Tech Serve Solutions

3-Methyl-1-pentyn-3-ol

CAS 77-75-8CH≡CC(OH)(CH3)CH2CH3Chemical Synthesis

3-Methyl-1-pentyn-3-ol (CAS 77-75-8), molecular formula CH≡CC(OH)(CH3)CH2CH3, 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
Ethyl ethynyl methyl carbinol,Meparfynol
3-Methyl-1-pentyn-3-ol
AlkynesBuilding BlocksChemical SynthesisOrganic Building BlocksTerminal
01 /Properties
Molecular weight98.14
Linear formulaCH≡CC(OH)(CH3)CH2CH3
Assay98%
Boiling point121-122 °C(lit.)
Density0.866 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.431(lit.)
SolubilityCellosolve: miscibleStoddard solvent: miscibleacetone: misciblebenzene: misciblecarbon tetrachloride: misciblecyclohexanone: misciblediethyl ether: solublediethylene glycol: miscibleethanolamine: miscibleethyl acetate: misciblekerosene: misciblemineral spirits: miscibleneatsfoot oil: misciblepetroleum ether: misciblesoybean oil: miscible
Vapour pressure6.5 mmHg (20 °C)
Vapour density3 (vs air)
02 /Safety & handling
Flammable
Flammable
Harmful / irritant
Harmful / irritant
Warning

Hazard statements

  • H226Flammable liquid and vapour
  • H302Harmful if swallowed
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point28 °C / 82.4 °F
Transport (UN / ADR)UN 1986 3/PG 3
Water hazard class (WGK, DE)1
Hazard codes (EU)Xn
Risk statements (R)10-22
Safety statements (S)23-36

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

03 /Identifiers & registry
CAS number
77-75-8
MDL number
MFCD00004479
PubChem substance
24848336
Beilstein registry
969340
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 3-Methyl-1-pentyn-3-ol?

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3-Methyl-1-pentyn-3-ol (CAS 77-75-8), molecular formula CH≡CC(OH)(CH3)CH2CH3, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of 3-Methyl-1-pentyn-3-ol does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 3-Methyl-1-pentyn-3-ol 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 3-Methyl-1-pentyn-3-ol?

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3-Methyl-1-pentyn-3-ol has CAS number 77-75-8 and molecular formula CH≡CC(OH)(CH3)CH2CH3. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for 3-Methyl-1-pentyn-3-ol?

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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 3-Methyl-1-pentyn-3-ol 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 3-Methyl-1-pentyn-3-ol be stored?

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Store 3-Methyl-1-pentyn-3-ol 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 3-Methyl-1-pentyn-3-ol used for?

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3-Methyl-1-pentyn-3-ol 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 3-Methyl-1-pentyn-3-ol?

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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 3-Methyl-1-pentyn-3-ol in a specific grade or volume?

Request a quote