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700-12-9 - Pentamethylbenzene, 99% - L04163 - Alfa Aesar

L04163 Pentamethylbenzene, 99%

CAS Number
700-12-9
Synonyms

Size Price ($) Quantity Availability
5g 27.20
25g 78.40
100g 218.00
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Pentamethylbenzene, 99%

MDL
MFCD00008522
EINECS
211-837-8

Chemical Properties

Formula
C11H16
Formula Weight
148.25
Melting point
50-51°
Boiling Point
231-232°
Flash Point
91°(195°F)
Density
0.917

Applications

Pentamethylbenzene is used to prepare a mixture of nitropentamethylbenzene and 2,3,4,5-tetramethylbenzyl nitrate1. It was also used to prepare propene.

Notes

Incompatible with oxidizing agents. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

Literature References

Yingxin Sun; Sheng Han. Mechanistic investigation of methanol to propene conversion catalyzed by H-beta zeolite: a two-layer ONIOM study.Journal of Molecular Modeling.2013, 19 (12), 5407-5422 .

S Bhattacharya; M Banerjee; A K Mukherjee. Study of the formation equilibria of electron donor-acceptor complexes between [60]fullerene and methylbenzenes by absorption spectrometric method.Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy.2001, 57 (7), 1463-1470 .

Can be used as a carbocation scavenger in the acid-promoted deblocking of peptides, e.g., t-butyl cations in the cleavage of N-Boc groups with TFA: Coll. Czech. Chem. Commun., 55, 1792 (1990). Similarly, has been used as an additive in the cleavage of O-benzyl and N-Cbz (Z) groups: Chem. Pharm. Bull., 35, 3438 (1987). See also Appendix 6.

GHS Hazard and Precautionary Statements

Hazard Statements: H228

Flammable solid.

Precautionary Statements: P210-P280-P240-P241-P370+P378a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. In case of fire: Use for extinction: CO2, powder or water spray.

Other References

Beilstein
1905349
Hazard Class
4.1
Packing Group
III
Harmonized Tariff Code
2902.90
TSCA
Yes

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