Skip to content
Molekula

Molekula

1,3-Dioxolane

SKU 90032559 CAS 646-06-0 C3H6O2 MW 74.08 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

1,3-Dioxolane is a cyclic ether solvent widely used in organic synthesis, polymer chemistry, and as a stabilizer for chlorinated solvents. It serves as a solvent for resins, coatings, and pharmaceutical intermediates, and is also employed in the production of specialty chemicals. This chemical has a CAS number of 646-06-0, with the molecular formula C3H6O2 and a molecular weight of 74.08 g/mol. It is stored at ambient conditions and carries a **Danger** signal word for safety. Molekula supplies 1,3-Dioxolane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance Colourless liquid

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point -3 °C
Transport Class 3
Packing Group II
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance Water-white liquid
Melting Point -95 °C
Boiling Point 78 °C
Water Solubility Miscible in water
Solubility (other solvents) Soluble in ethanol, ether, acetone
Vapour Pressure 79 mmHg at 20 °C
Refractive Index 1.3974
log P (octanol/water) -0.37

Source: PubChem CID 12586 (HSDB)

Identification

Property Value
SKU 90032559
CAS Number 646-06-0
IUPAC Name 1,3-dioxolane
EC Number 211-463-5
Molecular Formula C3H6O2
Molecular Weight 74.08
Exact Mass 74.0368
SMILES C1COCO1
InChIKey WNXJIVFYUVYPPR-UHFFFAOYSA-N
InChI InChI=1S/C3H6O2/c1-2-5-3-4-1/h1-3H2
PubChem CID 12586
UN Number UN1166
REACH Code Y110
TSCA Listed Yes
HTS Code 2932.99.90.90
Tariff Code 2932990090

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • EUH019 May form explosive peroxides
  • H225 Highly flammable liquid and vapour
  • H319 Causes serious eye irritation
  • H360 May damage fertility or the unborn child

Precautionary statements

  • P202 Do not handle until all safety precautions have been read and understood
  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P263 Avoid contact during pregnancy/while nursing
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P308+313 IF exposed or concerned: Get medical advice/attention

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.

Quality certificates

Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.

Synonyms

  • 1,3-Dioxacyclopentane
  • 1,3-Dioxolan
  • 1,3-Dioxole, dihydro-
  • 5-Crown-2
  • DIOXOLANE
  • ELCOTAL DX
  • Ethylene glycol formal
  • Formal glycol
  • Glycol methylene ether
  • Glycolformal

Frequently asked questions

What is 1,3-Dioxolane commonly used for?

1,3-Dioxolane is primarily used as a solvent in the pharmaceutical, agrochemical, and polymer industries, as well as a precursor in organic synthesis.

What is the chemical formula and molecular weight of 1,3-Dioxolane?

The chemical formula is **C₃H₆O₂**, and the molecular weight is **74.08 g/mol**.

How should 1,3-Dioxolane be stored?

Store at **ambient temperature** in a tightly sealed container, away from ignition sources and oxidizing agents.

What grades of 1,3-Dioxolane does Molekula supply?

Molekula supplies **technical grade** 1,3-Dioxolane, meeting standard industrial specifications.

Can Molekula supply 1,3-Dioxolane in bulk quantities?

Yes, we offer **bulk packaging options** (e.g., IBCs, drums) for large-volume industrial orders—please contact us for details.

What documentation comes with a 1,3-Dioxolane order?

Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and batch-specific documentation for traceability.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket