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1,4-Dithioerythritol

Name: 1,4-Dithioerythritol
Brand: SIAL
Price: 122 USD
Availability: InStock

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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Size/SKU	Availability	Price
1 g	Available to ship TODAYfromMILWAUKEE	$122.00
5 g	Available to ship TODAYfromMILWAUKEE	$393.00

About This Item

Linear Formula:

HSCH₂CH(OH)CH(OH)CH₂SH

CAS Number:

6892-68-8

Molecular Weight:

154.25

UNSPSC Code:

12161504

NACRES:

NA.31

PubChem Substance ID:

24894319

EC Number:

229-998-8

Beilstein/REAXYS Number:

1719756

MDL number:

MFCD00063750

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Properties

product line

BioXtra

Quality Segment

200

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 (SO₄^2-): ≤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

Description

Application

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

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This Item	D8161	233152	D8255
Sigma-Aldrich D9680 1,4-Dithioerythritol	Sigma-Aldrich D8161 1,4-Dithioerythritol	Millipore 233152 Dithioerythritol	Sigma-Aldrich D8255 1,4-Dithioerythritol
description BioXtra, ≥99.0%	description BioReagent, Molecular Biology, ≥99.0%	description A protective agent for SH groups.	description ≥99.0%
assay ≥99.0%	assay ≥99.0%	assay ≥98% (titration)	assay ≥99.0%
Quality Level 200	Quality Level 200	Quality Level 100	Quality Level 300
product line BioXtra	product line BioReagent	product line -	product line -
pH 4.5-6.5 (0.1 M in H₂O)	pH 4.5-6.5 (25 °C, 15.4 g/L)	pH 4.5-6.5 (25 °C, 15.4 g/L)	pH 4.5-6.5 (25 °C, 15.4 g/L)
form powder	form powder	form solid	form powder
anion traces sulfate (SO₄^2-): ≤0.005%	anion traces -	anion traces -	anion traces -

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Pictograms

GHS07

Signal Word

Warning

Hazard Codes

H302,H412

Precautionary Statements

P273 - P301 + P312 + P330

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves

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