o-Tolidine
o-Tolidine (CAS 119-93-7) supplier Zemixal: C14H16N2, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-000662.
About o-Tolidine
o-Tolidine is part of the Zemixal stains, Fluorescent Dyes & Histology Reagents range. For your records, the material is defined by CAS 119-93-7, formula C14H16N2 and molar mass 212.29 g/mol. Typical appearance is light brown to brown liquid.
Where it is used
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Storage and safety notes
Classified under GHS with signal word Danger and hazard statements H302, H350 and H411. Read the SDS before first use. For transport it ships as UN UN 3077.
Standard pack sizes are 500 mL and 5 L, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Applications
Specifications and identifiers
| Product name | o-Tolidine |
|---|---|
| Catalogue number | ZX-000662 |
| CAS number | 119-93-7 |
| IUPAC name | 4-(4-amino-3-methylphenyl)-2-methylaniline |
| Molecular formula | C14H16N2 |
| Molar mass | 212.29 g/mol |
| Exact mass | 212.1313 |
| Physical form | Liquid |
| Appearance | Light brown to brown liquid |
| XLogP3 | 2.3 |
| H-bond donors / acceptors | 2 / 2 |
| Topological polar surface area | 52 Ų |
| HS code | 29214330 |
| UN number | UN 3077 |
| InChIKey | NUIURNJTPRWVAP-UHFFFAOYSA-N |
| SMILES | CC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)C)N |
| PubChem CID | 8413 |
| Synonyms | 3,3'-Dimethylbenzidine, 4,4'-Bianisidine, Orthotolidine, Diaminoditolyl, 2-Tolidine, Bianisidine, Diaminotolyl, 4,4'-Bi-o-toluidine, 3,3'-Tolidine, Fast Dark Blue Base R, 3,3'-Dimethyl-4,4'-biphenyldiamine, 3,3'-Dimethyl-4,4'-diaminobiphenyl |
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
- H350May cause cancer
- H411Toxic to aquatic life with long lasting effects
Precautionary statements P203, P264, P270, P273, P280, P301 + P317, P318, P330, P391, 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
| 500 mL | Quoted on request | |
| 5 L | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about o-Tolidine
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Other grades with CAS 119-93-7
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