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Basic Info.
Model NO.
b jqh 56-89-3
Colour
White
MW
240.3
Purity
99%
Sample
Support
Storage
Yes
Transport Package
Bag/Drum
Specification
25kg/20kg
Trademark
Futurechem
Origin
China
Production Capacity
200000kg
Product Description
Product Description
L-Cystine with Food grade 99% purity cas 56-89-3
| L-Cystine Basic information | |
| Product Name: | L-Cystine |
| CAS: | 56-89-3 |
| MF: | C6H12N2O4S2 |
| MW: | 240.3 |
| EINECS: | 200-296-3 |
| Mol File: | 56-89-3.mol |
| L-Cystine Structure | |
| L-Cystine Chemical Properties | |
| Melting point | >240 °C (dec.) (lit.) |
| alpha | -224 º(c=2 in 1M HCl) |
| Boiling point | 468.2±45.0 °C(Predicted) |
| density | 1.68 |
| refractive index | -222.5 ° (C=1, 1mol/L HCl) |
| storage temp. | 2-8°C |
| solubility | 1 M HCl: 100 mg/mL |
| form | Powder/Solid |
| pka | 1.0, 2.1, 8.02, 8.71(at 25ºC) |
| color | White |
| optical activity | [α]20/D 219±5°, c = 1% in 1 M HCl |
| Water Solubility | 0.112 g/L (25 ºC) |
| Merck | 142,782 |
| BRN | 1728094 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | LEVWYRKDKASIDU-IMJSIDKUSA-N |
| CAS DataBase Reference | 56-89-3(CAS DataBase Reference) |
| NIST Chemistry Reference | L-Cystine(56-89-3) |
| EPA Substance Registry System | L-Cystine (56-89-3) |
| Appearance | White to yellow powder | White to yellow powder | |
| Assay % | ≥97 | 98% | |
| Water % | ≤5 | 3.98 | |
