Toluene diisocyanate manufacturer Knowledge 2-Nitrobenzenesulfonic Acid 2-Nitrobenzenesulfonic Acid

2-Nitrobenzenesulfonic Acid 2-Nitrobenzenesulfonic Acid

2-nitrobenzene sulfonic acid structural formula

Structural formula

Business number 01RL
Molecular formula C6H5NO5S
Molecular weight 203.17
label

None

Numbering system

CAS number:80-82-0

MDL number:MFCD00053617

EINECS number:201-311-6

RTECS number:None

BRN number:None

PubChem number:24888734

Physical property data

1. Characteristics: light yellow crystal.
2. Density ( g/mL,25/4℃): Unsure

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


4. Melting point (ºC): 70


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


6. Boiling point (ºC,5.2kPa): Unsure


7. Refractive index: Uncertain


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 (kPa,60ºC): Unsure


13. Topological molecular polar surface area (TPSA): 97.5


6. Number of heavy atoms:13


7. Surface charge:0


8. Complex Degree: 287


9. Isotopes Number of atoms:0


10. OK Number of atomic stereocenters:0


11. No Determine the number of atomic stereocenters:0


12. OK Number of stereocenters of chemical bonds:0


13. No Determine the number of stereocenters of chemical bonds:0


14. Total Number of price key units:1

Properties and stability

None yet

Storage method

This product should be sealed in Store in a cool place.

Synthesis method

O-nitrobenzenesulfonyl chloride (see26785) dissolved in glacial acetic acid, 50-60℃ is cooled in cold water and stirred vigorously to form fine crystals of o-nitrobenzene sulfonyl chloride. Add concentrated ammonia under stirring and filter out the product immediately. Yield84%.

Purpose

Mechanically synthesized intermediates .

: list 39.3pt” align=left> 12. Determine the number of stereocenters of chemical bonds: 0


13. No Determine the number of stereocenters of chemical bonds:0


14. Total Number of price key units:1

Properties and stability

None yet

Storage method

This product should be sealed in Store in a cool place.

Synthesis method

O-nitrobenzenesulfonyl chloride (see26785) dissolved in glacial acetic acid, 50-60℃ is cooled in cold water and stirred vigorously to form fine crystals of o-nitrobenzene sulfonyl chloride. Add concentrated ammonia under stirring and filter out the product immediately. Yield84%.

Purpose

Mechanically synthesized intermediates .

cii-font-family: Arial; mso-hansi-font-family: Arial”>Synthetic intermediates by machine.

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