Description
Technical Parameters
Product Brief Introduction
Product name: Butanedioic Acid, 2, 3-Dimercapto-, (2R, 3S)-Rel-
CAS: 304-55-2
MF: C4H6O4S2
MW: 182.22
Product Specification
|
Appearance |
White or off-white power |
|
Identification |
IR: the infrared absorption spectrum of the sample complies with the reference standard and it gives positive reaction. |
|
Melting Point |
190.0℃~194.0℃ |
|
PH |
2.5-3.0 |
|
Loss on Drying |
≤ 1.0% |
|
Residue on Ignition ( as Sulfate) |
≤ 0.1% |
|
Heavy Metals (as Pb) |
≤ 10ppm |
|
Residual Solvents |
Ethanol ≤ 0.5% |
|
|
Methanol ≤ 0.3% |
|
Total Plate Count |
Meet the standards |
|
Assay |
≥ 98.5% |
