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Trimethylene oxide

CAS 503-30-0 C3H6O MW 58.08 Made to order

Trimethylene oxide is a cyclic ether used as a chemical intermediate in the synthesis of polymers and pharmaceuticals. It is a colorless, volatile liquid with a pungent odor. CAS: 503-30-0, molecular formula: C3H6O, molecular weight: 58.08 g/mol. Store at 2 to 8 °C. Hazardous: signal word Danger. Molekula supplies Trimethylene oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Trimethylene oxide is a cyclic ether used as a chemical intermediate in the synthesis of polymers and pharmaceuticals. It is a colorless, volatile liquid with a pungent odor. CAS: 503-30-0, molecular formula: C3H6O, molecular weight: 58.08 g/mol. Store at 2 to 8 °C. Hazardous: signal word Danger. Molekula supplies Trimethylene oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Colourless liquid
Water Content (KF) ≤0.3%
Purity GC >97%

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Flash Point -20 C
Transport Class 3
Packing Group II
Shelf Life 24 months

Identification

Property Value
CAS Number 503-30-0
Molecular Formula C3H6O
Molecular Weight 58.08
EC / UN Number 1993
REACH Code Y110
Tariff Code 29329900

Safety & GHS

Danger
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Oxidizing Oxidizing GHS03

Hazard statements

  • H225 Highly flammable liquid and vapour
  • H302 Harmful if swallowed
  • H312 Harmful in contact with skin
  • H332 Harmful if inhaled

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
  • P302+352 IF ON SKIN: Wash with soap and water
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is trimethylene oxide used for?

Trimethylene oxide is primarily used as a chemical intermediate in the synthesis of polymers and specialty chemicals, particularly in the production of polyether-based materials.

What is the chemical formula and molecular weight of trimethylene oxide?

The chemical formula is C3H6O, and the molecular weight is 58.08 g/mol.

How should trimethylene oxide be stored?

It should be stored at temperatures between 2 and 8 °C, protected from light and moisture.

What grade of trimethylene oxide does Molekula supply?

Molekula supplies trimethylene oxide in technical grade; specific purity details are available upon request.

Can Molekula supply trimethylene oxide in bulk?

Yes, Molekula can supply trimethylene oxide in bulk quantities; please contact our sales team for volume pricing and availability.

What documentation comes with a trimethylene oxide order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.

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