p-Nitrophenylacetonitrile
Synonym(s):4-Nitrobenzyl cyanide
- CAS NO.：555-21-5
- Empirical Formula: C8H6N2O2
- Molecular Weight: 162.15
- MDL number: MFCD00007372
- EINECS: 209-085-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:20:38
What is p-Nitrophenylacetonitrile?
Chemical properties
Cream to yellow crystalline powder
The Uses of p-Nitrophenylacetonitrile
p-Nitrophenylacetonitrile is used as a radical inhibitor in the polymerization of vinyl acetate.
The Uses of p-Nitrophenylacetonitrile
In the preparation of p-nitrophenylacetic acid.
The Uses of p-Nitrophenylacetonitrile
4-Nitrophenylacetonitrile is used as a radical inhibitor in the polymerization of vinyl acetate. Toxic compound to tetrahymena pyriformis.
Synthesis Reference(s)
Tetrahedron Letters, 20, p. 1361, 1979 DOI: 10.1016/S0040-4039(01)86150-5
The Journal of Organic Chemistry, 52, p. 648, 1987 DOI: 10.1021/jo00380a028
Hazard
Toxic material
Safety Profile
Poison by intravenous route. When heated to decomposition it emits toxic fumes of NOx and CNí. See also NITRILES and NITRO COMPOUNDS OF AROMATIC HYDROCARBONS
Purification Methods
Crystallise the nitrile from EtOH. TOXIC. [Beilstein 9 H 456, 9 I 183, 9 II 313, 9 III 2291.]
Properties of p-Nitrophenylacetonitrile
| Melting point: | 113-115 °C(lit.) |
| Boiling point: | 195-197 °C (12.0016 mmHg) |
| Density | 1.3264 (rough estimate) |
| refractive index | 1.5770 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | Solubility Insoluble in water, soluble in ethanol, ether |
| form | Crystalline Powder |
| color | Cream to yellow |
| PH Range | Yellow (11.4) to Orange-red (12.9) |
| Water Solubility | INSOLUBLE |
| Merck | 14,6590 |
| BRN | 388442 |
| Exposure limits | NIOSH: IDLH 25 mg/m3 |
| Major Application | Recording materials, photography, forge-proof security paper |
| CAS DataBase Reference | 555-21-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzeneacetonitrile, 4-nitro-(555-21-5) |
| EPA Substance Registry System | Benzeneacetonitrile, 4-nitro- (555-21-5) |
Safety information for p-Nitrophenylacetonitrile
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H312:Acute toxicity,dermal H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P309:IF exposed or if you feel unwell: P310:Immediately call a POISON CENTER or doctor/physician. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P501:Dispose of contents/container to..… |
Computed Descriptors for p-Nitrophenylacetonitrile
| InChIKey | PXNJGLAVKOXITN-UHFFFAOYSA-N |
p-Nitrophenylacetonitrile manufacturer
JSK Chemicals
3Y
Phone:+91-9879767984
Whatsapp: +91-9879767970
product: 4-Nitrophenylacetonitrile, 98% 99%
SAKEM LLP
1Y
Phone:+91-9676889998
Whatsapp: +91-9676889998
product: 4-Nitrophenylacetonitrile 555-21-5 98%
ASM Organics
Andhra Pradesh
Phone:91-9866122393
Whatsapp: 91-9866122393
product: 4-Nitrophenylacetonitrile
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