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Trimethylene oxide

CAS 503-30-0C3H6OChemical Synthesis

Trimethylene oxide (CAS: 503-30-0, C3H6O) is a cyclic ether with a molecular weight of 58.08 g/mol. It is a colourless liquid known for its utility as a building block in organic synthesis. This oxetane derivative is primarily employed in the development of more complex molecules within the fields of asymmetric synthesis and heterocyclic chemistry. Its specific reactivity makes it a valuable intermediate for researchers and chemists.

IUPAC
Oxetane
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Trimethylene oxide (C3H6O) — chemical structure, CAS 503-30-0; Chemistry, fine chemical supplied by Tech Serve Solutions
Asymmetric SynthesisBuilding BlocksChemical SynthesisChiral Building BlocksHeterocyclic Building BlocksOxetanes More...
01 /Applications

Building Block in Organic Synthesis

Trimethylene oxide serves as a versatile three-carbon synthon. It is frequently incorporated into synthetic pathways to introduce specific structural motifs, particularly in the construction of heterocyclic compounds.

Chiral Chemistry

As a chiral building block, it is utilized in asymmetric synthesis to create enantiomerically enriched products. Its structure lends itself to stereoselective transformations critical in pharmaceutical and fine chemical research.

Heterocyclic Compound Synthesis

This compound is a key intermediate for accessing various oxetane-containing heterocycles. These structures are of interest due to their presence in biologically active molecules and novel materials.

02 /Properties
Molecular weight58.08
Empirical formulaC3H6O
Assay97%
Gradepurum
Boiling point50 °C(lit.)
Density0.893 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.388-1.396n20/D 1.392(lit.)
Vapour pressure5.09 psi (20 °C)
Storage temperature2-8°C
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Danger

Hazard statements

  • H225Highly flammable liquid and vapour
  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H332Harmful if inhaled

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P280Wear protective gloves, clothing and eye/face protection
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
Flash point-20 °C / -4 °F
Transport (UN / ADR)UN 1993BF 3 / PGII
Water hazard class (WGK, DE)1
Hazard codes (EU)F,Xn
Risk statements (R)11-20/21/22
Safety statements (S)9-16-26-29

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

04 /Identifiers & registry
CAS number
503-30-0
MDL number
MFCD00005167
PubChem substance
24889668
Beilstein registry
102382
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 Trimethylene oxide used for?

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Trimethylene oxide (CAS: 503-30-0, C3H6O) is used as a building block in organic synthesis, particularly in asymmetric synthesis and the creation of heterocyclic compounds.

What is the CAS number and formula for Trimethylene oxide?

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The CAS number for Trimethylene oxide is 503-30-0, and its chemical formula is C3H6O.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Trimethylene oxide with an assay of 97% and a 'purum' grade. This product is intended for research and laboratory use and is not represented as USP/BP/EP grade.

How should Trimethylene oxide be handled safely?

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Trimethylene oxide is a flammable liquid and harmful if swallowed, inhaled, or absorbed through the skin. Handle with appropriate personal protective equipment, including gloves, eye protection, and a respirator, in a well-ventilated area. Keep away from heat and open flames. Consult the Safety Data Sheet for full details.

How is Trimethylene oxide packed and shipped?

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Trimethylene oxide is typically packed according to industry standards for flammable liquids and shipped as UN 1993 BF 3 / PG II. We export globally; please contact us for specific shipping and handling inquiries.

How can I request a sample or quote for Trimethylene oxide?

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To request a sample or a quote for Trimethylene oxide, please contact our sales team through the website or by phone. Please provide your specific requirements and shipping details.

Need Trimethylene oxide in a specific grade or volume?