Structural formula
Business number | 025Q |
---|---|
Molecular formula | C9H10O4 |
Molecular weight | 182.17 |
label |
3,4-Dimethoxybenzoic acid, veratrid acid, 3,4-dimethoxyformic acid, 3,4-Dimethoxybenzoic acid, 3,4-dimethoxybenzoic acid, veratrumenoic acid, 3,4-Dimethylprotocatechuic acid |
Numbering system
CAS number:93-07-2
MDL number:MFCD00002500
EINECS number:202-215-7
RTECS number:DG8598750
BRN number:518285
PubChem number:24893253
Physical property data
1. Character:Acicular or prismatic crystals. Odorless. Can sublimate (rhombus crystal)
2. Density (g/mL,25/4℃): Undetermined
3. Relative vapor density (g/mL,AIR=1): Undetermined
4. Melting point (ºC): 180~181℃ (anhydrous).
5. Boiling point (ºC,Normal pressure):272
6. Boiling point (ºC,5.2kPa): Undetermined
7. Refractive index: undetermined
8. Flashpoint (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 partition coefficient (water): undetermined
17. Explosion limit (%,V/V): Undetermined
18. Lower explosion limit (%,V/V): Undetermined
19. Solubility: Soluble in ether, benzene and carbon disulfide, slightly soluble in ethanol, almost insoluble in water.
Toxicological data
None
Ecological data
None
Molecular structure data
1. Molar refractive index: 46.53
2. Molar volume (m3/mol):149.9
3. isotonic specific volume (90.2K):382.7
4. Surface Tension (dyne/cm):42.4
5. Polarizability(10-24cm3):18.44
Compute chemical data
1 , Reference value for hydrophobic parameter calculation (XlogP): 1.6
2 , Number of hydrogen bond donors: 1
3 , Number of hydrogen bond acceptors: 4
4 , Number of rotatable chemical bonds: 3
5 , Number of tautomers:
6、 Topological molecular polar surface area ( TPSA): 55.8
7 , Number of heavy atoms: 13
8 , Surface charge: 0
9 , Complexity: 181
10 , Isotope atomic number: 0
11 , Determine the number of atomic stereocenters: 0
12 , Uncertain number of atomic stereocenters: 0
13 , Determine the number of stereocenters of chemical bonds: 0
14 , Uncertain number of chemical bond stereocenters: 0
15 , Number of covalent bond units: 1
Properties and stability
None
Storage method
This product should be sealed and stored in a cool, dry place away from light.
Synthesis method
None
Purpose
For organic synthesis.
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