o-Cresol-4-sulfonic Acid
Buy o-Cresol-4-sulfonic Acid (CAS 7134-04-5) from Zemixal: C7H8O4S, COA and SDS with every lot, worldwide shipping. Quotes within one business day.
About o-Cresol-4-sulfonic Acid
Zemixal supplies o-Cresol-4-sulfonic Acid within its pharma Intermediates & Building Blocks portfolio. Key data: CAS 7134-04-5, formula C7H8O4S and molar mass 188.2 g/mol.
Use cases we see most often
- Organic synthesis
- API synthesis
Safe handling
Hazard communication follows GHS (Danger: H302, H314, H318 and H412). Our SDS lists exposure controls and first-aid measures.
Available as 100 mg, 250 mg, 1 g and 5 g. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Organic synthesis
- API synthesis
Applications
Specifications and identifiers
| Product name | o-Cresol-4-sulfonic Acid |
|---|---|
| Catalogue number | ZX-045664 |
| CAS number | 7134-04-5 |
| IUPAC name | 4-hydroxy-3-methylbenzenesulfonic acid |
| Molecular formula | C7H8O4S |
| Molar mass | 188.2 g/mol |
| Exact mass | 188.0143 |
| XLogP3 | 0.1 |
| H-bond donors / acceptors | 2 / 4 |
| Topological polar surface area | 83 Ų |
| InChIKey | YCOXCINCKKAZMJ-UHFFFAOYSA-N |
| SMILES | CC1=C(C=CC(=C1)S(=O)(=O)O)O |
| PubChem CID | 407379 |
| Synonyms | Benzenesulfonic acid, 4-hydroxy-3-methyl-, 4-(o-Cresol)sulfonic acid, 2-methyl-1-phenol-4-sulfonic acid, 2-Methylphenol-4-sulfonic acid, 3-Methyl-4-hydroxybenzenesulfonic acid, m-Toluenesulfonic acid, 4-hydroxy-, 4-hydroxy-3-methylbenzene-1-sulfonic acid, o-Cresol-4-sulphonic acid, 3-methyl-4-hydroxy-benzenesulfonic acid, 4-hydroxy-3-methyl-benzenesulfonic acid |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H318Causes serious eye damage
- H412Harmful to aquatic life with long lasting effects
Precautionary statements P260, P264, P264 + P265, P270, P273, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P330, P363, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 1 g | Quoted on request | |
| 5 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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