
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.

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