o-Tolidine, GR 99%+
Order o-Tolidine, GR 99%+ (CAS 119-93-7) online at Zemixal. Request a quote with price, lead time and documents. Purity 99%.
About o-Tolidine, GR 99%+
Researchers and plant chemists source o-Tolidine, GR 99%+ from Zemixal for routine and specialised work. Identity at a glance (AR): CAS 119-93-7, formula C14H16N2 and molar mass 212.29 g/mol. Typical appearance is grey powder.
Use cases we see most often
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Analytical determinations
Storage and safety notes
Reported physical data: melting point 128-131 °C. It carries the GHS signal word Danger (H302, H350 and H411), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 3077.
Standard pack sizes are 25 g, 100 g and 1 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. 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
- Analytical determinations
Applications
Grade guides
Specifications and identifiers
| Product name | o-Tolidine, GR 99%+ |
|---|---|
| Catalogue number | ZX-000665 |
| 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 |
| Grade | AR |
| Purity / assay | 99% |
| Physical form | Powder |
| Appearance | Grey powder |
| Melting point | 128-131 °C |
| 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
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | 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, GR 99%+
Which CAS number identifies o-Tolidine, GR 99%+?
What are the formula and molar mass of o-Tolidine, GR 99%+?
What grade and pack sizes are available for o-Tolidine, GR 99%+?
Which documents come with o-Tolidine, GR 99%+?
Can Zemixal ship o-Tolidine, GR 99%+ to my country?
Other grades with CAS 119-93-7
Related products
More in Stains, Fluorescent Dyes & Histology Reagents
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.