2,3-Butanedione
2,3-Butanedione (CAS 431-03-8), molecular formula CH3COCOCH3, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- Biacetyl,Diacetyl
| Molecular weight | 86.09 |
|---|---|
| Linear formula | CH3COCOCH3 |
| Assay | ≥99.0% (GC) |
| Boiling point | 88 °C(lit.) |
| Density | 0.985 g/mL at 20 °C0.981 g/mL(lit.) |
| Refractive index | n20/D 1.394(lit.)n20/D 1.394 |
| Vapour pressure | 52.2 mmHg (20 °C) |
| Vapour density | 3 (vs air) |
| Autoignition temp | 345 °C |
| Storage temperature | 2-8°C |
| Application | Inactivates aminopeptidase-N.1 Cyclocondensation with amines has been used to form triazine2 and pteridine ring systems.3 Also used as a precursor to α-diones.4 |
Hazard statements
- H225Highly flammable liquid and vapour
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H331Toxic if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, Heavyweight Gloves, multi-purpose combination respirator cartridge (US), Safety Clothing, type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 7 °C / 44.6 °F |
| Transport (UN / ADR) | UN 2346 3 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-20/22-37/38-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... ACHE(43), BCHE(590), CES1(1066) |
|---|---|
| Transition Temp | solidification point −3-1 °C |
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 2,3-Butanedione?
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2,3-Butanedione (CAS 431-03-8), molecular formula CH3COCOCH3, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of 2,3-Butanedione does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Butanedione in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of 2,3-Butanedione?
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2,3-Butanedione has CAS number 431-03-8 and molecular formula CH3COCOCH3. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 2,3-Butanedione?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of 2,3-Butanedione ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should 2,3-Butanedione be stored?
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Store 2,3-Butanedione in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is 2,3-Butanedione used for?
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2,3-Butanedione is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for 2,3-Butanedione?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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