Diphenylamine
Diphenylamine (CAS: 122-39-4) is an organic compound with the formula (C6H5)2NH and a molecular weight of 169.22 g/mol. This secondary aromatic amine appears as an off-white to pale yellow solid. It is primarily utilised as a precursor in the synthesis of dyes, pharmaceuticals, and agrochemicals, and also finds application as a stabiliser for explosives and propellants. Tech Serve Solutions offers this chemical in Vetec™ reagent grade.
- Synonyms
- N-PhenylanilinePhenylaminobenzeneDibenzeneamineBenzenamine, N-phenyl-
Dye Synthesis
Diphenylamine serves as a key intermediate in the production of various dyes, particularly triphenylmethane dyes and other complex colorants. Its structure allows for further chemical modification to achieve desired colour properties.
Agrochemical Intermediate
It is employed in the synthesis pathway for certain pesticides and herbicides. Its chemical reactivity makes it a valuable building block for creating active ingredients in crop protection products.
Stabiliser for Propellants and Explosives
Diphenylamine acts as a chemical stabiliser, preventing the auto-decomposition of nitrocellulose-based propellants and smokeless powders. It scavenges nitrogen oxides, extending the shelf-life and ensuring the safety of these energetic materials.
Pharmaceutical Intermediate
The compound is used in the synthesis of specific pharmaceutical compounds. Its presence in synthetic routes contributes to the development of active pharmaceutical ingredients (APIs).
| Molecular weight | 169.22 |
|---|---|
| Linear formula | (C6H5)2NH |
| Assay | 98% |
| Grade | Vetec™ reagent grade |
| Boiling point | 302 °C(lit.) |
| Vapour pressure | 1 mmHg (108 °C) |
| Vapour density | 5.82 (vs air) |
| Melting point | 50-53 °C(lit.) |
| Autoignition temp | 1175 °F |
| Impurities tested | ≤0.01% insoluble in ethanol |
Hazard statements
- H301Toxic if swallowed
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Flash point | 153 °C / 307.4 °F |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/24/25-33-50/53 |
| Safety statements (S) | 28-36/37-45-60-61 |
| Cation traces | Fe: ≤10 mg/kg |
| Anion traces | nitrate (NO3-): in accordance |
| Ignition residue | ≤0.03% (as SO4) |
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 Diphenylamine used for?
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Diphenylamine is primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and agrochemicals. It also functions as a stabiliser for explosives and propellants.
What is the CAS number and formula for Diphenylamine?
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The CAS number for Diphenylamine is 122-39-4, and its linear formula is (C6H5)2NH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diphenylamine in Vetec™ reagent grade with an assay of 98%.
How should Diphenylamine be handled safely?
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Diphenylamine is toxic if swallowed, in contact with skin, or if inhaled (H301 + H311 + H331) and may cause damage to organs through prolonged or repeated exposure (H373). It is also very toxic to aquatic life with long lasting effects (H410). Handle with appropriate personal protective equipment in a well-ventilated area.
How is Diphenylamine packed, shipped, and exported?
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Diphenylamine is packed and shipped according to international regulations for hazardous materials, including UN 3077 classification. Tech Serve Solutions is experienced in global export procedures.
How can I request a quote or sample for Diphenylamine?
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To request a quote or sample for Diphenylamine, please contact our sales team through the website or by phone.
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