Uracil Uracil

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:66-22-8

MDL number:MFCD00006016

EINECS number:200-621-9

RTECS number:YQ8650000

BRN number:606623

PubChem number:24900618

Physical property data

1. Properties: white or light yellow needle-like crystals

2. Density (g/mL, 25/4℃): Uncertain

3. Relative vapor density ( g/mL, air=1): Uncertain

4. Melting point (ºC): >300(lit.)

5. Boiling point (ºC, normal pressure): Uncertain

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

7. Refractive index: Uncertain

8. Flash point (ºC): Uncertain

9. Specific rotation (º): Uncertain

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

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

12. Saturated vapor pressure (kPa, 60ºC): Uncertain

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

14. Critical temperature (ºC): Uncertain

15. Critical pressure (KPa): Uncertain

16. Oil-water (octanol/water) partition coefficient Log value: Uncertain

17. Explosion upper limit (%, V/V): Uncertain

18. Explosion lower limit (%, V/V): Uncertain

19. Solubility: easily soluble in hot water, soluble in dilute ammonia, slightly soluble in cold water, insoluble in ethanol and ether

Toxicological data

None yet

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 25.00

2. Molar volume (cm³/mol): 84.8

3. Isotonic specific volume (90.2K ): 215.0

4. Surface tension (dyne/cm): 41.3

5. Polarizability (10^-24cm³): 9.91

Compute chemical data

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

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 9

6. Topological molecular polar surface.��58.2

7. Number of heavy atoms: 8

8. Surface charge: 0

9. Complexity: 161

10. Number of isotope atoms: 0

11. Number of determined atomic stereocenters: 0

12. Number of uncertain atomic stereocenters: 0

13 .Determined number of stereocenters of chemical bonds: 0

14. Uncertain number of stereocenters of chemical bonds: 0

15. Number of covalent bond units: 1

Properties and stability

None yet

Storage method

This product should be kept sealed and dry. ​

Synthesis method

Produced by the reaction of malic acid, sulfuric acid and urea.

Purpose

Biochemical research. ​