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.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/24438

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