N-methyl-N-nitrosourea

Structural formula

• Numbering system
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

Numbering system

CAS number:684-93-5

MDL number:MFCD00014794

EINECS number:211-678-4

RTECS number:YT7875000

BRN number:None

PubChem number:24897498

Physical property data

1. Character:.

2. Density (g/mL,25/4℃):

3. Relative vapor density (g/mL, Air=1): Undetermined

4. Melting point (ºC):

5. Boiling point (ºC,Normal pressure):

6. Boiling point (ºC,5.2kPa): Undetermined

7. Refractive index: Undetermined

8. Flash Point (ºC): Undetermined

9. Specific optical rotation (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Undetermined

11. Vapor pressure (kPa,25ºC): Undetermined

12. Saturated vapor��（kPa,60ºC ): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Oil and water (octanol/Logarial value of the partition coefficient of water: undetermined

17.Explosion limit (%,V/V): Undetermined

18. Lower explosion limit (%,V/V): Undetermined

19. Solubility:.

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index:22.20

2. Molar Volume（m³/mol)：70.2

3. isotonic ratio（90.2K）： 196.4

4. Surface tension（dyne/cm）：61.1

5. Dielectric constant:

6. Dipole moment（10^-24cm³） ：

7. Polarizability:8.80

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 2

6. Topological molecule polar surface area 75.8

7. Number of heavy atoms: 7

8. Surface charge: 0

9. Complexity: 90.9

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

None

Synthesis method

It is prepared by boiling methylamine, concentrated hydrochloric acid, water and urea, cooling and reacting with sodium hydroxide.

Purpose

Intermediate of dexamethasone acetate. Laboratory used to produce diazomethane.