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Substance
ID:181142
Structure
Similarity
Functional Group
Text
ID:1466
DL-Dithiothreitol
Sigma Aldrich
ID: D9163
Names and Identifiers
IUPAC name
(2S,3S)-1,4-disulfanylbutane-2,3-diol
Synonyms
DTT
克莱兰氏试剂
DL-二硫苏糖醇
1,4-二巯基苏糖醇
DL-Dithiothreitol
IUPAC Traditional name
dithiothreitol
Registration numbers
MDL Number
MFCD00004877
Beilstein Number
1719757
CAS Number
3483-12-3
EC Number
222-468-7
PubChem SID
24894266
Properties
Physical Property
Flash Point
235.4 °F
113 °C
Melting Point
41-44 °C(lit.)
40-44 °C
Absorption Wavelength
A0.02M/280 ≤0.04
Safety Information
GHS Hazard statements
H302
-
H315
-
H319
-
H335
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Risk Statements
22
-
36/37/38
RTECS
EK1610000
German water hazard class
3
GHS Precautionary statements
P261
-
P305+P351+P338
Storage Temperature
2-8°C
GHS Signal Word
Warning
European Hazard Symbols
Harmful (Xn)
Safety Statements
26
-
36
Product Information
Purity
≥99%
Grade
for electrophoresis
Cation Traces
heavy metals (as Pb): ≤10 ppm
Molecule Details
Analysis Note
针对用于还原 SDS-PAGE 进行了测试
Application
用于将 -SH 基保持在还原态的绝佳试剂;定量还原二硫化物。在 SDS-PAGE 前,DTT 在样品缓冲液中可有效还原蛋白二硫键。DTT 还可用于还原交联剂 N,N′-双(丙烯酰)胱胺的二硫键桥以分解聚丙烯酰胺凝胶基质。DTT 的刺激性和毒性都低于 2-巯基乙醇。通常,使用 DTT (100mM) 所需的浓度是使用 2-巯基乙醇 (5% v/v, 700mM) 的浓度的七分之一。
Molecular Spectra
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Molecule Details
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