Description
Technical Parameters
Product Brief Introduction
Product name: L-Cysteine Hydrochloride Anhydrous
CAS：52-89-1
MF: C3H8ClNO2S
MW: 157.619
Product Specification
|
Item |
Specification |
|
Appearance |
White crystal or crystalline powder |
|
Identification |
Consistent with the control profile |
|
PH |
1.5~2.0 |
|
Specific Rotation[α]D20° |
+5.6° ~ +8.9° |
|
Transmittance (State of Solution) |
≥ 98.0% |
|
Loss on Drying |
≤ 1.0% |
|
Residue on Ignition |
≤ 0.1% |
|
Other Amino Acids |
Chromatographically not detectable |
|
Heavy Metals (as Pb) |
≤ 10ppm |
|
Arsenic (as As2O3) |
≤ 1ppm |
|
Assay (on the dry basis) |
98.0%-102.0% |
