Basic information
- CAS
4814-74-8- Standard SMILES
O=C1C=CC(=O)N1O- InChIKey
BUXKULRFRATXSI-UHFFFAOYSA-N- Molecular formula
- C4H3NO3
- Average molar mass
- 113.07 g/mol
- Monoisotopic mass
- 113.01129296
Names & identifiers
- Preferred name
- 1-hydroxy-1H-pyrrole-2,5-dione
- IUPAC
- 1-hydroxypyrrole-2,5-dione
- English name
- N-Hydroxymaleimide
- Molecular formula
- C4H3NO3
- Molecular weight
- 113.07
Names & synonyms
N-Hydroxymaleimide1-Hydroxy-1H-pyrrole-2,5-dioneEINECS 225-385-4DTXSID50197434RefChem:75955DTXCID60119925225-385-44814-74-81-hydroxypyrrole-2,5-dione1-hydroxy-2,5-dihydro-1h-pyrrole-2,5-dioneMFCD00005501N-Hydroxymaleimide, 97%
Show more names
N-HYDROXYMALEAMINEN-Hydroxymaleimide,97%N-Hydroxymaleimide 95%1-Hydroxy-1H-pyrrol-2,5-dion1-Hydroxy-3-pyrroline-2,5-dione
Z9R45QGB9YA827481SCHEMBL43426MALEIMIDE, N-HYDROXY-SCHEMBL286766211H-Pyrrole-2,5-dione, 1-hydroxy-AKOS015909743AS-81236
Database identifiers
- CAS
4814-74-8- PubChem CID
- 78535
- DTXSID
DTXSID50197434- UNII
- Z9R45QGB9Y
- EC Number
- 225-385-4
- Nikkaji
- J262.475C
Properties
Computed structural properties
- XLogP
- -1
- Topological polar surface area
- 57.6 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 0
- Heavy atoms
- 8
- Formal charge
- 0
- Complexity
- 154
Physicochemical properties
- Melting point
- 130 · 130-133 °C (dec.) (lit.)
- Boiling point
- 211.74 °C · 211.74°C (rough estimate)
- Density
- 1.5808 · 1.5808 (rough estimate)
- refractive index
- 1.4543 · 1.4543 (estimate)
- storage temp.
- 2 · 2-8°C
- pka
- 6.44 · 6.44±0.20(Predicted)
- form
- solid
- Appearance
- Light yellow to brown Solid
- BRN
- 1524594 · 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 · 4814-74-8(CAS DataBase Reference)
- UNSPSC Code
- 12352005 · 12352005
- NACRES
- 22 · NA.22
- Symbol(GHS)
- 5 · GHS05
- Signal word
- Danger
- Hazard statements
- 314 · H314
- Precautionary statements
- 260 · P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
- PPE
- 3 · Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
- Hazard Codes
- C
- Risk Statements
- 34 · 34-20/21/22
- Safety Statements
- 26 · 26-36/37/39-45
- RIDADR
- 3261 · UN 3261 8/PG 3
- WGK Germany
- 3 · 3
- F
- 10 · 10-21
- HazardClass
- 8 · 8
- PackingGroup
- III
- HS Code
- 29310099 · 29310099
- Storage Class
- 8 A · 8A - Combustible corrosive hazardous materials
- Hazard Classifications
- 1 Skin · Eye Dam. 1Skin Corr. 1B
Safety & regulation
GHS classification
GHS Classification
Danger
H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 39 reports by companies from 2 notifications to the ECHA C&L Inventory.
Hazard information
Hazard Classes and CategoriesSkin Corr. 1B (100%)
Safety data
- F
- 10-21
- PPE
- Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
- wgk
- 3
- ridadr
- UN 3261 8/PG 3
- hs_code
- 29310099
- risk_code
- 34-20/21/22
- Signal word
- Danger
- Symbol(GHS)
- GHS05
- hazard_code
- C
- safety_code
- 26-36/37/39-45
- hazard_class
- 8
- Storage Class
- 8A - Combustible corrosive hazardous materials
- packing_group
- III
- Hazard statements
- H314
- Hazard Classifications
- Eye Dam. 1Skin Corr. 1B
- Precautionary statements
- P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
Chemistry & industry
Applications
UsesN-Hydroxymaleimide (cas# 4814-74-8) is a compound useful in organic synthesis.
Suppliers52 total
湖北永阔科技有限公司027-59223108 15972152991 · [email protected]
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Related reactions
2 records
Compound notes
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