Toluene diisocyanate manufacturer Knowledge 2-Carboxy-3,4-dimethoxybenzaldehyde

2-Carboxy-3,4-dimethoxybenzaldehyde

2-carboxy-3,4-dimethoxybenzaldehyde structural formula

Structural formula

Business number 05CB
Molecular formula C10H10O5
Molecular weight 210.19
label

5,6-Dimethoxy-2-carboxylic acid,

opiate acid,

6-Formyl-2,3-dimethoxybenzoic acid

Numbering system

CAS number:519-05-1

MDL number:MFCD00039572

EINECS number:208-261-4

RTECS number:None

BRN number:2696087

PubChem ID:None

Physical property data

1. Character: Undetermined


2. Density (g/ cm3,25/4): Undetermined


3. relative Vapor density (g/cm3,air=1): Undetermined


4. Melting point (ºC):145-148


5. Boiling point (ºC,Normal pressure): Undetermined


6. Boiling point (ºC,8kPa): Undetermined


7. Refractive Index: Undetermined


8. Flash Point (ºF): 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

None yet

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:53.29


2. Molar volume (m3/mol):161.6


3. Isotonic specific volume (90.2K):427.7


4. Surface Tension (dyne/cm):49.0


5. Polarizability10-24cm3 ): 21.12

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 0.9

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 5

4. Number of rotatable chemical bonds: 4

5. Number of tautomers: none

6. Topological molecule polar surface area 72.8

7. Number of heavy atoms: 15

8. Surface charge: 0

9. Complexity: 240

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine chemical bonds.Number of 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

Stored in a cool, dry, well-ventilated warehouse. Keep away from fire and heat sources. Protect from direct sunlight. The packaging is sealed. They should be stored separately from acids and food chemicals, and avoid mixed storage. Suitable materials should be available in the storage area to contain spills.

Synthesis method

None yet

Purpose

None yet

Resource:allhdi.com

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/30819

author:

Previous article
Next article
Contact Us

Contact us

+86 - 152 2121 6908

Online consultation: QQ交谈

E-mail: sales@newtopchem.com

Working hours: Monday to Friday, 9:00-17:30, closed on holidays
Follow wechat
Scan wechat and follow us

Scan wechat and follow us

Follow Weibo
Back to top
Home
E-mail
Products
Search