Overview
P-tolunitrile (CAS 104-85-8 ), also known as 4-cyanotoluene, is an aromatic nitrile compound used as a chemical intermediate in the synthesis of active ingredients and specialty chemicals.
It functions primarily as a building block in pharmaceutical, fragrance, and agrochemical manufacturing rather than as a finished product. In pharmaceutical synthesis, it serves as a precursor to active pharmaceutical ingredients.
The nitrile group undergoes hydrolysis, reduction, or cyclization to produce target molecules. Fragrance manufacturers use it as an intermediate in the production of aromatic compounds where controlled functionalization is required.
In agrochemical production, it contributes to the synthesis of herbicides and fungicides through established nitrile chemistry pathways. Industrial cleaning and biocide formulations may incorporate derivatives produced from this intermediate.
P-tolunitrile is supplied as a liquid at ambient conditions, with purity grades typically ranging from technical to high-purity for pharmaceutical and specialty chemical applications.
It is available in standard packaging configurations including drums and intermediate bulk containers suited to industrial procurement volumes. Buyers should confirm purity specifications and impurity profiles directly with the supplier.
This ensures suitability for regulated synthesis processes. The material is handled according to standard industrial safety protocols for aromatic nitriles to maintain product integrity and operational safety.
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Physical Properties
| Melting Point | 29.5 °C |
| Boiling Point | 220 °C |
| Density | 0.981 g/mL at 25 °C(lit.) |
| Flash Point | 185 °F |
| Appearance | beige solid |
| Color | Clear |
| Form | Viscous Liquid |
| Water Solubility | <0.1 g/100 mL at 17 ºC |
| Refractive Index | 1.5285-1.5305 |
Safety & Handling
Danger GHS07 GHS08 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled H335 May cause respiratory irritation H412 Harmful to aquatic life with long lasting effects Precautionary Statements P233 Keep container tightly closed. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 In case of inadequate ventilation wear respiratory protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P403 Store in a well-ventilated place. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P342+P316 Get emergency medical help immediately. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29269095 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 2 |
Other Names
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Chemical Properties
- CAS Number
- 104-85-8
- EC Number
- 203-244-8
- Mol. Weight
- 117.15
- HS Code
- 29269095
- Category
- Heterocyclic Compounds