In the chemical industry, precise identification and understanding of a compound's properties are fundamental for research, development, and manufacturing. 1,2,4-Trimethoxybenzene, identified by its CAS number 135-77-3, is one such compound that warrants a detailed examination. This article aims to provide B2B procurement managers, R&D scientists, and chemists with a comprehensive overview of its chemical identity, including its various synonyms and key physical characteristics. Knowing these details is crucial when sourcing this chemical from a manufacturer or supplier.

CAS Number and Primary Identification

The Chemical Abstracts Service (CAS) Registry Number, 135-77-3, is the unique identifier for 1,2,4-Trimethoxybenzene. This number is indispensable for accurate product sourcing, regulatory compliance, and scientific literature searches. It ensures that when you are looking to buy 1,2,4-trimethoxybenzene, you are indeed referring to the correct chemical entity, distinguishing it from isomers or related compounds.

Synonyms and Alternative Names

Like many chemical compounds, 1,2,4-Trimethoxybenzene is known by several other names, which can sometimes cause confusion during the procurement process. Understanding these synonyms is key to effective communication with suppliers, especially when using broader search terms or dealing with older literature. Common synonyms include:

  • Hydroxyhydroquinone trimethyl ether
  • 1,2,4-Benzenetriol trimethyl ether
  • Benzene, 1,2,4-trimethoxy-
  • TMB 124
  • 1,4,5-Trimethoxybenzene (note: this is an isomer and not the same compound, but can be confused)

For clarity, always cross-reference with the CAS number 135-77-3 when communicating with a 1,2,4-trimethoxybenzene manufacturer or supplier. If you are searching for hydroxyhydroquinone trimethyl ether, you are looking for this specific CAS number.

Physical and Chemical Properties

1,2,4-Trimethoxybenzene (C9H12O3) has a molecular weight of approximately 168.19 g/mol. As a physical substance, it is commonly described as a pale yellow to reddish yellow liquid. Key physical properties relevant to industrial handling and application include:

  • Appearance: Pale yellow to reddish yellow liquid
  • Boiling Point: Approximately 247 °C at atmospheric pressure. It also has a lower boiling point at reduced pressure, e.g., 99-100 °C @ 0.20 mm Hg.
  • Density: Around 1.126 g/mL at 25 °C.
  • Solubility: Not miscible with water, but soluble in common organic solvents like alcohol.
  • Flash Point: Typically above 230 °F (>77.9 °C).

These properties are critical for formulators and researchers to understand its handling requirements, storage conditions (often recommended to store below +30°C), and compatibility with other substances.

Conclusion for Buyers

When you intend to buy 1,2,4-trimethoxybenzene, understanding its precise chemical identity and synonyms is your first step towards a successful procurement. By using the CAS number 135-77-3 and being aware of alternative names, you can communicate more effectively with global suppliers and manufacturers. This ensures you are sourcing the correct high-purity aromatic ether for your specific applications, whether as a pharmaceutical intermediate or for use in UV-curing formulations.