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Key Documents

D9680

Sigma-Aldrich

1,4-Dithioerythritol

BioXtra, ≥99.0%

Synonym(s):

erythro-1,4-Dimercapto-2,3-butanediol, erythro-2,3-Dihydroxy-1,4-butanedithiol, Cleland’s reagent, DTE

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About This Item

Linear Formula:
HSCH2CH(OH)CH(OH)CH2SH
CAS Number:
Molecular Weight:
154.25
Beilstein:
1719756
EC Number:
MDL number:
UNSPSC Code:
12161504
PubChem Substance ID:
NACRES:
NA.31

product line

BioXtra

Quality Level

Assay

≥99.0%

form

powder

reaction suitability

reagent type: reductant

impurities

Insoluble matter, passes filter test
≤0.0005% Phosphorus (P)

pH

4.5-6.5 (0.1 M in H2O)

mp

82-84 °C (lit.)

solubility

H2O: 0.1 M, clear, colorless

anion traces

sulfate (SO42-): ≤0.005%

cation traces

Al: ≤0.0005%
Ca: ≤0.001%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.05%
Mg: ≤0.0005%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.001%

absorption

≤0.4 at 280 in H2O at 0.1 M
≤0.6 at 260 in H2O at 0.1 M

storage temp.

2-8°C

SMILES string

O[C@@H](CS)[C@H](O)CS

InChI

1S/C4H10O2S2/c5-3(1-7)4(6)2-8/h3-8H,1-2H2/t3-,4+

InChI key

VHJLVAABSRFDPM-ZXZARUISSA-N

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Application

Reagent for maintaining −SH groups in the reduced state; quantitatively reduces disulfides.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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