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Substance Name: p-Toluenesulfonic acid
RN: 104-15-4
UNII: QGV5ZG5741
InChIKey: JOXIMZWYDAKGHI-UHFFFAOYSA-N
Molecular Formula
- C7-H8-O3-S
Molecular Weight
- 172.2032
- All
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
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Names and Synonyms
Name of Substance
- 4-Methylbenzenesulfonic acid
- 4-Toluenesulfonic acid
- Benzenesulfonic acid, 4-methyl-
- p-Toluenesulfonic acid
- Toluene sulfonic acid
Synonyms
- 4-11-00-00241 (Beilstein Handbook Reference)
- 4-Methylbenzenesulfonic acid
- 4-Toluenesulfonic acid
- AI3-26478
- Benzenesulfonic acid, 4-methyl-
- Benzenesulfonic acid, methyl-
- BRN 0472690
- Cyclophil P T S A
- Cyzac 4040
- EC 203-180-0
- EINECS 203-180-0
- Eltesol
- HSDB 2026
- K-Cure 040
- K-Cure 1040
- Kyselina p-toluenesulfonova
- Kyselina p-toluenesulfonova [Czech]
- Kyselina p-toluensulfonova
- Kyselina p-toluensulfonova [Czech]
- Manro PTSA 65 E
- Manro PTSA 65 H
- Manro PTSA 65 LS
- Methylbenzenesulfonic acid
- Nacure 1040
- NSC 167068
- p-Methylbenzenesulfonic acid
- p-Methylphenylsulfonic acid
- p-Toluene sulfonate
- p-Toluenesulphonic acid
- p-Toluolenesulfonic acid
- p-Tolylsulfonic acid
- Toluenesulfonic acid
- Toluenesulfonic acid (VAN)
- Tosic acid
- TSA-HP
- TSA-MH
- UNII-QGV5ZG5741
Systematic Names
- ar-Toluenesulfonic acid (8CI)
- Benzenesulfonic acid, 4-methyl-
- p-Toluenesulfonic acid
- Toluene-4-sulphonic acid
Superlist Names
- Benzenesulfonic acid, 4-methyl-
- p-Toluenesulfonic acid
- Toluenesulfonic acid
Registry Numbers
CAS Registry Number
- 104-15-4
FDA UNII
- QGV5ZG5741
Other Registry Numbers
- 100901-72-2
- 1023356-14-0
- 114213-96-6
- 119314-18-0
- 126033-27-0
- 128739-80-0
- 144647-92-7
- 156627-46-2
- 185568-48-3
- 210357-81-6
- 227313-49-7
- 369371-25-5
- 402-47-1
- 51506-29-7
- 613262-31-0
Related Registry Numbers
- 13438-45-4 (zinc salt)
- 1470-83-3 (lithium salt)
- 16106-44-8 (potassium salt)
- 16836-95-6 (silver(+1) salt)
- 36747-44-1 (calcium salt)
- 4124-42-9 (ammonium salt)
- 51650-46-5 (magnesium salt)
- 6192-52-5 (monohydrate)
- 657-84-1 (hydrochloride salt)
- 7144-37-8 (copper(2+) salt)
System Generated Number
- 0000104154
Structure Descriptors
InChI
1S/C7H8O3S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3,(H,8,9,10)InChIKey
JOXIMZWYDAKGHI-UHFFFAOYSA-NSmiles
S(c1ccc(C)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| quail | LD50 | oral | > 316mg/kg (316mg/kg) | Ecotoxicology and Environmental Safety. Vol. 6, Pg. 149, 1982. | |
| rat | LD50 | oral | 2480mg/kg (2480mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1055, 1986. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | 104.5 | deg C | EXP | |
| pKa Dissociation Constant | -1.34E+00 | (none) | EXP | |
| log P (octanol-water) | -0.620 | (none) | EST | |
| Water Solubility | 6.20E+05 | mg/L | EXP | |
| Vapor Pressure | 2.70E-06 | mm Hg | 25 | EST |
| Henry's Law Constant | 2.78E-09 | atm-m3/mole | 25 | EST |
| Atmospheric OH Rate Constant | 1.36E-12 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.