Toluene diisocyanate manufacturer Knowledge 3-Chloro-2,5-dimethylpyrazine 3-Chloro-2,5-dimethylpyrazine

3-Chloro-2,5-dimethylpyrazine 3-Chloro-2,5-dimethylpyrazine

3-chloro-2,5-dimethylpyrazine structural formula

Structural formula

Business number 02A4
Molecular formula C6H7ClN2
Molecular weight 142.59
label

3-Chloro-2,5-dimethyl-1,4-diazine,

3-Chloro-2,5-dimethylpiazine,

3-Chloro-2,5-dimethylpyrazine,

2,5-Dimethyl-3-chloropyrazine

Numbering system

CAS number:95-89-6

MDL number:MFCD00006143

EINECS number:202-463-6

RTECS number:UQ2462000

BRN number:None

PubChem number:24892646

Physical property data

1. Properties: Undetermined

2. Density (g/mL, 25℃): 1.181

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

4. Melting point (ºC): 1.527

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

6. Boiling point (ºC, 18mmHg): Not determined

7. Refractive index: 1.527

8. Flash point (ºC): Not determined

9. Specific rotation (º) : Undetermined

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

11. Vapor pressure (mmHg,ºC): Undetermined

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

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

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Log value of oil-water (octanol/water) partition coefficient: Undetermined

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

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

19. Solubility: Undetermined

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 36.98

2. Molar volume (cm3/mol): 120.3

3. Isotonic specific volume (90.2K ): 306.7

4. Surface tension (dyne/cm): 42.1

5. Polarizability (10-24cm3): 14.66

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 25.8

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 97.1

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

None

Storage method

None

Synthesis method

None

Purpose

None

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.allhdi.com/archives/39811

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