1-Ethynyl-3,5-dimethoxybenzene

CAS 171290-52-1CH≡CC6H3(OCH3)2Chemical Synthesis

1-Ethynyl-3,5-dimethoxybenzene (CAS: 171290-52-1) is an organic compound with the linear formula C10H10O2 and a molecular weight of 162.19 g/mol. This terminal alkyne serves as a valuable building block in organic synthesis. It is frequently employed in the construction of complex molecular architectures and as an intermediate in the development of novel chemical entities. Available from Tech Serve Solutions with an assay of 98% (CP).

Synonyms: CH&#8801CC6H3(OCH3)2

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1-Ethynyl-3,5-dimethoxybenzene (CH≡CC6H3(OCH3)2) — chemical structure, CAS 171290-52-1; Chemistry, fine chemical supplied by Tech Serve Solutions

AlkynesBuilding BlocksChemical SynthesisOrganic Building BlocksTerminal

01 /Applications

Organic Synthesis Intermediate

1-Ethynyl-3,5-dimethoxybenzene is utilised as a versatile intermediate in various organic synthesis pathways. Its terminal alkyne functionality allows for diverse coupling reactions and functional group transformations.

Building Block for Complex Molecules

This compound acts as a key building block in the multi-step synthesis of more complex organic molecules. Its specific structural features are leveraged in medicinal chemistry and materials science research.

Research and Development

Primarily used in laboratory settings for research and development purposes, including the exploration of new synthetic methodologies and the creation of novel chemical compounds.

02 /Properties

Molecular weight	162.19
Linear formula	CH≡CC6H3(OCH3)2
Assay	98% (CP)
Melting point	44-48 °C(lit.)

03 /Safety & handling

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

Warning

Hazard statements

H317May cause an allergic skin reaction
H319Causes serious eye irritation

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	36-42/43
Safety statements (S)	22-26-36/37-45

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

04 /Identifiers & registry

CAS number

171290-52-1

MDL number

MFCD03839985

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 1-Ethynyl-3,5-dimethoxybenzene used for?

1-Ethynyl-3,5-dimethoxybenzene is primarily used as a building block and intermediate in organic synthesis and chemical research and development.

What is the CAS number and formula for 1-Ethynyl-3,5-dimethoxybenzene?

The CAS number is 171290-52-1, and its linear formula is CH≡CC6H3(OCH3)2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 1-Ethynyl-3,5-dimethoxybenzene with an assay of 98% (CP). TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

What are the key safety and handling considerations for 1-Ethynyl-3,5-dimethoxybenzene?

This compound is classified with GHS07 symbol and a Warning signal word, with hazard statements H317 and H319. It may cause an allergic skin reaction and serious eye irritation. Appropriate personal protective equipment, including a dust mask (N95 US type), eyeshields, faceshields, and gloves, should be worn. Handle in a well-ventilated area.