L(+)-Tartaric Acid Diammonium Salt 99%
Product Code. |
0248C |
Grade |
|
Purity |
99% |
CAS No. |
3164-29-2 |
Molecular Formula |
(NH4)2C4H4O6 |
Molecular Weight |
184.15 |
H.S.Code |
2918.13900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
pH value |
5 - 7 |
| Density [g/cm3] |
1.6 |
Solubility in water |
Soluble in water |
Packaging
Specification
| Appearance (Color) | Semitransparent white |
| Appearance (Form) | Crystals |
| Infrared spectrum | Conforms |
| Titration with HClO4 | >=98.5 % |
| Heavy metals (as Pb) | =<10 ppm |
| Sulfated ash | =<0.05 % |
| Specific optical rotation | +31.4° to +33.4° (20°C, 589 nm) (c=1.84, H O) |
| Chloride (Cl) | =<50 ppm |
| Sulfate (SO4) | =<50 ppm |
| Iron (Fe) | =<10 ppm |
| Insoluble matter | =<0.005 % (in water) |
| pH | 6.0 to 7.0 (5 % solution) |
Safety Information and Hazard Symbols