Butane-1-13C
Butane-1-13C (CAS 22612-53-9), with the molecular formula CH3CH2CH2<sup>13</sup>CH3 and a molecular weight of 59.11 g/mol, is a stable isotope-labelled alkane. This gas is primarily utilised as a labelled standard in various analytical and research applications, including mass spectrometry and metabolic studies, allowing for precise tracking and quantification in complex biological or chemical systems. It is supplied by TSS for research and development purposes.

Isotope Labelling in Research
Butane-1-13C serves as a vital tool in tracer studies, enabling researchers to follow metabolic pathways and reaction mechanisms by tracking the incorporated 13C atom. Its use is crucial for quantitative analysis in complex matrices.
Analytical Standards
This compound is employed as an internal or external standard in gas chromatography-mass spectrometry (GC-MS) and other analytical techniques. The defined isotopic enrichment aids in accurate quantification and identification of butane or related compounds.
Chemical Synthesis
As a reagent in chemical synthesis, Butane-1-13C allows for the preparation of more complex molecules with a specific isotopic signature. This is beneficial in studies requiring the precise control of isotopic incorporation.
| Molecular weight | 59.11 |
|---|---|
| Linear formula | CH3CH2CH213CH3 |
| Boiling point | −0.5 °C(lit.) |
| Vapour pressure | 51.6 psi (37.7 °C) |
| Vapour density | 2.11 (vs air) |
| Autoignition temp | 761 °F |
| Melting point | −138 °C(lit.) |

Hazard statements
- H280Contains gas under pressure; may explode if heated
Precautionary statements
- P410Protect from sunlight
| Transport (UN / ADR) | UN 2037A1 2.2 |
|---|---|
| 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 | 99 atom % 13C |
|---|---|
| Mass Shift | M+1 |
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 Butane-1-13C used for?
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Butane-1-13C is used as a labelled standard in analytical chemistry, particularly in mass spectrometry and tracer studies for metabolic or chemical reaction pathway investigations. It is also used in chemical synthesis to create isotopically labelled compounds.
What is the CAS number and chemical formula for Butane-1-13C?
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The CAS number for Butane-1-13C is 22612-53-9, and its linear chemical formula is CH3CH2CH2<sup>13</sup>CH3.
What grade and purity does Tech Serve Solutions supply for Butane-1-13C?
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Tech Serve Solutions supplies Butane-1-13C with an isotopic purity of 99 atom % 13C. This product is supplied for research and development purposes and is not represented as USP, BP, or EP grade.
How should Butane-1-13C be handled safely?
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Butane-1-13C is a flammable gas under pressure (GHS04, Warning, H280). Handle with care in well-ventilated areas, away from ignition sources. Store containers properly as indicated by P410 + P403.
How is Butane-1-13C packed and exported?
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Butane-1-13C is supplied as a gas under pressure, conforming to UN 2037A1 2.2 transport regulations. TSS can facilitate export shipments globally.
How can I request a quote or sample for Butane-1-13C?
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To request a quote or sample of Butane-1-13C, please contact our sales team through the TSS website or by phone.
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