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1,4-Dithio-DL-threitol, 98% - CAS 3483-12-3 - Formula C4H10O2S2

A15797 3483-12-3 1,4-Dithio-DL-threitol, 98% Cleland's Reagent DTT racemic (±)-threo-1,4-Dimercapto-2,3-butanediol Alfa Aesar


Certificate of Analysis

1,4-Dithio-DL-threitol, 98%

CAS: 3483-12-3 MDL: MFCD00004877  EINECS: 222-468-7
Not regulated for shipping
Alternate Name: Cleland's Reagent DTT racemic


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
1g 33.30 Check Availability Add to Favorites Enter qty and click checkbox
5g 89.80 Check Availability Add to Favorites Enter qty and click checkbox
25g 365.00 Check Availability Add to Favorites Enter qty and click checkbox

Chemical Properties

Formula: C4H10O2S2  Boiling point: 125-130°/12mm
Formula weight: 154.25  Flash point: >110°(230°F)
Melting point: 40-43° Sensitivity: Air Sensitive

Literature References

Protective agent for preventing oxidation of thiol groups and reagent for reduction of disulfide groups in proteins: Biochemistry, 3, 480 (1964); 11, 2939 (1972); J. Biol. Chem., 243, 716 (1968); Methods Enzymol., 25, 185 (1967); 143, 246 (1987).


Useful for stabilizing sulfhydryl-containing enzymes

Other References

Merck: 14,3376
Beilstein: 1719757
Harmonized Tariff Code: 2930.90

GHS Hazard and Precautionary Statements

Hazard Statements : H302-H315-H319-H335

Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements : P261-P280-P305+P351+P338-P304+P340-P405-P501A

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Harmful or Irritant

Risk & Safety

Risk Phrases: 22-36/37/38
Harmful if swallowed. Irritating to eyes, respiratory system and skin.
Safety Phrases: 26-36/37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves. This material and/or its container must be disposed of as hazardous waste.
RTECS: EK1610000