o-Dianisidine
O-Dianisidine (CAS: 119-90-4), with the molecular formula C14H16N2O2 and a molecular weight of 244.29 g/mol, is a chemical compound primarily recognised for its utility as an analytical reagent. It is employed in spectrophotometric determinations and for the detection of various metal ions and anions. TSS supplies this compound for research and analytical purposes.
- IUPAC
- 3,3′-Dimethoxybenzidine,Fast Blue B
- Synonyms
- 3,3′-DimethoxybenzidineFast Blue B Base
Spectrophotometric Determinations
O-Dianisidine serves as a reagent in spectrophotometric methods for the quantitative analysis of certain substances. Its ability to form coloured complexes allows for sensitive detection and measurement.
Metal Ion Detection
This compound is utilised for the qualitative and quantitative detection of several metal ions, including gold (Au), cobalt (Co), and copper (Cu). It can also be used for the detection of specific anions like thiocyanate (SCN-).
Analytical Reagent
As a versatile analytical reagent, O-Dianisidine finds application in various laboratory procedures. It is also specified for the detection of Vanadium (V) and Cerium (IV).
| Molecular weight | 244.29 |
|---|---|
| Empirical formula | C14H16N2O2 |
| Assay | ≥97.0% (CHN)≥97.0% |
| Solubility | H2O: slightly solubleaqueous acid: soluble |
Hazard statements
- H302Harmful if swallowed
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P308IF exposed or concerned
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 206 °C / 402.8 °F |
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-22 |
| Safety statements (S) | 53-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is O-Dianisidine used for?
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O-Dianisidine (CAS: 119-90-4) is primarily used as an analytical reagent for spectrophotometric determinations and for the detection of metal ions such as gold, cobalt, copper, and vanadium, as well as anions like thiocyanate. It is also used for detecting Cerium (IV).
What are the CAS number and molecular formula for O-Dianisidine?
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The CAS number for O-Dianisidine is 119-90-4, and its molecular formula is C14H16N2O2.
What grade and purity does Tech Serve Solutions supply for O-Dianisidine?
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Tech Serve Solutions supplies O-Dianisidine with an assay of ≥97.0% (CHN) or ≥97.0%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should O-Dianisidine be handled safely?
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O-Dianisidine is classified as dangerous. It is harmful if swallowed (H302) and suspected of causing cancer (H350). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection (type N100 or P3 filters), must be used. Handle only with adequate ventilation and follow all safety precautions (P201, P308 + P313).
Is O-Dianisidine a controlled substance?
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The provided data does not indicate that O-Dianisidine is a controlled substance. However, users should always verify local regulations.
How is O-Dianisidine packed and shipped?
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O-Dianisidine is shipped as UN 3077, Class 9, Packing Group III. Please contact TSS for specific packaging and shipping details pertaining to your region.
How can I request a sample or quote for O-Dianisidine?
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To request a sample or obtain a quote for O-Dianisidine, please contact the Tech Serve Solutions sales team through our website or by phone, referencing the product CAS number 119-90-4.
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