3,5-Dibromopyridine

3,5-Dibromopyridine Structural Formula

Structural formula

Business number 06SL
Molecular formula C5H3Br2N
Molecular weight 236.90
label

None yet

Numbering system

CAS number:625-92-3

MDL number:MFCD00014634

EINECS number:210-916-4

RTECS number:None

BRN number:108477

PubChem number:24861148

Physical property data

1. Characteristics: slightly white lens powder.

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

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

4. Melting point (ºC): 110-113

5. Boiling point (ºC,Normal pressure): 222

6. Boiling point (ºC,5.2kPa): Undetermined

7. Refractive Index: Undetermined

8. Flashpoint (ºC): 84

9. Specific optical rotation (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Undetermined

11. Vapor pressure (kPa,25ºC): 0.16

12. Saturated vapor pressure (kPa,60ºC): Undetermined

13. Heat of combustion (KJ/mol): 44.0

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Oil and water (octanol/Log value of water) partition coefficient: 2.73

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

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

19. Solubility: Not soluble in water.

Toxicological data

None yet

Ecological data

For products that are slightly harmful to water, do not let large amounts of products come into contact with groundwater, waterways or sewage systems. Do not discharge materials into the surrounding environment without government permission.

Molecular structure data

1. Moore refraction Rate: 39.72

2. Molar Volume (cm3/mol):115.0

3. isotonic ratio (90.2K):302.4

4. Surface Tension (dyne/cm):47.7

5. Polarization Rate10-24cm3):15.74

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.2

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 1

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 12.9

7. Number of heavy atoms: 8

8. Surface charge: 0

9. Complexity: 68.8

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

Keep away from oxides and alkalis.

Storage method

Store in an airtight container in a cool, dry place. Store away from oxidizing agents.

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.polyether-factory.com/archives/21037

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