
CAS No.: | 526-83-0 |
Formula: | C4h6o6 |
Still deciding? Get samples of US$ 0/Piece
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
CAS No.: | 87-69-4/ 526-83-0 |
Chemical formula: | C4H6O6 |
EINECS No.: | 201-766-0 |
Molecular weight: | 150.087 |
Another name: | L-tartaric acid; DL-Tartaric acid; L-(+)-Tartaric Acid 2,3-Dihydroxybutanedioic acid; Threaric Acid |
Index | Content |
Melting point: | 172-174 °C(lit.) |
Boiling point: | 399.3ºC at 760mmHg |
PH: | 5.5~8.0 |
Flashing point: | 209.4ºC |
Density: | 1.7598(20ºC) |
Water solubility: | 1390 g/L (20 ºC) |
Acidity quotient(pKa) | 3.0, 4.4(at 25ºC) |
Refractive index: | 1.4955 |
Specific rotation: | -12.1 º (c=20, H2O) |
Item | Standard | Result |
Description | white crystalline powder | |
Content | ≥99.5% | 99.63% |
Melting Point | 200~206°C | 201°C-204°C |
Sulphate | ≤0.04% | <0.04% |
Heavy metals | ≤ 0.001% | <0.001% |
Arsenic | ≤0.0002% | <0.0002% |
Oxidable matter | QUALIFIED | |
Loss on drying | ≤0.5% | 0.26% |
Residue on ignition | ≤0.1% | 0.08% |
Packing: