Epoxy curing agent Knowledge p-carboxybenzenesulfonamide

p-carboxybenzenesulfonamide

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Structural formula of p-carboxybenzenesulfonamide

Structural formula

Business number 03RY
Molecular formula C7H7NO4S
Molecular weight 201.20
label

4-Carboxybenzenesulfonamide,

Benzoic acid 4-sulfamide,

p-Sulfonamidobenzoic acid,

p-sulfonylbenzoic acid,

aromatic compounds

Numbering system

CAS number:138-41-0

MDL number:MFCD00007938

EINECS number:205-327-4

RTECS number:DH6820000

BRN number:1875393

PubChem number:24892374

Physical property data

None

Toxicological data

Acute toxicity data :


Rat abdominal cavity LD50350mg/kg


Mouse abdominal cavityLD50:>1mg/kg

Ecological data

None

Molecular structure data


Molecular property data:


1, Molar refractive index45.46


2, Molar volumem3/mol):130.9


3, Isotonic specific volume90.2K):373.4


4, Surface tension3.0 dyne/ cm):66.2


5, Polarizability0.5 10 -24cm3):18.02

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: 2

5. Number of tautomers: none

6. Topological molecule polar surface area 106

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 284

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

It is obtained by oxidizing p-toluenesulfonamide with potassium dichromate. Another oxidation operation is to react p-toluenesulfonamide with potassium permanganate

Purpose

Used as an organic synthesis intermediate or for drug synthesis.

amily: Arial”>5 Polarizability(0.5 10-24cm3): 18.02

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: 2

5. Number of tautomers: none

6. Topological molecule polar surface area 106

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 284

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

It is obtained by oxidizing p-toluenesulfonamide with potassium dichromate. Another oxidation operation is to react p-toluenesulfonamide with potassium permanganate

Purpose

Used as an organic synthesis intermediate or for drug synthesis.

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