ChemicalBook > CAS DataBase List > 2-Benzoxazolinone
2-Benzoxazolinone
- Product Name
- 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
- Formula Weight
- 135.12
- MOL File
- 59-49-4.mol
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2-Benzoxazolinone Property
- 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)
- pka
- 9.50±0.70(Predicted)
- form
- Powder
- 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)
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Safety
- 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
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 157058
- Product name
- 2-Benzoxazolinone
- Purity
- 98%
- Packaging
- 100g
- Price
- $139
- Updated
- 2023/01/07
TCI Chemical
- Product number
- B0506
- Product name
- 2-Benzoxazolinone
- Purity
- >98.0%(GC)(T)
- Packaging
- 25g
- Price
- $51
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- A19378
- Product name
- 2-Benzoxazolinone, 98%
- Packaging
- 25g
- Price
- $46.65
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- A19378
- Product name
- 2-Benzoxazolinone, 98%
- Packaging
- 100g
- Price
- $125.65
- Updated
- 2024/03/01
TRC
- Product number
- B315730
- Product name
- 2-Benzoxazolinone
- Packaging
- 5g
- Price
- $45
- Updated
- 2021/12/16
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2-Benzoxazolinone Chemical Properties,Usage,Production
Chemical Properties
light beige to brown-grey powder. insoluble in water, soluble in benzene, chlorobenzene and other solvents.
Uses
2-Benzoxazolinone is used in the study of the antioxidant activity of heterocyclic chalcones, screening of hydrazines as inhibitors of immune suppressive enzyme indoleamine dioxygenase 1, design and the development of the inhibitors of nitric oxide synthases.
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.
Synthesis Reference(s)
Journal of Heterocyclic Chemistry, 6, p. 123, 1969 DOI: 10.1002/jhet.5570060124
Synthetic Communications, 34, p. 735, 2004 DOI: 10.1081/SCC-120027722
Synthesis, p. 1032, 1983 DOI: 10.1055/s-1983-30616
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.
Chemical Reactivity
2-benzazolinone is chemically active. in its molecular structure, the hydrogen atom at the 3-position can undergo a methylolation reaction with formaldehyde, and the hydrogen at the 6-position of the benzene ring is easily replaced by chlorine. it is easy to open ring to generate 2-hydroxyphenylamino acid in strong alkaline medium.
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
Preparation Products
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View Lastest Price from 2-Benzoxazolinone manufacturers
WUHAN FORTUNA CHEMICAL CO., LTD
- Product
- 2-Benzoxazolinone 59-49-4
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98%min
- Supply Ability
- 30tons/month
- Release date
- 2023-02-25
Hebei Guanlang Biotechnology Co., Ltd.
- Product
- 2-Benzoxazolinone 59-49-4
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10 mt
- Release date
- 2021-07-27
Honest Joy Holdings Limited
- Product
- 2-Benzoxazolinone 59-49-4
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98.4%
- Supply Ability
- 100 tons
- Release date
- 2022-02-18
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