aziridine
This is the primary chemical detail page for aziridine · CAS 151-56-4. The verified molecular formula is C2H5N. 100 searchable synonyms resolve back to this record. Use this page as the main reference for identifiers, naming variants, and supplier-linked context.
Overview
Key identifiers
- CAS No.
- 151-56-4
- Primary name
- aziridine
- Formula
- C2H5N
Record status
Added Apr 3, 2026 · Updated Apr 3, 2026
Properties
- Molecular formula
- C2H5N
Safety
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About this chemical
This page represents the primary record for aziridine with CAS Registry Number 151-56-4. The molecular formula is C2H5N. This chemical may be referenced by 100 different names or synonyms.
Primary identifiers: English name · CAS · Molecular formula (when available). Synonym and alternate-name pages all resolve back to this record.
Synonyms and naming
Chemicals are often known by multiple names depending on context, industry, or language. This entry includes 100 searchable synonyms. Alternate-name landing pages, where present, all resolve back to this main record.
Use the synonym list below as naming context; keep this chemical detail page as the primary reference.
Formula status
The molecular formula C2H5N for this substance is verified. This identifier has been confirmed to accurately represent the chemical composition.
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Synonyms
Common & readable names (80)
- ETHYLENEIMINE
- Ethylenimine
- 151-56-4
- Azacyclopropane
- Dimethyleneimine
- Dihydroazirene
- Azirane
- Aziran
- Aethylenimin
- Dihydroazirine
- Ethyleenimine
- Aziridin
- Etilenimina
- Dihydro-1H-azirine
- 1H-Azirine, dihydro-
- Dimethylenimine
- RCRA waste number P054
- ENT-50324
- TL 337
- 54P5FEX9FH
- CHEBI:30969
- RefChem:596749
- DTXCID00599
- 205-793-9
- Ethylene imine
- PEI-600
- 49553-93-7
- Ethylene imine polymer
- Poly(ethyleneimine) solution
- Aziridin [German]
- EI
- PEI
- Aethylenimin [German]
- Ethyleenimine [Dutch]
- Etilenimina [Italian]
- PEI 600
- Dow PEI-6
- Dow PEI-600e
- Dow PEI-18
- CCRIS 296
- HSDB 540
- EINECS 205-793-9
- RCRA waste no. P054
- BRN 0102380
- AI3-50324
- Polyethylenimine Linear
- Ethyleneimine, inhibited
- Polyethylenimine, linear
- AZIRIDINE [IARC]
- ETHYLENIMINE [MI]
- EC 205-793-9
- POLYETHYLENE GLYCOL)
- SCHEMBL2267
- SCHEMBL4070
- ETHYLENEIMINE [HSDB]
- WLN: /T3MTJ/
- 5-20-01-00003 (Beilstein Handbook Reference)
- UN 1185 (Salt/Mix)
- SCHEMBL166032
- CHEMBL540990
- SCHEMBL1312383
- SCHEMBL7475870
- SCHEMBL15875039
- POLYETHYLENEIMINE, BRANCHED
- ethyleneimine;aziridine;ethylenimine
- STR07159
- STL168030
- Aziridine 100 microg/mL in Methanol
- AKOS005366671
- Polyethylenimine, Linear (MW 25000)
- DA-76977
- CS-0058423
- Polyethylenimine Linear (MW 40000, liquid)
- Polyethylenimine,50 % (w/v) aqueous solution
- Ethyleneimine, inhibited [UN1185] [Poison]
- InChI=1/C2H5N/c1-2-3-1/h3H,1-2H
- Polyethylenimine, Linear (MW 25000, liquid)
- Poly(ethyleneimine) solution (50% water solution)
- Q409141
- Aziridine (Ethyleneimine), stabilized with 1-2% NaOH
Registry & reference names (20)
- DTXSID8020599
- C2H5N
- P 1000
- UN1185
- UNII-54P5FEX9FH
- MFCD00039669
- MFCD00803910
- NSC124034
- NSC124035
- NSC124036
- NSC134422
- NSC196335
- NSC-124034
- NSC-124035
- NSC-124036
- NSC-134422
- NSC-196335
- FP106457
- SY010882
- NS00007110
Related Chemicals
Same formula
Chemicals with same formula (C2H5N)
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