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DL-Dithiothreitol

DL-Dithiothreitol Structure
CAS No.
27565-41-9
Chemical Name:
DL-Dithiothreitol
Synonyms
DTT;1,4-DITHIOTHREITOL;1,4-DITHIO-DL-THREITOL;Cleland's reagent;DTT-MBG;DITHIOTHRIETOL;(2R,3R)-1,4-dimercaptobutane-2,3-diol;DITT;DL-DTT;CGMP DTT
CBNumber:
CB3342918
Molecular Formula:
C4H10O2S2
Molecular Weight:
154.25
MOL File:
27565-41-9.mol
Modify Date:
2024/3/26 17:16:27

DL-Dithiothreitol Properties

Melting point 41-44 °C(lit.)
Boiling point 125-130 °C (2 mmHg)
Density 1.04 g/mL at 20 °C
refractive index 1.5200 (estimate)
Flash point >230 °F
storage temp. 2-8°C
solubility H2O: 50 mg/mL, clear, colorless
form Liquid
color White
Water Solubility Soluble
Merck 3376
CAS DataBase Reference 27565-41-9(CAS DataBase Reference)
EPA Substance Registry System 2,3-Butanediol, 1,4-dimercapto-, (2R,3R)-rel-(27565-41-9)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H319-H302-H335-H315
Precautionary statements  P264-P270-P301+P312-P330-P501-P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
Hazard Codes  Xn
Risk Statements  25-36/37/38-22
Safety Statements  26-45-36
WGK Germany  3
RTECS  EK1610000
3-10-16-23
HS Code  29309090
Toxicity mouse,LD50,intramuscular,108mg/kg (108mg/kg),BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD,Journal of Pharmacy and Pharmacology. Vol. 1, Pg. 576, 1949.

DL-Dithiothreitol Chemical Properties,Uses,Production

Chemical Properties

White solid

Uses

Reagent for the quantitative reduction of disulfide group. Prevents the oxidation of cholecystokinin during its extraction from brain and duodenal tissues. Cleavage of disulfide bonds in proteins.

Preparation

The preparation of DL-Dithiothreitol is as follows:To a round bottom flask was charged THPP (23mg, 0.11mmol, 1.10eq) and the basic buffer solution [tris-(hydroxymethyl)-aminomethane-CaCl2 based buffer; pH 8.00; 1.0mL]. The reaction mixture was stirred at room temperature for about 5 min and then to this homogenous solution was charged trans-4,5-Dihydroxy-1,2-dithiane (15.2mg, 0.10 mmol, 1.00eq.). The reaction mixture was stirred at room temperature until the reaction was complete (about 30 min). The product was readily identified by 1H-NMR analysis.

Purification Methods

Crystallise DTT from ether and sublime it at 37o/0.005mm. It should be stored at 0o. [Beilstein 1 III 2360.]

DL-Dithiothreitol Preparation Products And Raw materials

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DTT (RACEMIC) DL-THREO-2,3-DIHYDROXY-1,4-DITHIOLBUTANE DL-THREO-1,4-DIMERCAPTO-2,3-BUTANEDIOL DL-DTT DITHIOTHREITOL, 1,4- DITT DL-2,3-DIHYDROXY-1,4-BUTANEDITHIOL DL-1,4-DIMERCAPTO-2,3-BUTANEDIOL CGMP DTT CLELAND REAGENT RACEMIC CLELAND'S REAGENT, IMMOBILIZED CLELAND'S REDUCTACRYL(TM) REAGENT 2,3-BUTANEDIOL, 1,4-DIMERCAPTO-(R*,R*)- (2S,3S:2R,3R)-THREO-1,4-DIMERCAPTO-2,3-BUTANEDIOL 1,4-DITHIOTHREITHOL RAC-CLELAND'S REAGENT (R,R)-DITHIOTHREITOL (R,R)-1,4-DIMERCAPTO-2,3-BUTANEDIOL THREO-2,3-DIHYDROXY-1,4-DITHIOBUTANE THREO-2,3-DIHYDROXY-1,4-DITHIOLBUTANE SPUTOLYSIN(R) REAGENT 1,4-dimercapto-,(r*,r*)-(+-)-3-butanediol 1,4-dimercapto-,(theta,theta)-(+/-)-3-butanediol 4-dimercapto-3-butanediodl-threo-1 4-dithio-dl-threito rac-dithiothreitol 1 4-DITHIO-DL-THREITOL(+4℃) Di-dithiothreitol DTT(1,4-Dithiothreitol 1,4-Dithio-DL-threitol≥ 99% (Titration) 1,4-dithio-dl-threitol sol. Clelands REDUCTACRYL dithiothreitol (dtt) sequencing grade dithiothreitol molecular biology*reagent DithiothreitollelandsReagenz Dithithreitol DL-Dithothreitol (R*,R*)-(±)-1,4-dimercaptobutane-2,3-diol 2,3-BUTANEDIOL, 1,4-DIMERCAPTO-(R*,R*)-()-OR,DITHIOTHREITOL Dtt(Dl-Dithiothreitol) (±)-1,4-Dithiothreitol-D6 DL-DITHIOTHREITOL,ELECTROPHORESISGRADE (+/-)-1,4-Dithio-D-threitol D-Dithiothreitol, (2S,3S)-threo-1,4-Dimercapto-2,3-butandiol DL-DITHIOTHREITOL extrapure 2,3-Butanediol, 1,4-dimercapto-, (2R,3R)- DL-1,4-Dimercapto-2,3-dihydroxybutane threo-2,3-Dihydroxy-1,4-butanedithiol DL-Dithiothreitol [for Electrophoresis] DL-1,4-Dithiothreitol ,98% DITHIOTHREITOL RESEARCH GRADE Dithiothreitol in Ethyl acetate@1000 μg/mL in Ethyl acetate DTT-MBG DITHIOTHRIETOL 1,4-DITHIO-DL-THREITOL 1,4-DITHIOTHREITOL (2R,3R)-1,4-dimercaptobutane-2,3-diol Cleland's reagent