accessibility menu, dialog, popup

Test

p-Toluenesulfonic Acid

p-Toluenesulfonic Acid

p-Toluenesulfonic acid (PTSA), or tosylic acid (TsOH), is a corrosive, toxic, solid, strong organic acid. In monohydrate form, its formula is TsOH·H2O. Available in various quantities, PTSA is used as an organic-soluble acid catalyst in organic synthesis.
Molecular Weight (g/mol) 
  • (2)
  • (14)
  • (2)
  • (2)
Quantity 
  • (1)
  • (1)
  • (4)
  • (1)
  • (1)
  • (1)
  • (2)
  • (2)
  • (1)
  • (5)
  • (1)
Percent Purity 
  • (2)
  • (2)
  • (1)
  • (3)
  • (3)
  • (5)
Grade 
  • (3)
  • (1)
  • (5)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

No results found within this category. Try removing some selected filters and try again.

category

brands

  • (1)
  • (1)
  • (8)
  • (10)

special offers

  • (4)
  • (4)

Molecular Weight (g/mol)

  • (2)
  • (14)
  • (2)
  • (2)

Quantity

  • (1)
  • (1)
  • (4)
  • (1)
  • (1)
  • (1)
  • (2)
  • (2)
  • (1)
  • (5)
  • (1)

Percent Purity

  • (2)
  • (2)
  • (1)
  • (3)
  • (3)
  • (5)

Grade

  • (3)
  • (1)
  • (5)
1 – 10 of 10 results
1

p-Toluenesulfonic acid monohydrate, 99%, extra pure, Thermo Scientific Chemicals

CAS: 6192-52-5 Molecular Formula: C7H10O4S Molecular Weight (g/mol): 190.213 MDL Number: MFCD00142137 InChI Key: KJIFKLIQANRMOU-UHFFFAOYSA-N Synonym: p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate PubChem CID: 521998 IUPAC Name: 4-methylbenzenesulfonic acid;hydrate SMILES: CC1=CC=C(C=C1)S(=O)(=O)O.O

PubChem CID 521998
CAS 6192-52-5
Molecular Weight (g/mol) 190.213
MDL Number MFCD00142137
SMILES CC1=CC=C(C=C1)S(=O)(=O)O.O
Synonym p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate
IUPAC Name 4-methylbenzenesulfonic acid;hydrate
InChI Key KJIFKLIQANRMOU-UHFFFAOYSA-N
Molecular Formula C7H10O4S
2

p-Toluenesulfonic acid monohydrate, 97%, Thermo Scientific Chemicals

CAS: 6192-52-5 Molecular Formula: C7H10O4S Molecular Weight (g/mol): 190.21 MDL Number: MFCD00142137 InChI Key: KJIFKLIQANRMOU-UHFFFAOYSA-N Synonym: p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3 bto78 gaff PubChem CID: 521998 SMILES: O.CC1=CC=C(C=C1)S(O)(=O)=O

PubChem CID 521998
CAS 6192-52-5
Molecular Weight (g/mol) 190.21
MDL Number MFCD00142137
SMILES O.CC1=CC=C(C=C1)S(O)(=O)=O
Synonym p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3 bto78 gaff
InChI Key KJIFKLIQANRMOU-UHFFFAOYSA-N
Molecular Formula C7H10O4S
3

p-Toluenesulfonic acid monohydrate, 97%, Thermo Scientific Chemicals

CAS: 6192-52-5 Molecular Formula: C7H10O4S Molecular Weight (g/mol): 190.213 MDL Number: MFCD00142137 InChI Key: KJIFKLIQANRMOU-UHFFFAOYSA-N Synonym: p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate PubChem CID: 521998 IUPAC Name: 4-methylbenzenesulfonic acid;hydrate SMILES: CC1=CC=C(C=C1)S(=O)(=O)O.O

PubChem CID 521998
CAS 6192-52-5
Molecular Weight (g/mol) 190.213
MDL Number MFCD00142137
SMILES CC1=CC=C(C=C1)S(=O)(=O)O.O
Synonym p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate
IUPAC Name 4-methylbenzenesulfonic acid;hydrate
InChI Key KJIFKLIQANRMOU-UHFFFAOYSA-N
Molecular Formula C7H10O4S
4

p-Toluenesulfonic acid monohydrate, ACS, 98.5+%, Thermo Scientific Chemicals

CAS: 6192-52-5 Molecular Formula: C7H10O4S Molecular Weight (g/mol): 190.213 MDL Number: MFCD00142137 InChI Key: KJIFKLIQANRMOU-UHFFFAOYSA-N Synonym: p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate PubChem CID: 521998 IUPAC Name: 4-methylbenzenesulfonic acid;hydrate SMILES: CC1=CC=C(C=C1)S(=O)(=O)O.O

PubChem CID 521998
CAS 6192-52-5
Molecular Weight (g/mol) 190.213
MDL Number MFCD00142137
SMILES CC1=CC=C(C=C1)S(=O)(=O)O.O
Synonym p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate
IUPAC Name 4-methylbenzenesulfonic acid;hydrate
InChI Key KJIFKLIQANRMOU-UHFFFAOYSA-N
Molecular Formula C7H10O4S
6

p-Toluenesulfonic acid monohydrate, 97%, Thermo Scientific Chemicals

CAS: 6192-52-5 Molecular Formula: C7H10O4S Molecular Weight (g/mol): 190.213 MDL Number: MFCD00142137 InChI Key: KJIFKLIQANRMOU-UHFFFAOYSA-N Synonym: p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate PubChem CID: 521998 IUPAC Name: 4-methylbenzenesulfonic acid;hydrate SMILES: CC1=CC=C(C=C1)S(=O)(=O)O.O

