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DL-Dithiothreitol Structure

DL-Dithiothreitol

Chemical Properties

Melting point 41-44 °C(lit.)
Boiling point 125 °C
alpha  -0.2~+0.2°(20℃/D)(c=5,H2O)
Density  1.04 g/mL at 20 °C
vapor density  5.3 (vs air)
vapor pressure  0.019-0.29Pa at 20-50℃
refractive index  1.5200 (estimate)
Flash point >230 °F
storage temp.  -20°C (or 4°C short term).
solubility  H2O: 50 mg/mL, clear, colorless
form  Powder
pka pK1:8.9 (25°C)
color  White
PH 4.0-6.0 (20-25℃, 0.1m in H2O)
Odor Unpleasant Odor
PH Range 4 - 6 at 15,4 g/l at 25 °C
Water Solubility  freely soluble
λmax λ: 260 nm Amax: 0.400
λ: 280 nm Amax: 0.100
Sensitive  Air Sensitive
Merck  14,3376
BRN  1719757
Stability Stability Stable, but heat sensitive. Incompatible with strong oxidizing agents. Keep frozen at -20 to -10 C.
InChIKey VHJLVAABSRFDPM-UHFFFAOYSA-N
LogP 0.07 at 25℃ and pH5
CAS DataBase Reference 3483-12-3(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII T8ID5YZU6Y
NIST Chemistry Reference 2,3-Butanediol, 1,4-dimercapto-, (r*,r*)-(3483-12-3)
EPA Substance Registry System 1,4-Dithiothreitol (3483-12-3)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H302-H315-H318
Precautionary statements P264-P270-P280-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  Xn
Risk Statements  25-36/37/38-22-20/21/22
Safety Statements  26-45-37/39-36
RIDADR  UN 3335
WGK Germany  3
RTECS  EK1610000
3-10-16-23
TSCA  Yes
HS Code  29309099
Hazardous Substances Data 3483-12-3(Hazardous Substances Data)
NFPA 704:
1
2 1

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DL-Dithiothreitol Chemical Properties,Usage,Production

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