Propane-2,2-d2
Propane-2,2-d2 (CAS: 2875-95-8), with the linear formula CH3CD2CH3 and a molecular weight of 46.11 g/mol, is a deuterated propane isotope. This stable isotope, with an isotopic purity of 98 atom % D, is supplied as a gas. It is primarily utilised in research and development, particularly in chemical synthesis and as a specialty gas for analytical applications where isotopic labelling is required.
- Synonyms
- CH3CD2CH3

Chemical Synthesis
Propane-2,2-d2 serves as a valuable isotopically labelled building block in organic synthesis. Its deuterium incorporation allows for tracing reaction mechanisms and studying kinetic isotope effects in chemical transformations.
Analytical Standards
As a stable isotope, this compound can be employed as an internal standard in mass spectrometry. Its distinct mass-to-charge ratio aids in the accurate quantification of non-deuterated propane or related compounds in complex matrices.
Spectroscopic Studies
The deuterated nature of Propane-2,2-d2 makes it useful in spectroscopic investigations, such as Nuclear Magnetic Resonance (NMR), to elucidate molecular structure and dynamics.
| Molecular weight | 46.11 |
|---|---|
| Linear formula | CH3CD2CH3 |
| Form | gas |
| Boiling point | −42.1 °C(lit.) |
| Vapour pressure | 8.42 atm (21.1 °C) |
| Vapour density | 1.5 (vs air) |
| Melting point | −188 °C(lit.) |

Hazard statements
- H220Extremely flammable gas
- H280Contains gas under pressure; may explode if heated
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P410Protect from sunlight
| Flash point | -104 °C / -155.2 °F |
|---|---|
| Transport (UN / ADR) | UN 1978 2.1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F+ |
| Risk statements (R) | 12 |
| Safety statements (S) | 16 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Isotopic Purity | 98 atom % D |
|---|---|
| Mass Shift | M+2 |
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 Propane-2,2-d2 used for?
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Propane-2,2-d2 is primarily used in chemical synthesis as a deuterated building block, and as an analytical standard in mass spectrometry and spectroscopic studies.
What are the CAS number and formula for Propane-2,2-d2?
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The CAS number is 2875-95-8 and the linear formula is CH3CD2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Propane-2,2-d2 with an isotopic purity of 98 atom % D. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Propane-2,2-d2 be handled safely?
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Propane-2,2-d2 is an extremely flammable gas (H220) and contains gas under pressure (H280). It should be handled with appropriate precautions, including avoiding ignition sources, using in well-ventilated areas, and storing in a cool place. Refer to the Safety Data Sheet for full handling information.
Is Propane-2,2-d2 suitable for export?
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Yes, Tech Serve Solutions specialises in global supply and export of fine chemicals and laboratory reagents, including Propane-2,2-d2.
How can I request a sample or quote for Propane-2,2-d2?
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To request a sample or quote, please contact the Tech Serve Solutions sales team through our website or by phone. Please include the product name and CAS number (2875-95-8) in your request.
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