Epoxy curing agent Knowledge Pyridostigmine Bromide Pyridostigmine Bromide

Pyridostigmine Bromide Pyridostigmine Bromide

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Pyridostigmine bromide structural formula

Structural formula

Business number 02KC
Molecular formula C9H13BrN2O2
Molecular weight 261.12
label

3-Dimethylcarbamoyloxy-1-methylpyridine bromide,

3-(Dimethylaminocarbonyloxy)-1-methylpyridinium bromide

Numbering system

CAS number:101-26-8

MDL number:MFCD00079283

EINECS number:202-929-9

RTECS number:UU5270000

BRN number:None

PubChem number:24277865

Physical property data

1. Characteristics: glossy colorless crystals.
2. Density (g/mL,30): Undetermined

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


4. Melting point (ºC): 152~154


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


6. Boiling point (ºC,0.266KPa): Undetermined


7. Refractive index: Undetermined


8. Flashpoint (ºC): Undetermined


9. Specific rotation (º): Undetermined


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


11. Vapor pressure (mmHg,25ºC): 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. Oil and water (octanol/Log value of the partition coefficient for water: undetermined


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


18. Lower explosion limit (%,V/V�rning: 0pt; mso-bidi-font-family: 宋体”>11. Vapor pressure (mmHg,25ºC): 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. Oil and water (octanol/Log value of the partition coefficient for water: undetermined


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


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


19. Solubility:Soluble in ethanol and water. Almost insoluble in ether, acetone and benzene.

Toxicological data

None yet

Ecological data

None yet

Molecular structure data

None yet

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: 3

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: none

6. Topological molecule polar surface area 33.4

7. Number of heavy atoms: 14

8. Surface charge: 0

9. Complexity: 183

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: 2

Properties and stability

None yet

Storage method

Store in a sealed, cool, dry and dark place.

Synthesis method

None yet

Purpose

Organic Synthesis. Pharmaceutical raw materials.

��: Undetermined


19. Solubility:Soluble in ethanol and water. Almost insoluble in ether, acetone and benzene.

Toxicological data

None yet

Ecological data

None yet

Molecular structure data

None yet

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: 3

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: none

6. Topological molecule polar surface area 33.4

7. Number of heavy atoms: 14

8. Surface charge: 0

9. Complexity: 183

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: 2

Properties and stability

None yet

Storage method

Store in a sealed, cool, dry and dark place.

Synthesis method

None yet

Purpose

Organic Synthesis. Pharmaceutical raw materials.

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