Name | 4,4'-dithiobis[2-aminobutyric] acid |
Synonyms | Homocystine (H-HoCys-OH)2 L-Homocystine Product NameL-homocystine Synonyms 4,4'-dithiobis[2-aminobutyric] acid 4,4'-dithiobis[2-amino-Butanoic acid] L-4,4'-Dithiobis(2-aminobutyric acid) Butanoic acid, 4,4'-dithiobis[2-amino- 4,4'-Disulfanediylbis(2-aMinobutanoic acid) 2-ammonio-4-[(3-ammonio-3-carboxylatopropyl)disulfanyl]butanoate |
CAS | 462-10-2 626-72-2 |
EINECS | 207-323-8 |
InChI | InChI=1/C8H16N2O4S2/c9-5(7(11)12)1-3-15-16-4-2-6(10)8(13)14/h5-6H,1-4,9-10H2,(H,11,12)(H,13,14)/t5-,6+ |
Molecular Formula | C8H16N2O4S2 |
Molar Mass | 268.35 |
Density | 1.443±0.06 g/cm3(Predicted) |
Melting Point | 281-284°C (dec.) |
Boling Point | 507.6±50.0 °C(Predicted) |
Specific Rotation(α) | 77 º (c=1%,1N HCl) |
Flash Point | 260.8°C |
Solubility | Aqueous Acid (Slightly). Aqueous Base (Slightly) |
Vapor Presure | 1.12E-11mmHg at 25°C |
Appearance | Solid |
Color | White to Off-White |
pKa | 1.90±0.10(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
MDL | MFCD00020391 |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
biological activity | 4,4 '-Disulfanediylbis(2-aminobutanoic acid) is an endogenous metabolite. |