
structural formula
| business number | 0528 |
|---|---|
| molecular formula | c11h8o3 |
| molecular weight | 188.10 |
| label |
5-hydroxy-2-methyl-1,4-naphthoquinone |
numbering system
cas number:481-42-5
mdl number:mfcd00001682
einecs number:207-569-6
rtecs number:ql8500000
brn number:none
pubchem number:24898833
physical property data
1. character: undetermined
2. density (g/ m3,25/4℃): undetermined
3. relative vapor density ( g/cm3,air=1): undetermined
4. melting point (ºc):76-78
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 water) partition coefficient: undetermined
17. explosion limit (%,v/v): undetermined
18. lower explosion limit (%,v/v): undetermined
19. solubility: undetermined
toxicological data
1 , acute toxicity: rat oral administrationld50: 65mg/kg, no details except lethal dose;
orally administered to miceld50: 16ug/kg, no details except lethal dose;
mouse transperitoneallyld50: 5mg/kg, no details except lethal dose;
2, reproductive toxicity: ratdoseoraltdlo: female pregnant 10 queen: 300mg/kgsex/duration, produced in the mother’s ovaries and fallopian tubes impact.
ratdoseoraltdlo: female pregnancy30 queen of heaven:100mg/kgsex/duration, which has an impact on mating performance.
rat doseoral tdlo: female pregnant 15 days later: 150mg/kgsex/ duration, affects the mother’s delivery.
rat doseoral tdlo: female pregnant 5-11 days later: 35mg/ kgsex/duration, causing miscarriage.
rat doseoral tdlo: female pregnancy 1-5 days later: 50mg/ kgsex/duration, affects preimplantation mortality;
dogdose transabdominal tdlo: male 30 days before mating: 300mg/kgsex/ duration, affecting the father’s testicles, epididymis, and sperm ducts;
rabbitdose oral tdlo: female 1 days before mating: 10mg/kgsex/ duration, affecting fertility.
3 , mutagenicity data: microorganismstest systematic mutation: bacteria –typhimuriumsalmonella:100 ug/plate;
microbial organisms testsystem mutation: escherichia coli:500umol/plate.
ecological data
this substance may be harmful to the environment, and special attention should be paid to water bodies.
molecular structure data
1、 molar refractive index:49.48
2、 molar volume(m3/mol):138.9
3 , isotonic specific volume (90.2k):382.0
4、 surface tension(dyne/cm):57.1
5、 polarizability(10-24cm3):19.61
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: 14
6. topological molecule polar surface area 54.4
7. number of heavy atoms: 14
8. surface charge: 0
9. complexity: 317
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
use and store according to specifications, no decomposition will occur, and avoid contact with oxides
storage method
temperature-20store at ℃
synthesis method
none
purpose
none

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