Tech Serve Solutions

Cyclopentene

CAS 142-29-0C5H8Chemical Synthesis

Cyclopentene (CAS 142-29-0), molecular formula C5H8, 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.

Cyclopentene
AlkenesBuilding BlocksChemical SynthesisCyclicOrganic Building Blocks
01 /Properties
Molecular weight68.12
Empirical formulaC5H8
Assay96%
Boiling point44-46 °C(lit.)
Density0.771 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.421(lit.)
Vapour pressure20.89 psi (55 °C)6.11 psi (20 °C)
Melting point−135 °C(lit.)
Autoignition temp743 °F
Storage temperature2-8°C
02 /Safety & handling
Flammable
Flammable
Harmful / irritant
Harmful / irritant
Health hazard
Health hazard
Danger

Hazard statements

  • H225Highly flammable liquid and vapour
  • H302Harmful if swallowed
  • H304May be fatal if swallowed and enters airways
  • H315Causes skin irritation

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P280Wear protective gloves, clothing and eye/face protection
  • P301IF SWALLOWED
  • P331Do NOT induce vomiting
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
Flash point-34 °C / -29.2 °F
Transport (UN / ADR)UN 2246 3 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)F,Xn
Risk statements (R)11-21/22-38-65
Safety statements (S)9-16-26-33-36-62

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

03 /Identifiers & registry
CAS number
142-29-0
MDL number
MFCD00001394
PubChem substance
24857967
Beilstein registry
635707
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 Cyclopentene?

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Cyclopentene (CAS 142-29-0), molecular formula C5H8, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of Cyclopentene does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Cyclopentene 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 Cyclopentene?

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Cyclopentene has CAS number 142-29-0 and molecular formula C5H8. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Cyclopentene?

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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 Cyclopentene 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 Cyclopentene be stored?

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Store Cyclopentene 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 Cyclopentene used for?

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Cyclopentene 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 Cyclopentene?

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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.

Need Cyclopentene in a specific grade or volume?

Request a quote