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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.
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Keyword Search:
1 – 9 of 9 results
1

p-Toluenesulfonic acid monohydrate, 99%, extra pure

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%

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
4

p-Toluenesulfonic acid monohydrate, ACS, 98.5+%

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
5

p-Toluenesulfonic acid monohydrate, 97%

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 sodium salt, 90+%

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
7

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
9

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