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Chemical Structure| 98-33-9 Chemical Structure| 98-33-9

Structure of 98-33-9

Chemical Structure| 98-33-9

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Product Details of [ 98-33-9 ]

CAS No. :98-33-9
Formula : C7H9NO3S
M.W : 187.22
SMILES Code : O=S(C1=CC=C(N)C(C)=C1)(O)=O
MDL No. :MFCD00025198

Safety of [ 98-33-9 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H317-H319-H412
Precautionary Statements:P261-P280-P305+P351+P338

Application In Synthesis of [ 98-33-9 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 98-33-9 ]

[ 98-33-9 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 98-33-9 ]
  • [ 6291-02-7 ]
  • 2
  • strontium nitrate [ No CAS ]
  • [ 92-70-6 ]
  • [ 98-33-9 ]
  • [ 81-16-3 ]
YieldReaction ConditionsOperation in experiment
With hydrogenchloride; sodium hydroxide; calcium chloride; sodium nitrite; In water; EXAMPLE 1 A solution of 24.2 grams (0.1294 mole) of pure 6-amino-m-toluenesulfonic acid and 1.2 grams (0.0054 mole) of 2-naphthylamine-1-sulfonic acid is prepared in 500 ml of water by adding 57 ml of a 10% solution of sodium hydroxide and adjusting the pH to 11.5. A solution of 35.6 grams of calcium chloride and 1.5 grams of strontium nitrate in 100 ml of water is added thereto and the mixture cooled to 0 C. with ice. The amines are diazotized by adding 35 ml (0.14 mole) of 4 N sodium nitrite, followed by 150 ml (0.411 mole) of 10% hydrochloric acid. The mixture is stirred for about 3 minutes at 0 C., while maintaining excess nitrous acid. 2-Hydroxy-3-naphthoic acid (28.0 grams, 0.1489 mole) is dissolved in 500 ml of water by adding 180 ml of 10% sodium hydroxide.
  • 4
  • [ 98-33-9 ]
  • [ 53848-17-2 ]
 

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