Structural formula
Business number | 028J |
---|---|
Molecular formula | C7H6O3 |
Molecular weight | 138.12 |
label |
2,4-Dihydroxybenzaldehyde, 2,4-Dihydroxy benzaldehyde, 2,4-dihydroxy-Benzaldehyde, β-Resorcylaldehyde, (HO)2C6H3CHO |
CAS number:95-01-2
MDL number:MFCD00011686
EINECS number:202-383-1
RTECS number:VH3600000
BRN number:878548
PubChem number:24863366
1. Properties: off-white to brown powder.
2. Density (g/mL, 20℃): Undetermined
3. Relative vapor density (g/mL, air=1): Undetermined
4. Melting point (oC): 133-138
5. Boiling point (oC, normal pressure): Undetermined
6. Boiling point (oC, 0.67KPa): 220- 228
7. Refractive index: Undetermined
8. Flash point (oC): Undetermined
9. Specific rotation (o): Undetermined
10. Autoignition point or ignition temperature (oC): Undetermined
11. Vapor pressure (mmHg, oC): Undetermined
12. Saturation Vapor pressure (kPa, oC): Undetermined
13. Heat of combustion (KJ/mol): Undetermined
14. Critical temperature (oC): Undetermined
15. Critical pressure (KPa): Undetermined
16. Log value of oil-water (octanol/water) partition coefficient: Undetermined
17. Explosion upper limit (% , V/V): Undetermined
18. Lower explosion limit (%, V/V): Undetermined
19. Solubility: Easily soluble in ethanol, ether, chloroform and Glacial acetic acid, slightly soluble in cold benzene.
1. Acute toxicity: rat oral LD50: 400mg/kg; mouse oral LD50: 1380mg/kg; mouse abdominal LD50: 200mg/kg;
Slightly harmful to water.
1. Molar refractive index: 36.76
2. Molar volume (cm3/mol): 97.9
3. Isotonic specific volume (90.2K ): 282.3
4. Surface tension (dyne/cm): 69.0
5. Polarizability (10-24cm3): 14.57
1. Hydrophobic parameter calculation reference value (XlogP): 1.5
2. Number of hydrogen bond donors: 2
3. Number of hydrogen bond acceptors: 3
4. Number of rotatable chemical bonds: 1
5. Number of tautomers: 12
6. Extension?Molecular polar surface area (TPSA): 57.5
7, Number of heavy atoms: 10
8, Surface charge: 0
9, Complexity: 124
10. Number of isotope atoms: 0
11. Number of determined atomic stereocenters: 0
12. Number of uncertain atomic stereocenters: 0
13. The number of determined stereocenters of chemical bonds: 0
14. The number of uncertain stereocenters of chemical bonds: 0
15. The number of covalent bond units: 1
Sensitive to air. It easily turns into brown amorphous powder in humid air. Easily decomposed by acids and alkalis. Avoid contact with air and oxides.
Stored sealed in a cool, dry place. Make sure the workspace has good ventilation. Keep sealed. Keep away from sources of fire and store away from oxidizing agents.
None
Used in organic synthesis.
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