Benzoxazole

CAS No.：273-53-0

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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Benzoxazole Basic information

Product Name:	Benzoxazole
Synonyms:	1,3-Benzoxazole;1-Oxa-3-aza-1H-indene;1-Oxa-3-azaindene;USAF ek-5017;BENZOXAZOLE;BENZOOXAZOLE;Benzoxazole, 99.7%;Benzoxazole,97%
CAS:	273-53-0
MF:	C7H5NO
MW:	119.12
EINECS:	205-988-9
Product Categories:	Building Blocks;Heterocyclic Building Blocks;Oxazoles
Mol File:	273-53-0.mol

Benzoxazole Chemical Properties

Melting point	27-30 °C(lit.)
Boiling point	182 °C(lit.)
density	1,175 g/cm³
refractive index	1.5594
Fp	137 °F
storage temp.	2-8°C
pka	1.17±0.10(Predicted)
form	Liquid
color	Clear yellow to light brown-orange
Water Solubility	Insoluble
BRN	109467
InChIKey	BCMCBBGGLRIHSE-UHFFFAOYSA-N
CAS DataBase Reference	273-53-0(CAS DataBase Reference)
NIST Chemistry Reference	Benzoxazole(273-53-0)
EPA Substance Registry System	Benzoxazole (273-53-0)

Safety Information

Hazard Codes	Xn,F,Xi
Risk Statements	22-36/37/38-11
Safety Statements	26-36/37/39-37/39-36
RIDADR	1325
WGK Germany	3
RTECS	DM4375000
TSCA	Yes
HazardClass	4.1
PackingGroup	III
HS Code	29349990
Toxicity	LD50 orl-mus: 750 mg/kg MDCHAG 4(1),336,64

MSDS Information

Provider	Language
Benzoxazole	English
SigmaAldrich	English
ACROS	English
ALFA	English

Benzoxazole Usage And Synthesis

Chemical Properties	COLORLESS TO YELLOW CRYST. LOW MELTING SOLID
Definition	ChEBI: A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.
Safety Profile	Poison by intraperitoneal andintravenous routes. Moderately toxic by ingestion. Whenheated to decomposition it emits toxic fumes such asNOx.

Benzoxazole Preparation Products And Raw materials

Preparation Products

2-(2-Pyridyl)benzoxazole-->BENZOOXAZOLE-2-CARBOXYLIC ACID-->2-(2-HYDROXYPHENYL)BENZOXAZOLE

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