Structural formula
Business number | 03GU |
---|---|
Molecular formula | C4H5NO2 |
Molecular weight | 99.09 |
label |
Succinimide, 3,4-dihydropyrrole-2,5-dione, 3,4-Dihydropyrrole-2,5-dione, 2,5-Dioxopyrrolidine, 2,5-Diketopyrrolidine, aromatic compounds |
Numbering system
CAS number:123-56-8
MDL number:MFCD00005495
EINECS number:204-635-6
RTECS number:WN2200000
BRN number:108440
PubChem number:24899836
Physical property data
1. Properties: White oblique needle-like or flaky crystals. Virtually odorless. Sweet.
2. Melting point (℃): 123~125
3. Boiling point (℃, slightly decomposed): 285~290
4. Relative density (d 254): 1.418
5. Solubility: 1g product dissolves in 3ml cold water, 0.7ml boiling water, 24ml ethanol, 5ml 60°C ethanol, Insoluble in ether and chloroform.
6. Flash point (ºC): 201
Toxicological data
1. Acute toxicity: rat oral LD50: 14gm/kg; mouse oral LD50: 11gm/kg; mouse intravenous LDLO: 320mg/kg
Ecological data
None yet
Molecular structure data
1. Molar refractive index: 22.05
2. Molar volume (cm3/mol): 77.7
3. Isotonic specific volume (90.2K ): 199.1
4. Surface tension (dyne/cm): 43.0
5. Polarizability (10-24cm3): 8.74
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): -1
2. Number of hydrogen bond donors: 1
3. Number of hydrogen bond acceptors: 2
p>
4. Number of rotatable chemical bonds: 0
5. Number of tautomers: 5
6. Topological molecule polar surface area 46.2
7. Number of heavy atoms: 7
8. Surface charge: 0
9. Complexity: 105
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
1. This product is irritating. When using, avoidinhalation and avoid contact with skin.
2. Exists in flue-cured tobacco leaves and burley Tobacco leaves, oriental tobacco leaves, and mainstream smoke.
Storage method
Sealed and stored in a dry place
This product is packaged in a woven bag lined with plastic film.
Synthesis method
2. Tobacco: FC, 9, 18; BU ,OR,18.
Purpose
Test fluorine. Organic Synthesis. Plant growth hormone.