2,3-Butanedione
SIAL/11038 - analytical standard
Synonym: Biacetyl; Diacetyl
CAS Number: 431-03-8
Empirical Formula (Hill Notation): C4H6O2
Molecular Weight: 86.09
EC Number: 207-069-8
MDL Number: MFCD00008756
Linear Formula: CH3COCOCH3
Product Type: Chemical
| application(s) | cleaning products cosmetics environmental flavors and fragrances food and beverages personal care |
| assay | ≥99.0% (GC) |
| autoignition temp. | 345 °C |
| bp | 88 °C (lit.) |
| density | 0.981 g/mL (lit.) |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C4H6O2/c1-3(5)4(2)6/h1 |
| InChI key | QSJXEFYPDANLFS-UHFFFAOYSA |
| Quality Level | 100  |
| refractive index | n |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | CC(=O)C(C)=O |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| vapor density | 3 (vs air) |
| vapor pressure | 52.2 mmHg ( 20 °C) |
| Application: | 2,3-Butanedione may be used as an analytical standard for the determination of the analyte in milk and human breath samples by solid-phase microextraction and gas chromatography. |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| General description: | 2,3-Butanedione, a volatile compound, is a product of citrate metabolism that is generally produced by certain bacteria including Lactococcus lactis ssp. diacetylactis and Leuconostoc citrovorum. It has a typical buttery flavor and is commonly found in fermented dairy products, such as sour cream, yogurt and cottage cheese. |
| Symbol |   GHS02,GHS06 |
| Signal word | Danger |
| Hazard statements | H225 - H302 - H315 - H319 - H331 - H335 |
| Precautionary statements | P210 - P301 + P312 + P330 - P302 + P352 - P304 + P340 + P311 - P305 + P351 + P338 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-20/22-37/38-41 |
| Safety Statements | 26-39 |
| RIDADR | UN 2346 3 / PGII |
| Flash Point(F) | 44.6 °F - closed cup |
| Flash Point(C) | 7 °C - closed cup |
| Purity | ≥99.0% (GC) |
| bp | 88 °C (lit.) |
| Density | 0.981 g/mL (lit.) |
| Refractive Index | n |
| UNSPSC | 41116107 |