Pentamethylbenzene

CAS 700-12-9C6H(CH3)5Chemical Synthesis

Pentamethylbenzene (CAS: 700-12-9), with the chemical formula C₆H(CH₃)₅ and a molecular weight of 148.24 g/mol, is an aromatic hydrocarbon. This compound is primarily utilised as a building block in organic synthesis and chemical research. Its applications include its use in the preparation of specific organic compounds, serving as a valuable reagent for chemists engaged in developing new molecules and reaction pathways.

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Pentamethylbenzene (C6H(CH3)5) — chemical structure, CAS 700-12-9; Chemistry, fine chemical supplied by Tech Serve Solutions

ArenesBuilding BlocksChemical SynthesisOrganic Building Blocks

01 /Applications

Organic Synthesis Intermediate

Pentamethylbenzene serves as a precursor in the synthesis of various organic compounds. It has been employed in reactions to prepare nitrated derivatives and benzyl nitrates, showcasing its utility in functional group transformations.

Chemical Research Reagent

This arene is utilised in laboratory settings for chemical research. Its specific structure makes it a useful starting material for exploring new synthetic methodologies and preparing specialised chemical entities.

Preparation of Propene

Pentamethylbenzene has been documented for its use in the preparation of propene, indicating its role in specific chemical processes and transformations.

02 /Properties

Molecular weight	148.24
Linear formula	C6H(CH3)5
Assay	98%
Boiling point	231 °C(lit.)
Density	0.917 g/mL at 25 °C(lit.)
Application	Pentamethylbenzene was used to prepare a mixture of nitropentamethylbenzene and 2,3,4,5-tetramethylbenzyl nitrate1. It was also used to prepare propene2.
Melting point	49-51 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H228Flammable solid
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking
P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Flash point	91 °C / 195.8 °F
Transport (UN / ADR)	UN 1325 4.1 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	F,Xi
Risk statements (R)	11-36/37/38
Safety statements (S)	16-26-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

700-12-9

MDL number

MFCD00008522

PubChem substance

24849359

Beilstein registry

1905349

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Pentamethylbenzene used for?

Pentamethylbenzene (CAS: 700-12-9) is primarily used as a building block in organic synthesis and chemical research, including the preparation of nitrated derivatives and propene.

What is the CAS number and chemical formula for Pentamethylbenzene?

The CAS number for Pentamethylbenzene is 700-12-9, and its chemical formula is C₆H(CH₃)₅.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Pentamethylbenzene with an assay of 98%. We do not represent this product as USP, BP, or EP grade.

How should Pentamethylbenzene be handled safely?

Pentamethylbenzene is a flammable solid (H228) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eye protection, gloves, and respiratory protection, in a well-ventilated area, keeping away from ignition sources.

Is Pentamethylbenzene exported by Tech Serve Solutions?

Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Pentamethylbenzene, serving customers worldwide.

How can I request a sample or quote for Pentamethylbenzene?

To request a sample or quote for Pentamethylbenzene, please contact our sales team through the website or by phone, referencing the product name and CAS number 700-12-9.