NEMI Dye Intermediates N-Ethylmaleimide CAS NO 128-53-0 98%

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Certification:ISO9001:2008

NEMI   Dye Intermediates   N-Ethylmaleimide  CAS NO 128-53-0   98%

Quick Detail:

Name	NMEI	Appearance	White to light yellow crystalline powder
Assay:	≥98.0	Solubility(50 mg/ml Ethanol)	clear
Ph		MP	43-46 °C(lit.)

Description:

> Formula:C6H7NO2

> Weight:125.13

> Appearance: White to light yellow crystalline powder

> MP:43-46 °C(lit.)(MP) 210 °C(lit.)(BP)

> Storage: 2-8℃,in dark place

> Safety Description:S26

> Danger Description:R21 R28 R34

> Danger Symbol:T

1. Applications

A. NEMI is usually used as covalent modification reagent of cysteine residues of protein.

B. NEMI is also used as thiol alkylation reagents.

C. NEMI is also used to increase in sympathetic neurons from M-channel current.

2. Locations

A biochemistry/chemistry laboratory, pharmaceutical and materials factory.

3. Note

NEMI is stored in shady, dry and dark place at 2-8℃.

Specifications

Assay	≥98.0
MP	43-46 °C(lit.)
Ph
Carbon
Nitrogen
Shelf life	one year

Synonyms:

1-ethyl-1h-pyrrole-5-dione;5-dione,1-ethyl-1H-Pyrrole-2;ethvlmaleimide;Ethylmaleimide;Maleic acid N-ethylimide;maleicacidn-ethylimide;Maleimide, N-ethyl-;n-ethvlmaleimide;NEM; N-Ethylmaleimide, (NEM); 1-Ethyl-1H-pyrrole-2,5-dione~NEM; 1-ethyl-1H-pyrrole-2,5-dione

Related categories:

N-Substituted Maleimides;N-Substituted Maleimides, Succinimides &Phthalimides;Amines;Heterocycles;Life Science Chemical Reagents

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Determination of melting point

   Instrument:

   Micro melting point apparatus WRS-2A, Melting point tubes

  Determination of step:

Open switch, stable 20min.

First set the starting temperature than the melting point of the low 10 ℃, heating rate 2 ℃ / min.

The sample was grind as fine as possible and load in a clean, dry melting point pipe ,until the sample was compressed into about 1cm high .When the actual temperature reaches the set temperature and stabilized . Inserted into the capillary with the sample, the simultaneous determination of three.

The determination of solubility

Weigh a certain amount of samples into test tube, add a certain amount of water, shake and dissolve, observe the solution.