CAS No 25155-15-1 , Benzene,methyl(1-methylethyl)-

Name: Benzene,methyl(1-methylethyl)-
Synonyms: Cymol; Isopropyltoluene; Methyl(1-methylethyl)benzene;Benzene,methyl(1-methylethyl)-;Methylisopropylbenzene;Cymene(8CI);
CAS Registry Number:25155-15-1
Flash Point: 47.2°C
Boiling Point: 173.9°Cat760mmHg
Density: 0.861g/cm³
Refractive index: 1.492
Flash Point: 47.2°C
EINECS: 246-674-1
Molecular Weight: 134.2182
InChI: InChI=1/C10H14/c1-8(2)10-6-4-9(3)5-7-10/h4-8H,1-3H3
Molecular Formula: C10H14
Molecular Structure:

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References of Benzene,methyl(1-methylethyl)-

Title: Cymene
CAS Registry Number: 25155-15-1
CAS Name: Methyl(1-methylethyl)benzene
Synonyms: isopropyltoluene; methylisopropylbenzene
Molecular Formula: C10H14
Molecular Weight: 134.22
Percent Composition: C 89.49%, H 10.51%
Literature References: Usually prepd by alkylation of toluene; m-, o- and p-isomers obtained: Allen, Yats, J. Am. Chem. Soc. 83, 2799 (1961). Purification and properties of the three isomers: Streiff et al., Anal. Chem. 27, 411 (1955). Separation of the three isomers by gas chromatography: Rihani, Froment, J. Chromatogr. 18, 150 (1965). Toxicity study: P. M. Jenner et al., Food Cosmet. Toxicol. 2, 327 (1964).

Derivative Type: m-Cymene
CAS Registry Number: 535-77-3
Synonyms: 1-Methyl-3-(1-methylethyl)benzene
Properties: Liquid, bp 175.14°. mp -63.75°. d420 0.8610, d425 0.8570. nD20 1.4930, nD25 1.4906. Practically insol in water. Miscible with alcohol, ether.
Melting point: mp -63.75°
Boiling point: bp 175.14°
Index of refraction: nD20 1.4930; nD25 1.4906
Density: d420 0.8610; d425 0.8570

Derivative Type: o-Cymene
CAS Registry Number: 527-84-4
Synonyms: 1-Methyl-2-(1-methylethyl)benzene
Properties: Liquid, bp 178.15°. mp -71.54°; also reported as -75.24° and -81.53° for two unstable solid forms (Streiff). d420 0.8766, d425 0.8726. nD20 1.5006, nD25 1.4982. Practically insol in water. Miscible with organic solvents.
Melting point: mp -71.54°; also reported as -75.24° and -81.53° for two unstable solid forms (Streiff)
Boiling point: bp 178.15°
Index of refraction: nD20 1.5006; nD25 1.4982
Density: d420 0.8766; d425 0.8726

Derivative Type: p-Cymene
CAS Registry Number: 99-87-6
Synonyms: 1-Methyl-4-(1-methylethyl)benzene; Dolcymene
Properties: Occurs in a number of essential oils. Liquid, bp 177.10°. mp -67.94°. d420 0.8573, d425 0.8533. nD20 1.4909, nD25 1.4885. Flash pt, closed cup: 117°F (47°C). Practically insol in water. Misc with alcohol, ether. LD50 orally in rats: 4750 mg/kg (Jenner).
Melting point: mp -67.94°
Boiling point: bp 177.10°
Flash point: Flash pt, closed cup: 117°F (47°C)
Index of refraction: nD20 1.4909; nD25 1.4885
Density: d420 0.8573; d425 0.8533
Toxicity data: LD50 orally in rats: 4750 mg/kg (Jenner)