Polyether_Polyether Polyol Knowledge Methyl 3,5-dibromo-2,4-dihydroxy-6-methylbenzoate

Methyl 3,5-dibromo-2,4-dihydroxy-6-methylbenzoate

Methyl 3,5-dibromo-2,4-dihydroxy-6-methylbenzoate  Structural formula

Structural formula

Business number 07ER
Molecular formula C9H8Br2O4
Molecular weight 339.98
label

3,5-Dibromo-2,4-dihydroxy-6-methylbenzoic acid methyl ester,

aromatic compounds

Numbering system

CAS number:715-33-3

MDL number:MFCD00082715

EINECS number:None

RTECS number:None

BRN number:2116569

PubChem ID:None

Physical property data

1. Characteristics: light yellow to brown solid.


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


3.   Relative vapor density (g/mL,AIR=1): Undetermined


4. Melting point (ºC):109 -111


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 partition coefficient (water): undetermined


17. Explosion limit (%,V/V): Undetermined


18. Lower explosion limit (%,V/V): Undetermined


19. Solubility: Insoluble in water at room temperature.

Toxicological data

None yet

Ecological data

1, other harmful effects: This substance may be harmful to the environment, special attention should be paid to water bodies. SPAN>

Molecular structure data

1. Molar refractive index: 61.99


2. Molar volumem3/ mol172.8


3. isotonic ratio90.2K480.7


4. Surface Tension(dyne/cm)59.8


5. Dielectric constant:


6. Dipole moment10 -24cm3)


7. Polarizability:24.57

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 3.4

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 25

6. Topological molecule polar surface area 66.8

7. Number of heavy atoms: 15

8. Surface charge: 0

9. Complexity: 248

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

Avoid heat, open flames, oxidants, Decomposition produces CO and HBr.

Storage method

Stored in a cool, dry, well-ventilated place, away from heat sources, sealed and protected from light.

Synthesis method

None yet

Purpose

None yet

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.polyether-factory.com/archives/20462

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