Synonym: erythro-1,4-Dimercapto-2,3-butanediol; erythro-2,3-Dihydroxy-1,4-butanedithiol; Cleland’s reagent; DTE
CAS Number: 6892-68-8
Empirical Formula (Hill Notation): C4H10O2S2
Molecular Weight: 154.25
EC Number: 229-998-8
MDL Number: MFCD00063750
Linear Formula: HSCH2CH(OH)CH(OH)CH2SH
Product Type: Chemical
| λ |
0.1 M in H2O |
| anion traces |
sulfate (SO42-): ≤50 mg/kg |
| assay |
≥99.0% (RT) |
| cation traces |
Al: ≤5 mg/kg |
| |
As: ≤0.5 mg/kg |
| |
Ba: ≤5 mg/kg |
| |
Bi: ≤5 mg/kg |
| |
Ca: ≤50 mg/kg |
| |
Cd: ≤5 mg/kg |
| |
Co: ≤5 mg/kg |
| |
Cr: ≤5 mg/kg |
| |
Cu: ≤5 mg/kg |
| |
Fe: ≤5 mg/kg |
| |
K: ≤50 mg/kg |
| |
Li: ≤5 mg/kg |
| |
Mg: ≤5 mg/kg |
| |
Mn: ≤5 mg/kg |
| |
Mo: ≤5 mg/kg |
| |
Na: ≤50 mg/kg |
| |
Ni: ≤5 mg/kg |
| |
Pb: ≤5 mg/kg |
| |
Sr: ≤5 mg/kg |
| |
Zn: ≤5 mg/kg |
| form |
powder |
| impurities |
insoluble matter, passes filter test |
| |
≤0.5% 4,5-dihydroxy-1,2-dithiane |
| InChI |
1S/C4H10O2S2/c5-3(1-7)4(6)2-8/h3-8H,1-2H2/t3-,4+ |
| InChI key |
VHJLVAABSRFDPM-ZXZARUISSA-N |
| mp |
82-84 °C (lit.) |
| |
82-85 °C |
| pH |
4.0-6.0 (25 °C, 0.1 M in H2O) |
| product line |
BioUltra |
| Quality Level |
200  |
| reaction suitability |
reagent type: reductant |
| SMILES string |
O[C@@H](CS)[C@H](O)CS |
| solubility |
H2O: 0.1 M at 20 °C, clear, colorless |
| storage temp. |
2-8°C |
| UV absorption |
λ: 260 nm Amax: 0.400 |
| |
λ: 280 nm Amax: 0.050 |
| Application: |
Reagent for maintaining −SH groups in the reduced state; quantitatively reduces disulfides. |
| Other Notes: |
Cleavage of disulfide bonds in proteins; Prevents oxidation of sulfhydryl-containing proteins during SDS-polyacrylamide gel electrophoresis. |
| Purity |
≥99.0% (RT) |
| mp |
82-84 °C (lit.); 82-85 °C |
| Storage Temp. |
2-8°C |
| UNSPSC |
12161504 |
GHS07