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Azetidine

HCID 10422
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
503-29-7
Standard SMILES
C1CNC1
InChIKey
HONIICLYMWZJFZ-UHFFFAOYSA-N
Molecular formula
C3H7N
Average molar mass
57.09 g/mol
Monoisotopic mass
57.05784923

Overview

Azetidine is a saturated organic heteromonocyclic parent, an azacycloalkane and a member of azetidines.

Names & identifiers

Preferred name
Azetidine
IUPAC
azetidine
English name
Azetidine
Molecular formula
C3H7N
Molecular weight
57.09

Names & synonyms

AZETIDINE503-29-7AzacyclobutaneTrimethylenimine1,3-Propylenimine37S883XDWRDTXSID8060117CHEBI:30968RefChem:560501DTXCID7040813207-963-8Trimethylene imine
Show more names
AztidineAZETIDINE 99%Azetidine,98%Azetidine ,95%tetrahydroazete
Azetidine, L-AcetidineAzetidinMFCD00005165Azete, tetrahydro-TrimethyleneimineAzetidine, 98%AI3-61395

Database identifiers

CAS
503-29-7
PubChem CID
10422
DTXSID
DTXSID8060117
ChEMBL
CHEMBL2171713
ChEBI
CHEBI:30968
UNII
37S883XDWR
EC Number
207-963-8
Nikkaji
J79.636K

Properties

Computed structural properties

XLogP
-0.1
Topological polar surface area
12 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
1
Rotatable bonds
0
Heavy atoms
4
Formal charge
0
Complexity
17.2

Experimental & physicochemical properties

SpringerMaterials Properties15N nuclear magnetic resonance spectrum
Dissociation Constants11.3

Physicochemical properties

Melting point
-70 °C · -70°C
Boiling point
61 · 61-62 °C(lit.)
Density
0.847 g/mL · 0.847 g/mL at 25 °C(lit.)
refractive index
20 · n20/D 1.432(lit.)
Flash point
5 °F · −5 °F
storage temp.
30 °C · Store below +30°C.
pka
11.29 · 11.29(at 25℃)
form
Liquid
color
Clear colorless
Water Solubility
miscible
Sensitive
Moisture Sensitive/Air Sensitive
BRN
102384 · 102384

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Danger

H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 42 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory InformationAzetidine: HSNO Approval: HSR004353 Approved with controls
Hazard Classes and CategoriesFlam. Liq. 2 (100%)

Safety data

F
2-10
PPE
Faceshields, Gloves, Goggles
wgk
3
tsca
TSCA listed
ridadr
UN 2733 3/PG 2
hs_code
29339990
risk_code
11-34
Signal word
Danger
Symbol(GHS)
GHS02,GHS05
hazard_code
F,C
safety_code
16-26-36/37/39-45
hazard_class
3.1
Storage Class
3 - Flammable liquids
packing_group

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationAzetidine: ACTIVE
Applications · 3 items

Usessuzuki reaction

UsesAzetidine is involved in a high yielding palladium-catalyzed cross-coupling reaction with aryl bromides. Further, it is used in Ullmann type coupling reaction with iodonitroflourenes. In addition to this, it reacts with bis-(3-amino-propyl)-amine to prepare N,N'-bis-(3-amino-propyl)-propanediyldiamine using palladium as a catalyst.

General DescriptionPhototransformations of azetidine radical cations in freonic matrices under the action of light with λ = 436nm has been investigated. The IR spectrum of azetidine in solid argon matrices has been measured.

Upstream & downstream products

Upstream raw materials

Malononitriletert-Butyl methyl etherPotassium hydroxideSodium chloride3,3-Dimethylallyl bromidePotassium carbonatePalladiumMethanesulfonyl chlorideBenzyl bromideDiethyl etherMethyl trimethylacetate

Related reactions

762 records
New reaction record
HRID 431 reaction equation
HRID 431As reactant750 AstraZeneca ELN dataset
HRID 4860 reaction equation
HRID 4860As reactantuspto-grants-1988_02
HRID 4861 reaction equation
HRID 4861As reactantuspto-grants-1988_02
HRID 4863 reaction equation
HRID 4863As reactantuspto-grants-1988_02
HRID 4865 reaction equation
HRID 4865As reactantuspto-grants-1988_02
HRID 18069 reaction equation
HRID 18069As reactantuspto-grants-2010_06
HRID 20584 reaction equation
HRID 20584As reactantuspto-grants-2010_06
HRID 29536 reaction equation
HRID 29536As reactantuspto-grants-2008_09
Page 1 of 96

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Henry's Law Constant
4.8 · 4.8×100 mol/(m3Pa) at 25℃, Ebert et al. (2023)
InChI
1S/C3H7N/c1-2-4-3-1/h4H,1-3H2
InChIKey
HONIICLYMWZJFZ-UHFFFAOYSA-N
SMILES
C1CNC1
CAS DataBase Reference
503 · 503-29-7(CAS DataBase Reference)
FDA UNII
37 S883XDWR · 37S883XDWR
NIST Chemistry Reference
Azetidine(503-29-7)
EPA Substance Registry System
Azetidine (503-29-7)
UNSPSC Code
12352100 · 12352100
NACRES
22 · NA.22
Symbol(GHS)
2 · GHS02,GHS05
Signal word
Danger
Hazard statements
225 · H225-H314
Precautionary statements
210 · P210-P233-P240-P280-P303+P361+P353-P305+P351+P338
PPE
Faceshields, Gloves, Goggles
Hazard Codes
F,C
Risk Statements
11 · 11-34
Safety Statements
16 · 16-26-36/37/39-45
RIDADR
2733 · UN 2733 3/PG 2
WGK Germany
3 · 3
F
2 · 2-10
TSCA
TSCA listed
HazardClass
3.1 · 3.1
PackingGroup
I
HS Code
29339990 · 29339990
Storage Class
3 · 3 - Flammable liquids
Hazard Classifications
1 Flam · Eye Dam. 1Flam. Liq. 2Skin Corr. 1B
I
Hazard statements
H225-H314
Hazard Classifications
Eye Dam. 1Flam. Liq. 2Skin Corr. 1B
Precautionary statements
P210-P233-P240-P280-P303+P361+P353-P305+P351+P338
Benzhydrylamine
Hydrochloric acid
Hydrogen
Dichloromethane
Methanol
Sodium hydroxide
Epichlorohydrin
1-Bromo-3-chloropropane
3-Aminopropanol
1-Butanol
1,2-Dimethoxyethane
Petroleum ether
HEAVY DISTILLATE
Sulfuric acid
o-Phenylenediamine

Downstream products

Aztreonam

Additional notes

DefinitionChEBI: Azetidine is a saturated organic heteromonocyclic parent, a member of azetidines and an azacycloalkane.