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1,4-Dithio-DL-threitol, Electrophoresis Grade, 99%, Thermo Scientific Chemicals
Description
1,4-Dithio-DL-threitol is used as a protective agent for preventing oxidation of thiol groups and reagent for the reduction of disulfide groups in proteins. It is employed to investigate a-ketoglutarate dehydrogenase function, flavin cofactors in proteins and protein moieties involved in peroxide reduction. It is also useful for stabilizing sulfhydryl-containing enzymes.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
1,4-Dithio-DL-threitol is used as a protective agent for preventing oxidation of thiol groups and reagent for the reduction of disulfide groups in proteins. It is employed to investigate a-ketoglutarate dehydrogenase function, flavin cofactors in proteins and protein moieties involved in peroxide reduction. It is also useful for stabilizing sulfhydryl-containing enzymes.
Solubility
Soluble in water, ethanol, chloroform, diethyl ether, acetone, ether and ethyl acetate.
Notes
Air and heat sensitive. Hygroscopic. Incompatible with strong oxidizing agents, reducing agents and alkalies.

Specifications
Specifications
Melting Point | 40°C to 43°C |
Color | White |
Boiling Point | 125°C to 130°C (12 mmHg) |
Flash Point | >110°C (230°F) |
Odor | Unpleasant |
Quantity | 1 g |
Beilstein | 1719757 |
Sensitivity | Air sensitive |
Merck Index | 14,3376 |
Solubility Information | Soluble in water,ethanol,chloroform,diethyl ether,acetone,ether and ethyl acetate. |
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Safety and Handling

- 1,4-Dithio-DL-threitol
- Warning
- Acute toxicity Category 4
- Serious eye damage/eye irritation Category 2
- Skin corrosion/irritation Category 2
- Specific target organ toxicity Category 3
- H302-Harmful if swallowed.
- H315-Causes skin irritation.
- H319-Causes serious eye irritation.
- H335-May cause respiratory irritation.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P312-Call a POISON CENTER/doctor/if you feel unwell.
- P332+P313-If skin irritation occurs: Get medical advice/attention.
- P337+P313-If eye irritation persists: Get medical advice/attention.
- MIXTURE LIST-Contains : 1,4-Dithio-DL-threitol
RUO – Research Use Only
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