Choline Choline

Choline structural formula

Structural formula

Business number 01CB
Molecular formula C5H14NO+
Molecular weight 104.17
label

2-Hydroxy-N,N,N-trimethylethylammonium,

2-Hydroxy-N,N,N-trimethyl-Ethanamine

Numbering system

CAS number:62-49-7

MDL number:None

EINECS number:204-625-1

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Character:Strongly alkaline viscous liquid or crystal


2. Density (g/mL,20/4):1.09


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


4. Melting point (ºC): Unsure


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


6. Boiling point (ºC, 5.2kPa): Unsure


7. Refractive index:n20/D 1.418


8. Flash Point (ºC): Unsure


9. Specific optical rotation (º): Unsure


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


11. Vapor pressure (kPa,25ºC): Unsure


12. Saturated vapor pressure (Explosion limit (%,V/V): Unsure


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


19. Solubility: soluble in water and alcohol, insoluble in ether.

Toxicological data

Acute toxicity: Cat subcutaneous injection LDLo: 150 mg/kg; cat intravenous LDLo35 mg/kg;
Rabbit subcutaneous injection LDLo: 500 mg/kg; Rabbit vein LDLo: 70 mg/kg; Rabbit rectumLDLo460 mg/kg;
Guinea pig abdominal cavityLDLo 450 mg/kg;Frog subcutaneous injection LDLo: 1500 mg/kg ;

Ecological data

None yet

Molecular structure data

None yet

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): -0.4

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 1

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: none

6. Topological molecule polar surface area 20.2

7. Number of heavy atoms: 7

8. Surface charge: 1

9. Complexity: 46.5

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

heat in acidic solution It is stable, easily absorbs carbon dioxide in the air, has strong water absorption, and decomposes when exposed to heat. It tastes pungent and bitter.

Storage method

None yet

Synthesis method

Choline is obtained by methylating formaldehyde with ammonium chloride to obtain trimethylamine, and then adding it with ethylene oxide.

Purpose

Organic synthesis intermediates; used Biochemical research.

Number of subunits: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine chemical bonds Number of stereocenters: 0

14. Number of stereocenters of uncertain chemical bonds: 0

15. Number of covalent bond units: 1

Properties and stability

heat in acidic solution It is stable, easily absorbs carbon dioxide in the air, has strong water absorption, and decomposes when exposed to heat. It tastes pungent and bitter.

Storage method

None yet

Synthesis method

Choline is obtained by methylating formaldehyde with ammonium chloride to obtain trimethylamine, and then adding it with ethylene oxide.

Purpose

Organic synthesis intermediates; used Biochemical research.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.allhdi.com/archives/41887

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