3,5-Dimethylisoxazole

CAS 300-87-8C5H7NOChemical Synthesis

3,5-Dimethylisoxazole (CAS 300-87-8) is a heterocyclic organic compound with the molecular formula C5H7NO and a molecular weight of 97.12 g/mol. This flammable liquid serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. It is characterised by its isoxazole ring structure, substituted with two methyl groups. TSS supplies this chemical with an assay of 98%.

Synonyms: Isoxazole, 3,5-dimethyl-

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3,5-Dimethylisoxazole (C5H7NO) — chemical structure, CAS 300-87-8; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisHeterocyclic Building BlocksIsoxazoles

01 /Applications

Chemical Synthesis

3,5-Dimethylisoxazole acts as a key intermediate and versatile building block in the synthesis of more complex organic molecules. Its isoxazole core can be modified or incorporated into larger structures.

Heterocyclic Chemistry

As a substituted isoxazole, this compound is relevant in studies and syntheses involving heterocyclic ring systems. These structures are prevalent in pharmaceuticals and agrochemicals.

Research and Development

This chemical is utilised in laboratory settings for research purposes, enabling chemists to explore new reaction pathways and develop novel compounds.

02 /Properties

Molecular weight	97.12
Empirical formula	C5H7NO
Assay	98%
Boiling point	142-144 °C(lit.)
Density	0.99 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.442(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Warning

Hazard statements

H226Flammable liquid and vapour

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	31 °C / 87.8 °F
Transport (UN / ADR)	UN 1993C 3 / PGIII
Water hazard class (WGK, DE)	3
Risk statements (R)	10
Safety statements (S)	16

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

04 /Identifiers & registry

CAS number

300-87-8

MDL number

MFCD00003156

PubChem substance

24893511

Beilstein registry

3935337

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 3,5-Dimethylisoxazole used for?

3,5-Dimethylisoxazole (CAS 300-87-8) is primarily used as a building block in chemical synthesis and in heterocyclic chemistry research and development.

What is the CAS number and molecular formula for 3,5-Dimethylisoxazole?

The CAS number for 3,5-Dimethylisoxazole is 300-87-8, and its empirical formula is C5H7NO.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 3,5-Dimethylisoxazole with an assay of 98%. This is a technical/research grade product, and TSS does not represent it as USP, BP, or EP.

How should 3,5-Dimethylisoxazole be handled?

3,5-Dimethylisoxazole is a flammable liquid (H226) requiring careful handling. Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used in well-ventilated areas, away from ignition sources.