Epoxy curing agent Knowledge Mycobromic acid

Mycobromic acid

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Structural formula of mycobromic acid

Structural formula

Business number 053L
Molecular formula C4H2Br2O3
Molecular weight 257.88
label

2,3-dibromo-2-butenoic acid,

Mycobromic acid,

furobromic acid,

2,3-Dibromo-4-oxo-2-butenoic acid,

2,3-Dibromo-4-oxo-2-butenoic acid,

OHCCBr=CBrCOOH

Numbering system

CAS number:488-11-9

MDL number:MFCD00063745

EINECS number:207-670-5

RTECS number:None

BRN number:1705707

PubChem number:24897300

Physical property data

1. Character: white crystal


2. Density (g/ m3,25/4): Undetermined


3. Relative vapor density (g/cm3,AIR=1): Undetermined


4. Melting point (ºC):120-124


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


6. Boiling point (ºC,5.2kPa): 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: soluble in water

Toxicological data

None

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:37.53


2 Molar Volumem3/mol)106.0


3 Isotonic specific volume (90.2K):305.8


4 Surface tensiondyne/cm)69.0


5 Polarizability(10-24cm314.88

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 1.3

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: none

6. Topological molecule polar surface area 54.4

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 173

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: 1

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

Save sealed and placed in a ventilated, dry environment

Synthesis method

None

Purpose

None

Resource:allhdi.com

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