久久这里只有精品视频首页,亚洲精品视频一区,久久婷婷国产综合精品青草 http://m.mimgu.com The Leading Supplier of China Amine Catalysts Wed, 08 May 2024 07:12:37 +0000 zh-CN hourly 1 https://wordpress.org/?v=6.1.7 http://m.mimgu.com/wp-content/uploads/2023/12/1.jpg pentypyridinium tartrate – Amine Catalysts http://m.mimgu.com 32 32 pentypyridinium tartrate http://m.mimgu.com/archives/48455 Wed, 08 May 2024 07:12:37 +0000 http://m.mimgu.com/archives/48455 Pentylbipyridinium tartrate structural formula

Structural formula

Business number 015J
Molecular formula C23H42N2O12
Molecular weight 538.59
label

pentypyridinium tartrate,

1,1’-pentamethylenebis(1-methylpyrrolidiniumtartrate),

1,1’-pentamethylenebis(1-methyl-pyrrolidiniutartrate(1:2)

Numbering system

CAS number:52-62-0

MDL number:MFCD00135580

EINECS number:200-146-7

RTECS number:UY4900000

BRN number:None

PubChem number:24852870

Physical property data

1. Characteristics: Colorless to slightly yellow liquid.


2. Density ( g/mL,25/4℃):1.507


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


4. Melting point ( oC):328-329


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


6. Boiling point ( oC,5.2kPa):169℃(756mmHg)


7. Refractive index :1.5310


8.??Flash point (oC): 73


9. Specific optical activity Degree (o): Undetermined


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


11. Vapor Pressure (kPa,25oC):1.68mPa


12. Saturated steam Pressure (kPa,60oC): Undetermined


13. Burning heat (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

1, acute toxicity: rat oral LD50: 890mg/kg; rat abdominal cavity LD50: 28900ug/kg; rat intravenous LD50: 50760ug/kg; mouse oral LD50: 512mg/kg;
Mouse abdominal LD50: 36 mg/kg; Mouse subcutaneous LDLo: 94mg/kg; Mouse intravenous LD50: 29 mg/kg; dog intravenous LD50: 10 mg/kg

Ecological data

None yet

Molecular structure data

None yet

Compute chemical data

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


2. Number of hydrogen bond donors: 6


3. Number of hydrogen bond acceptors: 12


4. Number of rotatable chemical bonds: 10


5. Number of tautomers:


6. Topological molecular polar surface area (TPSA):236


7. Number of heavy atoms: 37


8. Surface charge: 0


9. Complexity: 347


10. Number of isotope atoms: 0


11. Determine the number of atomic stereocenters: 0


12. The number of uncertain atomic stereocenters: 4


13. Determine the number of stereocenters of chemical bonds: 0


14. Uncertain number of chemical bond stereocenters: 0


15. Number of covalent bond units: 3

Properties and stability

None yet

Storage method

This product should be sealed and stored away from light.

Synthesis method

None yet

Purpose

Medicine. pesticide. Intermediates for liquid crystal materials.

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