Sodium butyrate
Sodium butyrate (CAS: 156-54-7) is a sodium salt of butyric acid with the linear formula CH3CH2CH2COONa and a molecular weight of 110.09 g/mol. This compound functions as a valuable building block in chemical synthesis and is recognised for its biological activity. It is frequently employed in cell biology research and other scientific applications requiring a well-defined carboxylic acid salt.
- IUPAC
- Butyric acid sodium salt
- Synonyms
- Butyric acid sodium saltSodium butanoate

Chemical Synthesis
Utilised as a versatile building block in organic synthesis, particularly in reactions involving carbonyl compounds and carboxylic acid derivatives. Its structure facilitates incorporation into more complex molecules.
Cell Biology Research
Sodium butyrate is widely employed as a research tool in cell biology. It is known to act as a histone deacetylase (HDAC) inhibitor, influencing gene expression and cellular differentiation.
Biochemical Applications
Serves as a source of butyrate ions in biochemical studies, contributing to research on cellular metabolism and signalling pathways. Its defined purity makes it suitable for precise experimental conditions.
| Molecular weight | 110.09 |
|---|---|
| Linear formula | CH3CH2CH2COONa |
| Assay | 98% |
| Melting point | 250-253 °C(lit.) |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H341Suspected of causing genetic defects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P281Use personal protective equipment as required
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 36/37/38-68 |
| Safety statements (S) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | mouse ... ENSMUSG00000061062(15181) |
|---|
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 Sodium butyrate used for?
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Sodium butyrate is used as a building block in chemical synthesis and in cell biology research. It is known to influence gene expression and cellular differentiation due to its histone deacetylase inhibitory properties.
What is the CAS number and formula for Sodium butyrate?
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The CAS number for Sodium butyrate is 156-54-7, and its linear formula is CH3CH2CH2COONa.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium butyrate with an assay of 98%. This product is intended for research and laboratory use and is not represented as USP, BP, or EP grade.
How should Sodium butyrate be handled?
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Handle Sodium butyrate with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (N95 US type). It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335), and is suspected of causing genetic defects (H341). Ensure good ventilation.
Is Sodium butyrate a controlled substance?
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The provided data does not indicate that Sodium butyrate is a controlled substance. However, users should verify local regulations.
How is Sodium butyrate packed and shipped by TSS?
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Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging for safe transit. Specific packing details are confirmed upon order placement.
How can I request a quote or sample of Sodium butyrate?
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To request a quote or sample, please contact our sales team via the website or direct inquiry, providing your specific requirements.
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