- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
19771-63-2 Procysteine R(-)-2-oxothiazolidine-4-carboxylic acid
Quick Details
- Appearance:White crystal powder
- Application:Cosmetic Raw Materials
- PackAge:Drum
- ProductionCapacity:1000|Metric Ton|Year
- Storage: Store in cool and dry place, away from sun light.
- Transportation:By sea or by air
Superiority:
Name: Procysteine
CAS No.: 19771-63-2
EINECS No: /
Chemical formula: C4H5NO3S
M. W.: 147.15
Details:
|
Item |
Specification |
|
Appearance |
White crystalline powder |
|
Assay% |
98.0-101.0% |
|
Optical activity |
(-)59.0°~ (-)62.5° |
|
Loss on drying |
<0.3% |
|
Melting point |
~173℃ |
|
Burning residue (sulfuric acid) |
<0.1% |
|
Heavy metal |
< 20ppm |
|
Iron(Fe) |
< 30ppm |
|
Arsenic |
≤1ppm |
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