Substance

ID:177584

Names and Identifiers
IUPAC Traditional name
N-ethylmaleimide
IUPAC name
1-ethyl-2,5-dihydro-1H-pyrrole-2,5-dione
Synonyms
NEMN-EthylmaleimideN-乙基马来酰亚胺
Registration numbers
MDL Number
CAS Number
EC Number
Beilstein Number
PubChem SID
Properties
Safety Information
GHS Pictograms
GHS05
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
GHS06
Acute toxicity (oral, dermal, inhalation), categories 1,2,3
Safety Statements
26-28-36/37/39-45
Personal Protective Equipment
Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Packing Group
2
German water hazard class
3
GHS Precautionary statements
P264-P280-P301+P310-P305+P351+P338-P310
Storage Temperature
2-8°C
RTECS
UX9625000
UN Number
2928
GHS Signal Word
Danger
European Hazard Symbols
Highly toxic Highly toxic (T+)
RID/ADR
UN 2928 6.1/PG 2
Risk Statements
21-28-34-43
Hazard Class
6.1
GHS Hazard statements
H300-H311-H314-H317
Physical Property
Melting Point
43-46 °C(lit.)
Apperance
crystalline
Flash Point
163.4 °F
73 °C
Boiling Point
210 °C(lit.)
Product Information
Quality Level
PREMIUM
Purity
≥98% (HPLC)
Pharmacology Properties
Gene Information
human ... KCNQ2(3785), KCNQ4(9132), KCNQ5(56479), SLC6A3(6531), SLC6A4(6532)
Molecule Details
Application
用于共价修饰蛋白质的半胱氨酸残基的试剂。
Biochem/physiol Actions
使 NADP 依赖性异柠檬酸脱氢酶和许多核酸内切酶失活的巯基烷化剂。
增强来自交感神经元的原生 M 通道的电流,并作为 KCNQ2、KCNQ4 和 KCNQ5 通道的开放剂。
Preparation Note
NEM 以 50mg/ml 的浓度溶于乙醇可得到透明的溶液。NEM 可溶于水(在 4ml 水中的溶解量 >50mg);然而,水溶液却不稳定。水解速率为假一级,并显著依赖于 pH 值。
Molecular Spectra
No Data Available
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References
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