Sulfapyridine

Sulfapyridine Structural Formula

Structural formula

Business number 03WN
Molecular formula C11H11N3O2S
Molecular weight 249.29
label

2-Sulfapyridine,

4-amino-N-(2-pyridyl)benzenesulfonamide,

p-Amine-N-2-pyridine benzenesulfonamide,

4-Amino-N-(2-pyridinyl)benzene sulfonamide,

4-(2-Pyridinylsulfonyl)aniline

Numbering system

CAS number:144-83-2

MDL number:MFCD00038036

EINECS number:205-642-7

RTECS number:DA9625000

BRN number:None

PubChem number:24899692

Physical property data


1. Physical property data:


1. Characteristics: yellow-brown to White powder


2. Melting point (ºC): 191-193ºC
3. Solubility:Slightly soluble in water.

Toxicological data

2. Toxicological data:


1, acute toxicity: rat oral LD50: 15800 mg/kg;


Rat intravenous LD50: 800 mg/kg;


Mouse oral LD50: 16600 mg/kg;


Mouse abdominal cavity LD50: 1150 mg/kg;


Rabbit oral LD50: 20 mg/kg.


2. Chronic toxicity/Carcinogenicity: Rat subcutaneous TDLo: 135 mg/kg/9W-I

Ecological data

3. Ecological data:


Usually for Water is not hazardous and materials should not be discharged into the surrounding environment without government permission.

Molecular structure data


5. Molecular property data:


1. Molar refractive index:65.34


2. Molar volume (m3/mol):174.0


3. Isotonic specific volume (90.2K):508.6


4. Surface tension (dyne/cm):73.0


5. Polarizability(10-24cm3):5. Molecular property data:


1. Molar refractive index:65.34


2. Molar volume (m3/mol):174.0


3. Isotonic specific volume (90.2K):508.6


4. Surface tension (dyne/cm):73.0


5. Polarizability(10-24cm3):25.90

Compute chemical data

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

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 5

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: 2

6. Topological molecule polar surface area 93.5

7. Number of heavy atoms: 17

8. Surface charge: 0

9. Complexity: 331

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

Stable under normal temperature and pressure.

Storage method

Save at 2-8ºC.

Synthesis method

2-Aminopyridine is obtained by condensation and hydrolysis.

Purpose


Pharmaceutical intermediates.

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Compute chemical data

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

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 5

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: 2

6. Topological molecule polar surface area 93.5

7. Number of heavy atoms: 17

8. Surface charge: 0

9. Complexity: 331

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

Stable under normal temperature and pressure.

Storage method

Save at 2-8ºC.

Synthesis method

2-Aminopyridine is obtained by condensation and hydrolysis.

Purpose


Pharmaceutical intermediates.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/27709

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