| Melting point |
>240 °C (dec.) (lit.) |
| Boiling point |
468.2±45.0 °C(Predicted) |
| alpha |
-224 º(c=2 in 1M HCl) |
| Density |
1.68 |
| bulk density |
300kg/m3 |
| 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 25℃) |
| color |
White |
| PH |
4.60 |
| biological source |
plant |
| optical activity |
[α]20/D 219±5°, c = 1% in 1 M HCl |
| Water Solubility |
0.112 g/L (25 ºC) |
| Merck |
14,2782 |
| BRN |
1728094 |
| Stability |
Stable. Incompatible with strong oxidizing agents. |
| Major Application |
peptide synthesis |
| Cosmetics Ingredients Functions |
FRAGRANCE
HAIR CONDITIONING
ANTISTATIC |
| InChI |
1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 |
| InChIKey |
LEVWYRKDKASIDU-IMJSIDKUSA-N |
| SMILES |
N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O |
| LogP |
0.773 (est) |
| 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) |
