2-Methylbenzaldehyde
Names | |
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Preferred IUPAC name 2-Methylbenzaldehyde | |
Other names o-Tolualdehyde | |
Identifiers | |
CAS Number |
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3D model (JSmol) |
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3DMet |
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Beilstein Reference | 605841 |
ChEBI |
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ChEMBL |
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ChemSpider |
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ECHA InfoCard | 100.007.685 |
EC Number |
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Gmelin Reference | 3304 |
KEGG |
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PubChem CID |
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UNII |
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CompTox Dashboard (EPA) |
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InChI
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Properties | |
Chemical formula | 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: | |
Pictograms | |
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). Infobox references |
Chemical compound
2-Methylbenzaldehyde is an organic compound with the formula CH3C6H4CHO. It is a colorless liquid.[1]
Use and occurrence
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
References
- ^ H. B. Hass; Myron L. Bender (1950). "o-Tolualdehyde". Org. Synth. 30: 99. doi:10.15227/orgsyn.030.0099.
- ^ Lindsey, Jonathan S.; Wagner, Richard W. (1989). "Investigation of the synthesis of ortho-substituted tetraphenylporphyrins". J. Org. Chem. 54 (4): 828–36. doi:10.1021/jo00265a021.
- ^ 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 (4): 636–51. Bibcode:1993EnST...27..636R. doi:10.1021/es00041a007.