China Diethyl L-Tartrate CAS 87-91-2 as Chiral Reagent, Find details about China Food Additive, Pharmaceutical Intermediate from Diethyl L-Tartrate CAS 87-91-2 as Chiral Reagent
Item | Specification |
Appearance | Colorless to slight yellow viscous liquid |
Purity | 99% min. |
Acid value | 10 max. |
Moisture | 1.0% max. |
Specific Rotation 20 C | +7.5 - +8.5 |
As | 2.0 ppm max. |
Heavy metal (as Pb) | 20 ppm max. |