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2-Methylbenzoxazole

CAS No.
95-21-6
Chemical Name:
2-Methylbenzoxazole
Synonyms
2-Methylbenzoxazol;Benzoxazole, 2-methyl-;TABAXOL;2-METHYL-4,5-BENZOXAZOLE;2-Methyl-1,3-benzoxazole;usafek-982;USAF ek-982;methyl benzoxole;METHYLBENZOXAZOLE;2-METHYLBENZOXAZOLE
CBNumber:
CB1340839
Molecular Formula:
C8H7NO
Molecular Weight:
133.15
MDL Number:
MFCD00005771
MOL File:
95-21-6.mol
MSDS File:
SDS
Last updated:2023-05-25 18:00:59

2-Methylbenzoxazole 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
form clear liquid
pka 1.58±0.10(Predicted)
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)
Substances Added to Food (formerly EAFUS) 2-METHYL-4,5-BENZOXAZOLE
EWG's Food Scores 1
FDA UNII Z0P021V3TI
NIST Chemistry Reference Benzoxazole, 2-methyl-(95-21-6)
EPA Substance Registry System Benzoxazole, 2-methyl- (95-21-6)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS05,GHS07
Signal word  Danger
Hazard statements  H302-H315-H318-H335
Precautionary statements  P261-P280-P305+P351+P338
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
8
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29349990
NFPA 704
2
2 0

2-Methylbenzoxazole price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 108936 2-Methylbenzoxazole 99% 95-21-6 25g $59 2023-06-20 Buy
TCI Chemical M0557 2-Methylbenzoxazole >99.0%(GC) 95-21-6 25g $59 2024-03-01 Buy
TCI Chemical M0557 2-Methylbenzoxazole >99.0%(GC) 95-21-6 500g $276 2021-12-16 Buy
Alfa Aesar A13198 2-Methylbenzoxazole, 98% 95-21-6 25g $54.65 2024-03-01 Buy
Alfa Aesar A13198 2-Methylbenzoxazole, 98% 95-21-6 100g $169.65 2024-03-01 Buy
Product number Packaging Price Buy
108936 25g $59 Buy
M0557 25g $59 Buy
M0557 500g $276 Buy
A13198 25g $54.65 Buy
A13198 100g $169.65 Buy

2-Methylbenzoxazole Chemical Properties,Uses,Production

Chemical Properties

clear colourless to yellow liquid

Chemical Properties

Yellowish liquid, solidifying in the cold.
Insoluble in water, soluble in alcohol, miscible with most oils. Very sweet odor of rather gassy-pungent character when undiluted, becoming floralsweet, heavy, when diluted.

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.

Production Methods

2-Methylbenzoxazole can be produced from ortho-Aminophenol plus Acetic anhydride by heating and distilling.

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.

127-19-5
95-55-6
95-21-6
Synthesis of 2-Methylbenzoxazole from N,N-Dimethylacetamide and 2-Aminophenol
Global( 167)Suppliers
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Springchem New Material Technology Co.,Limited
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Career Henan Chemica Co
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Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671 sales@tnjchem.com China 34571 58

View Lastest Price from 2-Methylbenzoxazole manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-methylbenzoxazole pictures 2022-01-15 2-methylbenzoxazole
95-21-6
US $0.00 / KG 1KG 99.3% 100 tons Honest Joy Holdings Limited
2-Methylbenzoxazole pictures 2021-08-12 2-Methylbenzoxazole
95-21-6
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
	2-Methylbenzoxazole pictures 2019-09-02 2-Methylbenzoxazole
95-21-6
US $7.00 / KG 1KG 99% JD 348 Career Henan Chemical Co
  • 2-Methylbenzoxazole pictures
  • 2-Methylbenzoxazole
    95-21-6
  • US $15.00-10.00 / KG
  • 99%+ HPLC
  • Zhuozhou Wenxi import and Export Co., Ltd
2-METHYL-4,5-BENZO-OXAZOLE 2-Methyl-benzooxazole USAF ek-982 usafek-982 TABAXOL (2-METHYL-BENZOXAZOLE) 2-Methylbenzoxazole,99% 3-(2-Bromophenyl)-5-(2-chlorophenyl)-1,2,4-oxadiazole 3-(2-Bromophenyl)-5-(2-fluorophenyl)-1,2,4-oxadiazole 3-(2-Bromophenyl)-5-(3-nitrophenyl)-1,2,4-oxadiazole 3-(3-Bromophenyl)-1,2,4-oxadiazole 3-(4-Bromophenyl)-5-propyl-1,2,4-oxadiazole 3-(4-Nitrophenyl)-5-propyl-1,2,4-oxadiazole 5-(2,4-Dichlorophenyl)-3-(3-nitrophenyl)-1,2,4-oxadiazole 5-(2-Methoxyphenyl)-3-(3-nitrophenyl)-1,2,4-oxadiazole 5-(3-Chlorophenyl)-3-(3-nitrophenyl)-1,2,4-oxadiazole 5-(3-Chlorophenyl)-3-(4-nitrophenyl)-1,2,4-oxadiazole 5-Cyclohexyl-3-(4-nitrophenyl)-1,2,4-oxadiazole METHYLBENZOXAZOLE 2-METHYLBENZODOXAZOLE 2-METHYLBENZOXAZOLE 1-ACETYLIDENE-O-AMINOPHENOL 2-Methylbenzoxazoic 2-Methylbenzoxazole> methyl benzoxole 2-METHYL-4,5-BENZOXAZOLE 2-Methylbenzoxazol 2-Methyl-1,3-benzoxazole TABAXOL Benzoxazole, 2-methyl- 95-21-6 C15H11N3O4 Heterocyclic Building Blocks Oxazoles Building Blocks Oxazole&Isoxazole Heterocyclic Compounds Building Blocks Heterocyclic Building Blocks Intermediates of Dyes and Pigments NitroCompounds FluoroCompounds blocks Bromides Oxazoles