Product Name

  • Name

    CYCLOPENTANONE OXIME

  • EINECS 214-749-8
  • CAS No. 1192-28-5
  • Article Data77
  • CAS DataBase
  • Density 1.153 g/cm3
  • Solubility Slightly soluble in water
  • Melting Point 53-55 °C(lit.)
  • Formula C5H9NO
  • Boiling Point 195.999 °C at 760 mmHg
  • Molecular Weight 99.1326
  • Flash Point 92.222 °C
  • Transport Information UN 1325 4.1/PG 2
  • Appearance colorless to light beige granular powder
  • Safety 26-36/37/39-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 1192-28-5 (CYCLOPENTANONE OXIME)
  • Hazard Symbols IrritantXi
  • Synonyms NSC 3164;N-hydroxycyclopentanimine;
  • PSA 32.59000
  • LogP 1.39060

CYCLOPENTANONE OXIME Chemical Properties

Product Name: Cyclopentanone oxime (CAS NO.1192-28-5)


Molecular Formula: C5H9NO
Molecular Weight: 99.13g/mol
Mol File: 1192-28-5.mol
Einecs: 214-749-8
Appearance: Colorless to light beige granular powder
Melting Point: 53-55 °C(lit.)
Boiling point: 196 °C at 760 mmHg
Flash Point: 92.2 °C
Density: 1.15 g/cm3
Refractive index: 92
Surface Tension: 41.3 dyne/cm
Enthalpy of Vaporization: 47.64 kJ/mol
Vapour Pressure: 0.175 mmHg at 25°C
XLogP3-AA: 0.7
H-Bond Donor: 1
H-Bond Acceptor: 2
Product Categories: Pharmaceutical Intermediates

CYCLOPENTANONE OXIME Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 unreported 1200mg/kg (1200mg/kg) AUTONOMIC NERVOUS SYSTEM: "SMOOTH MUSCLE RELAXANT (MECHANISM UNDEFINED, SPASMOLYTIC)" Pharmaceutical Chemistry Journal Vol. 12, Pg. 227, 1978.

CYCLOPENTANONE OXIME Consensus Reports

Reported in EPA TSCA Inventory.

CYCLOPENTANONE OXIME Safety Profile

Moderately toxic by an unspecified route. Violent reaction when heated with 85% sulfuric acid. When heated to decomposition it emits toxic fumes of NOx.
Safety Information of Cyclopentanone oxime (CAS NO.1192-28-5):
Hazard Codes: Xi
Risk Statements: 36/37/38 
36:  Irritating to the eyes 
37:  Irritating to the respiratory system 
38:  Irritating to the skin 
Safety Statements: 26-36/37/39-36
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:  Wear suitable protective clothing  
37:  Wear suitable gloves 
39:  Wear eye/face protection

CYCLOPENTANONE OXIME Specification

 Cyclopentanone oxime ,its CAS NO. is 1192-28-5,the synonyms is Cyclopentan-1-one oxime ; Cyclopentanone oxime 97% ; n-Hydroxycyclopentan-1-imine ; Cyclopentanone oxime,99% .

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