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ChemicalBook >> CAS DataBase List >> p-Toluenesulfonamide

p-Toluenesulfonamide

p-Toluenesulfonamide  price.
  • $6 - $1490
  • Product name: p-Toluenesulfonamide
  • CAS: 70-55-3
  • MF: C7H9NO2S
  • MW: 171.22
  • EINECS:200-741-1
  • MDL Number:MFCD00011692
  • Synonyms:Uniplex 173;4-TOLUENESULFONIC ACID AMIDE;P-TOLUENESULFONAMIDE;PASAM;TOLUENE-4-SULPHONAMIDE;Ortho Para-Toluene Sulfonamide/Mixed O/PTSA;o-Toluenesulphonamide(OTSA);p-Toluenesulphonamide/Para-Toluene Sulfonamide(PTSA)
83 prices
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  • aablocks
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  • Manufactureraablocks
  • Product numberAA0035GK
  • Product description4-Methylbenzenesulfonamide ≥98%
  • Packaging100g
  • Price$10
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0035GK
  • Product description4-Methylbenzenesulfonamide 98%
  • Packaging500g
  • Price$13
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0035GK
  • Product description4-Methylbenzenesulfonamide 98%
  • Packaging1000g
  • Price$26
  • Updated2026-05-28
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  • ManufacturerActivate Scientific
  • Product numberAS40708
  • Product description4-Methylbenzenesulfonamide 98%
  • Packaging25g
  • Price$20
  • Updated2026-06-04
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  • ManufacturerActivate Scientific
  • Product numberAS40708
  • Product description4-Methylbenzenesulfonamide 98%
  • Packaging100g
  • Price$26
  • Updated2026-06-04
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  • ManufacturerActivate Scientific
  • Product numberAS40708
  • Product description4-Methylbenzenesulfonamide 98%
  • Packaging250g
  • Price$29
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberG163
  • Product descriptionp-Toluenesulfonamide >98%(HPLC)
  • Packaging1kg
  • Price$86
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberG163
  • Product descriptionp-Toluenesulfonamide >98%(HPLC)
  • Packaging500g
  • Price$51
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberJ51361
  • Product descriptionp-Toluenesulfonamide 95%
  • Packaging500g
  • Price$38
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ51361
  • Product descriptionp-Toluenesulfonamide 95%
  • Packaging1kg
  • Price$64
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberG163
  • Product descriptionp-Toluenesulfonamide
  • Packaging500g
  • Price$54
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberG163
  • Product descriptionp-Toluenesulfonamide >98%(HPLC)
  • Packaging25g
  • Price$23
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberG163
  • Product descriptionp-Toluenesulfonamide >98%(HPLC)
  • Packaging100g
  • Price$28
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ51361
  • Product descriptionp-Toluenesulfonamide 95%
  • Packaging100g
  • Price$21
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ51361
  • Product descriptionp-Toluenesulfonamide
  • Packaging250g
  • Price$22.7
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberG163
  • Product descriptionp-Toluenesulfonamide >98%(HPLC)
  • Packaging5g
  • Price$16
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0035GK 4-Methylbenzenesulfonamide ≥98% 100g $10 2026-05-28 Buy
aablocks AA0035GK 4-Methylbenzenesulfonamide 98% 500g $13 2026-05-28 Buy
aablocks AA0035GK 4-Methylbenzenesulfonamide 98% 1000g $26 2026-05-28 Buy
Activate Scientific AS40708 4-Methylbenzenesulfonamide 98% 25g $20 2026-06-04 Buy
Activate Scientific AS40708 4-Methylbenzenesulfonamide 98% 100g $26 2026-06-04 Buy
Activate Scientific AS40708 4-Methylbenzenesulfonamide 98% 250g $29 2026-06-04 Buy
AK Scientific G163 p-Toluenesulfonamide >98%(HPLC) 1kg $86 2026-06-04 Buy
AK Scientific G163 p-Toluenesulfonamide >98%(HPLC) 500g $51 2026-06-04 Buy
AK Scientific J51361 p-Toluenesulfonamide 95% 500g $38 2026-06-04 Buy
AK Scientific J51361 p-Toluenesulfonamide 95% 1kg $64 2026-06-04 Buy
AK Scientific G163 p-Toluenesulfonamide 500g $54 2021-12-16 Buy
AK Scientific G163 p-Toluenesulfonamide >98%(HPLC) 25g $23 2026-06-04 Buy
AK Scientific G163 p-Toluenesulfonamide >98%(HPLC) 100g $28 2026-06-04 Buy
AK Scientific J51361 p-Toluenesulfonamide 95% 100g $21 2026-06-04 Buy
AK Scientific J51361 p-Toluenesulfonamide 250g $22.7 2021-12-16 Buy
AK Scientific G163 p-Toluenesulfonamide >98%(HPLC) 5g $16 2026-06-04 Buy

Properties

Melting point :134-137 °C (lit.)
Boiling point :221 °C (10 mmHg)
Density :1.2495 (rough estimate)
vapor density :5.9 (vs air)
refractive index :1.6100 (estimate)
Flash point :202 °C
storage temp. :Store below +30°C.
solubility :DMSO: soluble
pka :10.20±0.10(Predicted)
form :Crystalline Powder
color :White
Odor :Odorless
Water Solubility :0.32 g/100 mL (25 º C)
BRN :472689
Henry's Law Constant :2.1×101 mol/(m3Pa) at 25℃, HSDB (2015)
Cosmetics Ingredients Functions :PLASTICISER
SKIN CONDITIONING - MISCELLANEOUS InChI :1S/C7H9NO2S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3,(H2,8,9,10)
InChIKey :LMYRWZFENFIFIT-UHFFFAOYSA-N
SMILES :Cc1ccc(cc1)S(N)(=O)=O
LogP :0.820
CAS DataBase Reference :70-55-3(CAS DataBase Reference)
NIST Chemistry Reference :4-Methylbenzenesulfonamide(70-55-3)
EPA Substance Registry System :p-Toluenesulfonamide (70-55-3)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Description

p-Toluene sulfonamide was used to prepare the precursor required for synthesis of ethyl 6-phenyl-1-tosyl-1,2,5,6-tetrahydropyridine-3-carboxylate. It act as a derivative of ammonia activated to alkylation by alkyl halides is exemplified by the synthesis of N-tosyl-2,3-dihydroisoindole from o-xylylene dibromide. It is a precursor of N-tosyl imines.

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