128-53-0|N-EthylmaleimideProducts Supply - Chemical intermediates Network

N-Ethylmaleimide cas no:128-53-0

Synonyms: NEM; N-Ethylmaleimide, (NEM); 1-Ethyl-1H-pyrrole-2,5-dione~NEM

Identification

NameN-Ethylmaleimide
CAS128-53-0
SynonymsNEM; N-Ethylmaleimide, (NEM); 1-Ethyl-1H-pyrrole-2,5-dione~NEM
EINECS(EC#)204-892-4
Molecular FormulaC6H7NO2
Molecular Weight125.12

Chemical Properties

AppearanceWhite solid
refractive index1.514
storage temp2-8°C

Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)

Hazardclass6.1

Safety Data

Hazard T+:Verytoxic;
Risk R20/21;R28;R34;R43
Safety

Poison by intraperitoneal route. Human mutation data reported. Vapors are highly irritating. When heated to decomposition it emits toxic fumes of NO_x.
Hazard Codes: T+ Very
Risk Statements: 21-28-34-43-20/21
R21:Harmful in contact with skin.
R28:Very toxic if swallowed.
R34:Causes burns.
R43:May cause sensitization by skin contact.
R20/21:Harmful by inhalation and in contact with skin.
Safety Statements: 26-28-36/37/39-45-28
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S28:After contact with skin, wash immediately with plenty of soap-suds.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
R45:May cause cancer.
R28:Very toxic if swallowed.
RIDADR: UN 2928 6.1/PG 2
WGK Germany: 3
RTECS: UX9625000
F: 19
HazardClass: 6.1
PackingGroup: II

Toxicity

1.	dni-hmn:oth 6 µmol/L	CNREA8 Cancer Research. 40 (1980),1414.
2.	dni-mus:oth 300 µmol/L	BBRCA9 Biochemical and Biophysical Research Communications. 106 (1982),1448.
3.	dni-mus:oth 6 µmol/L	CNREA8 Cancer Research. 40 (1980),1414.
4.	dni-ham:lng 750 nmol/L	32YWA5 Radiation Research, Biomedical, Chemical, and Physical Perspectives ,Nygaard, O.F., et al., ed.,New York, NY.: Academic,1975,742.
5.	ipr-rat LDLo:17 mg/kg	JMCMAR Journal of Medicinal Chemistry. 15 (1972),534.
6.	ipr-mus LD50:25 mg/kg	NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) No. AD277-689 .

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N-Ethylmaleimide cas no:128-53-0

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