3,3-Dimethyloxetane
3,3-Dimethyloxetane (CAS: 6921-35-3, C5H10O) is a heterocyclic organic compound with a molecular weight of 86.13 g/mol. As a versatile oxetane derivative, it serves as a valuable building block in organic synthesis. Its unique cyclic ether structure makes it particularly useful in asymmetric synthesis and the construction of complex molecules. Tech Serve Solutions supplies this chemical for research and development purposes.
- Synonyms
- 3,3-DimethyloxetaneC5H10O

Asymmetric Synthesis
3,3-Dimethyloxetane can be employed as a chiral building block in stereoselective reactions, enabling the synthesis of enantiomerically enriched compounds critical for pharmaceutical and agrochemical development.
Heterocyclic Chemistry
This oxetane is a useful precursor for introducing the oxetane moiety into larger molecular frameworks. Its ring strain can be exploited in various ring-opening reactions to create functionalised linear molecules.
Building Block in Organic Synthesis
Its structure allows for diverse chemical transformations, making it a versatile intermediate for the construction of more complex organic molecules and speciality chemicals.
| Molecular weight | 86.13 |
|---|---|
| Empirical formula | C5H10O |
| Assay | 98% |
| Boiling point | 81 °C/765 mmHg(lit.) |
| Density | 0.835 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.399(lit.) |


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 equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -9 °C / 15.8 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-20/21/22 |
| Safety statements (S) | 16-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is 3,3-Dimethyloxetane used for?
+
3,3-Dimethyloxetane is primarily used as a building block in organic synthesis, particularly in asymmetric synthesis and heterocyclic chemistry. It is valuable for constructing complex organic molecules.
What is the CAS number and formula for 3,3-Dimethyloxetane?
+
The CAS number for 3,3-Dimethyloxetane is 6921-35-3 and its empirical formula is C5H10O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3,3-Dimethyloxetane with an assay of 98%. This product is suitable for research and laboratory applications; TSS does not represent it as USP, BP, or EP grade.
How should 3,3-Dimethyloxetane be handled?
+
3,3-Dimethyloxetane is a flammable liquid and vapour (H225) and is harmful if swallowed, in contact with skin, or if inhaled (H302, H312, H332). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area, away from ignition sources.
Is 3,3-Dimethyloxetane a controlled substance?
+
Based on the provided data, 3,3-Dimethyloxetane is not indicated as a controlled substance.
How is 3,3-Dimethyloxetane packed and exported?
+
3,3-Dimethyloxetane is classified under UN 1993, BF 3 / PG II for transport. TSS ensures compliant packaging and export procedures for this hazardous material.
How can I request a sample or quote for 3,3-Dimethyloxetane?
+
To request a sample or quote for 3,3-Dimethyloxetane, please contact the TSS sales department through our website or via direct enquiry, providing your contact details and required quantity.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis