B85307

2,3-Butanedione

97%

• Synonym(s): Biacetyl, Diacetyl
• Linear Formula: CH₃COCOCH₃
• CAS Number: 431-03-8
• Molecular Weight: 86.09
• Beilstein: 605398
• EC Number: 207-069-8
• MDL number: MFCD00008756
• UNSPSC Code: 12352100
• PubChem Substance ID: 24892076
• NACRES: NA.22

Properties

• vapor density: 3 (vs air)
• vapor pressure: 52.2 mmHg ( 20 °C)
• Assay: 97%
• form: liquid
• autoignition temp.: 345 °C
• refractive index: n20/D 1.394 (lit.)
• bp: 88 °C (lit.)
• density: 0.981 g/mL (lit.)
• storage temp.: 2-8°C
• SMILES string: CC(=O)C(C)=O
• InChI: 1S/C4H6O2/c1-3(5)4(2)6/h1-2H3
• InChI key: QSJXEFYPDANLFS-UHFFFAOYSA-N
• Gene Information: human ... ACHE(43) , BCHE(590) , CES1(1066)

Description

Application

Inactivates aminopeptidase-N. Cyclocondensation with amines has been used to form triazine and pteridine ring systems. Also used as a precursor to α-diones.

Safety Information

• Pictograms: GHS02,GHS06,GHS08,GHS05
• Signal Word: Danger
• Hazard Statements: H225,H302,H315,H317,H318,H331,H373
• Precautionary Statements: P210 - P280 - P301 + P312 - P304 + P340 + P311 - P305 + P351 + P338 - P314
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 44.6 °F - closed cup
• Flash Point(C): 7 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves