2-Methylbenzoxazole Chemical Properties

Melting point:

5-10 °C(lit.)

Boiling point:

178 °C(lit.)

Density 

1.121 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.548(lit.)

FEMA 

4398 | 2-METHYL-4,5-BENZOXAZOLE

Flash point:

167 °F

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

pka

1.58±0.10(Predicted)

form 

clear liquid

Specific Gravity

1.121

color 

Colorless to Light yellow to Light orange

Odor

at 0.10 % in dipropylene glycol. tobacco burnt phenolic meaty powdery capers

Odor Type

tobacco

Water Solubility 

Not miscible in water.

JECFA Number

1557

BRN 

112297

InChIKey

BJEBCCKIVRWKGV-UHFFFAOYSA-N

LogP

1.82

CAS DataBase Reference

95-21-6(CAS DataBase Reference)

NIST Chemistry Reference

Benzoxazole, 2-methyl-(95-21-6)

EPA Substance Registry System

Benzoxazole, 2-methyl- (95-21-6)

Safety Information

Hazard Codes 

Xn,Xi,C

Risk Statements 

22-36/37/38-41-37/38-34-20/21/22

Safety Statements 

26-36/37/39-37/39-45-27

RIDADR 

UN 1760

WGK Germany 

3

RTECS 

DM4850000

F 

8

TSCA 

Yes

HazardClass 

8

PackingGroup 

III

HS Code 

29349990

MSDS

• Language:English Provider:2-Methylbenzoxazole
• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

2-Methylbenzoxazole Usage And Synthesis

Chemical Properties

clear colourless to yellow liquid

Chemical Properties

Yellowish liquid; burnt roast aroma.

Uses

2-Methylbenzoxazole has been used in synthesis of bis-styryl dyes. It is also used in medicine and for the synthesis of other organic compounds.

Definition

ChEBI: A member of the class of 1,3-benzoxazoles that is 1,3-benzoxazole substituted by a methyl group at position 2.

Aroma threshold values

High strength odor, tobacco type; recommend smelling in a 0.10% solution or less.

Synthesis Reference(s)

Tetrahedron Letters, 37, p. 675, 1996 DOI: 10.1016/0040-4039(95)02240-6

Biochem/physiol Actions

Odor at 1.0%: Musty, nutty pecan, almond and pistachio-like, tobacco, vanilla-like with brown roasted burnt rubber and cooked rice-like nuances.Taste at 2.0ppm: Musty, nutty, vanilla and rice-like.

2-Methylbenzoxazole(95-21-6)Related Product Information

• Tolyltriazole
• 1H-Benzotriazole
• Difenoconazole
• Albendazole
• 2,1,3-Benzothiadiazole
• 2-Phenylbenzoxazole
• 2,5-Dimethylbenzoxazole
• 2-METHYLNAPHTHO(2,1-D)OXAZOLE
• 5-CHLORO-2-METHYLBENZOXAZOLE,5-CHLORO-2-METHYLBENZOXAZOLE 98+%,Chloro-2-methylbenzoxazole
• 3,3'-DIETHYLOXADICARBOCYANINE IODIDE
• 5-Methyl-1H-benzotriazole
• 2-(2-HYDROXYPHENYL)BENZOXAZOLE
• 2,5,6-TRIMETHYLBENZOXAZOLE
• 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
• 2-Chloro-3-ethylbenzoxazolium tetrafluoroborate
• BBOT
• 2-(4-BIPHENYLYL)-6-PHENYLBENZOXAZOLE
• 2-Methyl-5-phenylbenzoxazole