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1-Chloro-4-ethynylbenzene

CAS 873-73-4ClC6H4C≡CHChemical Synthesis

1-Chloro-4-ethynylbenzene (CAS 873-73-4), molecular formula ClC6H4C≡CH, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
(4-Chlorophenyl)acetylene
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1-Chloro-4-ethynylbenzene
AlkynylBuilding BlocksChemical SynthesisHalogenated HydrocarbonsOrganic Building Blocks
01 /Properties
Molecular weight136.58
Linear formulaClC6H4C≡CH
Assay98%
Melting point45-47 °C(lit.)
02 /Safety & handling
Flammable
Flammable
Harmful / irritant
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 equipmentdust mask type N95 (US), Eyeshields, Gloves
Flash point10 °C / 50 °F
Transport (UN / ADR)UN 1325 4.1 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)F,Xi
Risk statements (R)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.

03 /Identifiers & registry
CAS number
873-73-4
MDL number
MFCD00191917
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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.

05 /Frequently asked questions

What is 1-Chloro-4-ethynylbenzene?

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1-Chloro-4-ethynylbenzene (CAS 873-73-4), molecular formula ClC6H4C≡CH, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of 1-Chloro-4-ethynylbenzene does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 1-Chloro-4-ethynylbenzene in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of 1-Chloro-4-ethynylbenzene?

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1-Chloro-4-ethynylbenzene has CAS number 873-73-4 and molecular formula ClC6H4C≡CH. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for 1-Chloro-4-ethynylbenzene?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of 1-Chloro-4-ethynylbenzene ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should 1-Chloro-4-ethynylbenzene be stored?

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Store 1-Chloro-4-ethynylbenzene in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is 1-Chloro-4-ethynylbenzene used for?

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1-Chloro-4-ethynylbenzene is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for 1-Chloro-4-ethynylbenzene?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

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