Structural formula
Business number | 07AK |
---|---|
Molecular formula | C5H7NO3 |
Molecular weight | 129.11 |
label |
dimethyldione, Dimethadione, sensitizer, Heterocyclic compounds |
Numbering system
CAS number:695-53-4
MDL number:MFCD00005379
EINECS number:211-781-4
RTECS number:RP9100000
BRN number:113541
PubChem number:24894144
Physical property data
1. Characteristics: Crystal.
2. Density (g/mL,25/4℃): Undetermined
3. Relative vapor density (g/mL,AIR=1): Undetermined
4. Melting point (ºC): 77-80
5. Boiling point (ºC,Normal pressure): Undetermined
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 pressure (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/Log value of the partition coefficient of water: undetermined
17. Explosion limit (%,V/V): Undetermined
18. Lower explosion limit (%,V/V): Undetermined
19. Solubility: Undetermined .
Toxicological data
1, acute toxicity: Mouse (peritoneal) LD50: 850 mg/kg
Since the LD50 of table salt is 3,000 mg/kg, BPA is The degree of acute toxicity is the same as that of table salt.
Ecological data
Do not let this product come into contact with groundwater, waterways and sewage systems.
Molecular structure data
1. Molar refractive index: 28.37 2. Molar volume(m3/mol):107.2 3. isotonic ratio(90.2K):255.8 4. Surface Tension(dyne/cm):32.4 5. Dielectric constant: 6. Dipole moment(10-24cm3) : 7. Polarizability: 11.24
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): 0.1
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: 3
6. Topological molecule polar surface area 55.4
7. Number of heavy atoms: 9
8. Surface charge: 0
9. Complexity: 173
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
Keep away from oxides.
Storage method
Store in an airtight container and place Store in a cool, dry place. Store away from oxidizing agents.
Synthesis method
None yet
Purpose
has a wide range of uses in industry, Mainly used to prepare various resins, coatings, fungicides, plasticizers and drugs. Sensitizer. Intracellular ofpHDetermination. Anticonvulsants.