Substance
ID:351279
Names and Identifiers
IUPAC name
(2R,3S)-1,4-disulfanylbutane-2,3-diol
Synonyms
Erythro-1,4-dimercapto-2,3-butanediolErythro-2,3-dihydroxy-1,4-butanedithiolDTE1,4-Dithioerythritol赤式1,4-二巯基-2,3-丁二醇二硫代赤丁四醇克莱兰氏试剂1,4-二硫代赤藓醇Cleland’s reagent
IUPAC Traditional name
dithioerythritol
Registration numbers
CAS Number
Beilstein Number
EC Number
MDL Number
PubChem SID
Properties
Product Information
Linear Formula
HSCH2CH(OH)CH(OH)CH2SH
Cation Traces
Sr: ≤5 mg/kg
Cr: ≤5 mg/kg
Na: ≤50 mg/kg
Fe: ≤5 mg/kg
As: ≤0.5 mg/kg
Bi: ≤5 mg/kg
Li: ≤5 mg/kg
Mn: ≤5 mg/kg
Co: ≤5 mg/kg
Mg: ≤5 mg/kg
Ni: ≤5 mg/kg
Ba: ≤5 mg/kg
K: ≤50 mg/kg
Al: ≤5 mg/kg
Mo: ≤5 mg/kg
Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Cu: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
Purity
≥99.0% (RT)
λ
0.1 M in H2O
Antion Traces
sulfate (SO42-): ≤50 mg/kg
Impurities
insoluble matter, passes filter test
≤0.5% 4,5-dihydroxy-1,2-dithiane
Product Line
BioUltra
Safety Information
GHS Precautionary statements
P261-P305+P351+P338
RTECS
KF2410000
Risk Statements
36/37/38
European Hazard Symbols
Irritant (Xi)MSDS Link
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Storage Temperature
2-8°C
German water hazard class
3
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
GHS Hazard statements
H315-H319-H335
Safety Statements
26-36
GHS Signal Word
Warning
Physical Property
pH
4.0-6.0 (25 °C, 0.1 M in H2O)
Absorption Wavelength
λ: 260 nm Amax: 0.400
λ: 280 nm Amax: 0.050
Melting Point
82-84 °C(lit.)
82-85 °C
Solubility
H2O: soluble0.1 M at 20 °C, clear, colorless
Molecule Details
Application
Reagent for maintaining -SH groups in the reduced state; quantitatively reduces disulfides.
Other Notes
Cleavage of disulfide bonds in proteins;1,2 Prevents oxidation of sulfhydryl-containing proteins during SDS-polyacrylamide gel electrophoresis.3
Reagent for maintaining -SH groups in the reduced state; quantitatively reduces disulfides.
Other Notes
Cleavage of disulfide bonds in proteins;1,2 Prevents oxidation of sulfhydryl-containing proteins during SDS-polyacrylamide gel electrophoresis.3
Molecular Spectra
No Data Available
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References
No Data Available
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