2-Benzoxazolinone
- CAS No.
- 59-49-4
- Chemical Name:
- 2-Benzoxazolinone
- Synonyms
- BENZOXAZOLONE;3H-BENZOOXAZOL-2-ONE;usafek-5429;USAF ek-5429;AKOS B029757;2-Benzoxaxolol;2-Benzoxazolol;2-BENZOXAZOLONE;Benzoxazolinone;Benzoxazole-2-ol
- CBNumber:
- CB3763735
- Molecular Formula:
- C7H5NO2
- Molecular Weight:
- 135.12
- MOL File:
- 59-49-4.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/5/25 18:01:07
| Melting point | 137-139 °C(lit.) |
|---|---|
| Boiling point | 248.79°C (rough estimate) |
| Density | 1.3124 (rough estimate) |
| refractive index | 1.5800 (estimate) |
| Flash point | 160 °C |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Powder |
| pka | 9.50±0.70(Predicted) |
| color | Light beige to brown-gray |
| Water Solubility | soluble in hot water |
| BRN | 119481 |
| InChIKey | ASSKVPFEZFQQNQ-UHFFFAOYSA-N |
| LogP | 1.160 |
| CAS DataBase Reference | 59-49-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzoxazolone(59-49-4) |
| EPA Substance Registry System | 2-Benzoxazolinone (59-49-4) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302+H312+H332 | |||||||||
| Precautionary statements | P280-P301+P312+P330-P302+P352+P312-P304+P340+P312 | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 20/21/22-22-24/25-36/37/38 | |||||||||
| Safety Statements | 36-24/25-26 | |||||||||
| RIDADR | 2811 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | DM4905000 | |||||||||
| Hazard Note | Harmful | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 29349990 | |||||||||
| Toxicity | LD50 orl-rat: 700 mg/kg MDCHAG 4(1),308,64 | |||||||||
| NFPA 704 |
|
2-Benzoxazolinone price More Price(4)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 157058 | 2-Benzoxazolinone 98% | 59-49-4 | 100G | ₹8486.8 | 2022-06-14 | Buy |
| TCI Chemicals (India) | B0506 | 2-Benzoxazolinone min. 98.0 % | 59-49-4 | 25G | ₹3000 | 2022-05-26 | Buy |
| ottokemi | B 1617 | 2-Benzoxazolinone 98% | 59-49-4 | 25gm | ₹4032 | 2022-05-26 | Buy |
| ottokemi | B 1617 | 2-Benzoxazolinone 98% | 59-49-4 | 100gm | ₹8406 | 2022-05-26 | Buy |
2-Benzoxazolinone Chemical Properties,Uses,Production
Chemical Properties
light beige to brown-grey powder. insoluble in water, soluble in benzene, chlorobenzene and other solvents.
Preparation
2-benzoxazolinone synthesis method: add o-aminophenol, urea and solvent chlorobenzene into the reaction kettle, protect with nitrogen, the reaction temperature is 50～132 ℃, the reaction time is 6h, after the reaction is completed, it is cooled with ice brine, crystallized, Filter the finished product. It is also possible to use o-aminophenol to react with phosgene in the solvent chlorobenzene, quickly pass phosgene within 20 ~ 40 ° C, then heat up to 100 ~ 130 ° C, and then pass phosgene at a lower speed, after the reaction is completed, pass nitrogen to catch up. Phosgene, after work-up, can also obtain 2-benzoxazolinone.
Definition
ChEBI: 2-benzoxazolinone is a member of the class of benzoxazoles that is 2,3-dihydro-1,3-benzoxazole carrying an oxo group at position 2. It has a role as an allelochemical and a phytoalexin.
General Description
2-Benzoxazolinone is a phytoanticipin and its biotransformation by endophytic fungi isolated from Aphelandra tetragona was studied. 2-Benzoxazolinone is a natural chemical produced by rye (Secale cereale) and has strong phytotoxic properties.
Safety Profile
Poison by intraperitoneal route.Moderately toxic by ingestion. When heated todecomposition it emits toxic fumes of NOx.
2-Benzoxazolinone Preparation Products And Raw materials
Raw materials
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