4814-74-8

Name N-Hydroxymaleimide
CAS 4814-74-8
EINECS(EC#) 225-385-4
Molecular Formula C4H3NO3
MDL Number MFCD00005501
Molecular Weight 113.07
MOL File 4814-74-8.mol
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Chemical Properties

Appearance yellow to brown crystalline powder
Melting point  130-133 °C (dec.) (lit.)
Boiling point  211.74°C (rough estimate)
density  1.5808 (rough estimate)
refractive index  1.4543 (estimate)
storage temp.  2-8°C
form  solid
pka 6.44±0.20(Predicted)
BRN  1524594
Major Application peptide synthesis
InChI 1S/C4H3NO3/c6-3-1-2-4(7)5(3)8/h1-2,8H
InChIKey BUXKULRFRATXSI-UHFFFAOYSA-N
SMILES ON1C(=O)C=CC1=O
CAS DataBase Reference 4814-74-8(CAS DataBase Reference)

Safety Data

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
Hazard Codes  C
Risk Statements 
R34:Causes burns.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 3261 8/PG 3
WGK Germany  3
F  10-21
HazardClass  8
PackingGroup  III
HS Code  29310099
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Eye Dam. 1
Skin Corr. 1B

Hazard Information

Material Safety Data Sheet(MSDS)

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