m
morpholine
Chemical compound
Also known as diethylene imidoxide · diethylene oximide · tetrahydro-1,4-oxazine · tetrahydro-p-oxazine
- Formula
- C₄H₉NO
1
- C₄H₉NO
- Mass
- 87.068 Da
1
- 87.068 Da
- Melting point
- -4.8°C
1
- , -4.9°C
- , -5°C
2
Sources- 1.Stated in Jean-Claude Bradley Open Melting Point Dataset
- 2.Stated in GESTIS database“Morpholine”Retrieved 2024-09-04
- +1 more
- -4.8°C
- Boiling point
- 128.2°C
1
- , 128°C
- , 264°F
- 128.2°C
- Density
- 1.0005 g/cm³
1
- , 1.007 g/cm³
- 1.0005 g/cm³
- Solubility
- unknown
2
Sources- 1.Stated in CRC Handbook of Chemistry and Physics (97th edition)
- 2.Stated in GESTIS database“Morpholine”Retrieved 2024-09-04
- , unknown
1
- , unknown
1
- +3 more
- unknown
Overview
Chemistry
All data
107 statements · 69% with external sources · numbers in brackets are citations
- Immediately dangerous to life or health
- 4,984 milligram per cubic metre
- Lower flammable limit
- 1.4 volume percent
- 1.8 volume percent
1
- Upper flammable limit
- 11.2 volume percent
- 15.2 volume percent
1
- Time-weighted average exposure limit
- 70 milligram per cubic metre applies to jurisdiction: United States · runtime: 8 h · route of administration: skin absorption
- Short-term exposure limit
- 105 milligram per cubic metre applies to jurisdiction: none · runtime: 15 min · route of administration: skin absorption
- PKa
- 8.36 temperature: unknown
1
- 8.5 temperature: 25°C
1
- 8.36 temperature: unknown
- Canonical SMILES
- C1COCCN1
1
- C1COCCN1
- Safety classification and labelling
- NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response nfpa health: 3 · nfpa fire: 3 · nfpa instability: 1
1
- NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response nfpa health: 3 · nfpa fire: 3 · nfpa instability: 1
- Has characteristic
- Class IC flammable liquid
- hygroscopy
2
Sources- 1.Stated in CRC Handbook of Chemistry and Physics (97th edition)
- 2.Stated in GESTIS database“Morpholine”Retrieved 2024-09-04
- Electric dipole moment
- 1.55 debye
- 1.55 debye uncertainty corresponds to: 2 sigma
1
- Refractive index
- 1.4548 temperature: 20°C · wavelength: 589 nm
1
- 1.4548 temperature: 20°C · wavelength: 589 nm
- Partition coefficient water/octanol
- -0.86 temperature: unknown
1
- -0.86 temperature: unknown
- Median lethal dose (LD50)
- 1,738 milligram per kilogram route of administration: oral administration · applies to taxon: laboratory rat
1
- 500 milligram per kilogram route of administration: transdermal administration · applies to taxon: rabbit
1
- 1,738 milligram per kilogram route of administration: oral administration · applies to taxon: laboratory rat
- Ionization energy
- 8.2 eV
- 8.88 eV
- Vapor pressure
- 10.7 hectopascal temperature: 20°C
1
- 6 millimetre of mercury temperature: 68°F
- 1.34 kilopascal temperature: 25°C
1
- 16 hectopascal temperature: 30°C
1
- 51.7 hectopascal temperature: 50°C
1
- 10.7 hectopascal temperature: 20°C
- Flash point
- 31°C
1
- 98°F
- 37°C
1
- 31°C
- Autoignition temperature
- 275°C
1
- 290°C
1
- 275°C
On other databases
42 identifiers linking morpholine across the web's reference databases
- CAMEO Chemicals ID1150
- CAS Registry Number110-91-8
- ChEBI ID34856
- ChEMBL IDCHEMBL276518
- ChemSpider ID13837537
- DrugBank IDDB13669
- DSSTOX compound identifierDTXCID305688
- DSSTox substance IDDTXSID2025688
- EC number203-815-1
- ECHA Substance Infocard ID100.003.469
- Encyclopædia Britannica Online IDscience/morpholine
- Freebase ID/m/05rzjd
- Gmelin number1803
- Google Knowledge Graph ID/g/122qy72p
- Great Russian Encyclopedia portal IDmorfolin-216c50
- HSDB ID102
- Human Metabolome Database IDHMDB0031581
- ICSC ID0302
- InChIInChI=1S/C4H9NO/c1-3-6-4-2-5-1/h5H,1-4H2
- InChIKeyYNAVUWVOSKDBBP-UHFFFAOYSA-N
- KEGG IDC14452
- MassBank accession IDMSBNK-CASMI_2016-SM836501
- Microsoft Academic ID (discontinued)2781056017
- NL CR AUT IDph115350
- NMRShiftDB structure ID10016069
- NSC number9376
- OpenAlex IDC2781056017
- OSHA Occupational Chemical Database ID120
- PDB ligand ID6LR
- PDB structure ID5JO0
- PesticideInfo chemical IDPRI4278
- Probes And Drugs IDPD122280
- PubChem CID8083
- Reaxys registry number102549
- RTECS numberQD6475000
- RxNorm CUI1368870
- SPLASHsplash10-000i-9000000000-ef7788592c659129990d
- SureChEMBL ID18434
- UM-BBD compound IDc1329
- UniChem compound ID101397
- UNII8B2ZCK305O
- ZVG number25520