BENZOXAZOLE
Benzoxazole
CAS: 273-53-0
Molecular Formula: C7H5NO
BENZOXAZOLE - Names and Identifiers
| Name | Benzoxazole |
| Synonyms | NSC 3982 AI3-05743 BENZOXAZOLE Benzoxazole BENZOOXAZOLE USAF ek-5017 USAF EK-5017 1,3-benzoxazole 1,3-Benzoxazole 1-Oxa-3-azaindene 1-Oxa-3-aza-1H-indene |
| CAS | 273-53-0 |
| EINECS | 205-988-9 |
| InChI | InChI=1/C7H5NO/c1-2-4-7-6(3-1)8-5-9-7/h1-5H |
| InChIKey | BCMCBBGGLRIHSE-UHFFFAOYSA-N |
BENZOXAZOLE - Physico-chemical Properties
| Molecular Formula | C7H5NO |
| Molar Mass | 119.12 |
| Density | 1,175 g/cm3 |
| Melting Point | 27-30°C(lit.) |
| Boling Point | 182°C(lit.) |
| Flash Point | 137°F |
| Water Solubility | Insoluble |
| Vapor Presure | 1.1mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear yellow to light brown-orange |
| BRN | 109467 |
| pKa | 1.17±0.10(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.5594 |
BENZOXAZOLE - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R11 - Highly Flammable |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S37/39 - Wear suitable gloves and eye/face protection S36 - Wear suitable protective clothing. |
| UN IDs | 1325 |
| WGK Germany | 3 |
| RTECS | DM4375000 |
| TSCA | Yes |
| HS Code | 29349990 |
| Hazard Class | 4.1 |
| Packing Group | III |
| Toxicity | LD50 orl-mus: 750 mg/kg MDCHAG 4(1),336,64 |
BENZOXAZOLE - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| category | toxic substances |
| toxicity classification | poisoning |
| acute toxicity | oral administration-mouse LD50: 750 mg/kg; Abdominal cavity-mouse LD50: 179 mg/kg |
| flammability hazard characteristics | combustible; combustion produces toxic nitrogen oxide smoke |
| storage and transportation characteristics | ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
Last Update：2024-04-09 02:00:03