Promotions are available
PubChem CID 521998
CAS 6192-52-5
Molecular Weight (g/mol) 190.213
MDL Number MFCD00142137
SMILES CC1=CC=C(C=C1)S(=O)(=O)O.O
Synonym p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate
IUPAC Name 4-methylbenzenesulfonic acid;hydrate
InChI Key KJIFKLIQANRMOU-UHFFFAOYSA-N
Molecular Formula C7H10O4S
7

p-Toluenesulfonic acid monohydrate, ACS reagent, Thermo Scientific Chemicals

CAS: 6192-52-5 InChI Key: KJIFKLIQANRMOU-UHFFFAOYSA-N Synonym: p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate PubChem CID: 521998 IUPAC Name: 4-methylbenzenesulfonic acid;hydrate SMILES: CC1=CC=C(C=C1)S(=O)(=O)O.O

Promotions are available
PubChem CID 521998
CAS 6192-52-5
SMILES CC1=CC=C(C=C1)S(=O)(=O)O.O
Synonym p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate
IUPAC Name 4-methylbenzenesulfonic acid;hydrate
InChI Key KJIFKLIQANRMOU-UHFFFAOYSA-N
8

p-Toluenesulfonic acid sodium salt, 90+%, Thermo Scientific Chemicals

CAS: 657-84-1 Molecular Formula: C7H7NaO3S Molecular Weight (g/mol): 194.18 MDL Number: MFCD00798566,MFCD00064388 InChI Key: KVCGISUBCHHTDD-UHFFFAOYSA-M Synonym: sodium p-toluenesulfonate,sodium 4-methylbenzenesulfonate,sodium tosylate,p-toluenesulfonic acid sodium salt,sodium toluenesulfonate,sodium toluenesulphonate,tosylate, sodium,naxonate hydrotrope,cyclophil sts 70,eltesol st 34 PubChem CID: 3720192 IUPAC Name: sodium;4-methylbenzenesulfonate SMILES: [Na+].CC1=CC=C(C=C1)S([O-])(=O)=O

PubChem CID 3720192
CAS 657-84-1
Molecular Weight (g/mol) 194.18
MDL Number MFCD00798566,MFCD00064388
SMILES [Na+].CC1=CC=C(C=C1)S([O-])(=O)=O
Synonym sodium p-toluenesulfonate,sodium 4-methylbenzenesulfonate,sodium tosylate,p-toluenesulfonic acid sodium salt,sodium toluenesulfonate,sodium toluenesulphonate,tosylate, sodium,naxonate hydrotrope,cyclophil sts 70,eltesol st 34
IUPAC Name sodium;4-methylbenzenesulfonate
InChI Key KVCGISUBCHHTDD-UHFFFAOYSA-M
Molecular Formula C7H7NaO3S
10

1-(p-Toluenesulfonyl)-3-nitro-1,2,4-triazole, 98%, Thermo Scientific™

CAS: 77451-51-5 Molecular Formula: C9H8N4O4S Molecular Weight (g/mol): 268.25 MDL Number: MFCD00009756 InChI Key: ZQMJAWSQRGYFBM-UHFFFAOYSA-N Synonym: 3-nitro-1-tosyl-1h-1,2,4-triazole,1-p-toluenesulfonyl-3-nitro-1,2,4-triazole,1-4-toluenesulfonyl-3-nitro-1,2,4-triazole,1-4-methylphenyl sulfonyl-3-nitro-1,2,4-triazole,1-4-methylbenzenesulfonyl-3-nitro-1,2,4-triazole,tsnt,3-nitro-1-tosyl-1,2,4-triazole,1-p-toluenesulfonyl-3-nitro-1,2,4-triazol,3-nitro-1-p-tolylsulfonyl-1,2,4-triazole,3-nitro-1-p-toluenesulfonyl-1,2,4-triazole PubChem CID: 688072 IUPAC Name: 1-(4-methylphenyl)sulfonyl-3-nitro-1,2,4-triazole SMILES: CC1=CC=C(C=C1)S(=O)(=O)N1C=NC(=N1)[N+]([O-])=O

PubChem CID 688072
CAS 77451-51-5
Molecular Weight (g/mol) 268.25
MDL Number MFCD00009756
SMILES CC1=CC=C(C=C1)S(=O)(=O)N1C=NC(=N1)[N+]([O-])=O
Synonym 3-nitro-1-tosyl-1h-1,2,4-triazole,1-p-toluenesulfonyl-3-nitro-1,2,4-triazole,1-4-toluenesulfonyl-3-nitro-1,2,4-triazole,1-4-methylphenyl sulfonyl-3-nitro-1,2,4-triazole,1-4-methylbenzenesulfonyl-3-nitro-1,2,4-triazole,tsnt,3-nitro-1-tosyl-1,2,4-triazole,1-p-toluenesulfonyl-3-nitro-1,2,4-triazol,3-nitro-1-p-tolylsulfonyl-1,2,4-triazole,3-nitro-1-p-toluenesulfonyl-1,2,4-triazole
IUPAC Name 1-(4-methylphenyl)sulfonyl-3-nitro-1,2,4-triazole
InChI Key ZQMJAWSQRGYFBM-UHFFFAOYSA-N
Molecular Formula C9H8N4O4S