2-Methylbenzaldehyde

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2-Methylbenzaldehyde
2-Methylbenzaldehyde.svg
Names
Preferred IUPAC name
2-Methylbenzaldehyde
Other names
o-Tolualdehyde
Identifiers
3D model (JSmol)
3DMet
605841
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.007.685 Edit this at Wikidata
EC Number
  • 208-452-2
3304
KEGG
UNII
  • InChI=1S/C8H8O/c1-7-4-2-3-5-8(7)6-9/h2-6H,1H3
    Key: BTFQKIATRPGRBS-UHFFFAOYSA-N
  • CC1=CC=CC=C1C=O
Properties
C8H8O
Molar mass 120.151 g·mol−1
Appearance colorless liquid
Density 1.0328 g/cm3 (20 °C)
Melting point −35 °C (−31 °F; 238 K)
Boiling point 199–200 °C (390–392 °F; 472–473 K)
Hazards
GHS labelling:
GHS05: CorrosiveGHS07: Exclamation mark
Danger
H302, H314, H315, H319, H335
P260, P261, P264, P270, P271, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501
Flash point 67 °C; 153 °F; 340 K
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

2-Methylbenzaldehyde is an organic compound with the formula CH3C6H4CHO. It is a colorless liquid.[1]

Use and occurrence[edit]

Of its many reactions, 2-methylbenzaldehyde undergoes BF3-induced Rothemund condensation with pyrrole to give atropoisomers of tetrakis(o-tolyl)porphyrin.[2]

It is one of main benzaldehyde component of automobile exhaust.[3]

Related compounds[edit]

References[edit]

  1. ^ H. B. Hass; Myron L. Bender (1950). "o-Tolualdehyde". Org. Synth. 30: 99. doi:10.15227/orgsyn.030.0099.
  2. ^ Lindsey, Jonathan S.; Wagner, Richard W. (1989). "Investigation of the synthesis of ortho-substituted tetraphenylporphyrins". J. Org. Chem. 54: 828-36. doi:10.1021/jo00265a021.
  3. ^ Rogge, Wolfgang F.; Hildemann, Lynn M.; Mazurek, Monica A.; Cass, Glen R.; Simoneit, Bernd R. T. (1993). "Sources of fine organic aerosol. 2. Noncatalyst and catalyst-equipped automobiles and heavy-duty diesel trucks". Environmental Science and Technology. 27: 636–51. doi:10.1021/es00041a007.