689319

Dehydroacetic acid

Lonza quality, 99.0-100.3 % (w/w) (T)

• Synonym(s): 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone
• Empirical Formula (Hill Notation): C₈H₈O₄
• CAS Number: 520-45-6
• Molecular Weight: 168.15
• Beilstein: 6129
• EC Number: 208-293-9
• MDL number: MFCD00066709
• UNSPSC Code: 12352100

Properties

• grade: Lonza quality
• form: crystalline; powder
• manufacturer/tradename: Lonza Ltd
• concentration: 99.0-100.3 % (w/w) (T)
• bp: 270 °C (lit.)
• mp: 109.0-111.0 °C (opt. transm.); 111-113 °C (lit.)
• SMILES string: CC(=O)C1C(=O)OC(C)=CC1=O
• InChI: 1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3
• InChI key: PGRHXDWITVMQBC-UHFFFAOYSA-N

Description

Analysis Note

transparence: >63.2%; 420 nm, 10 mm 1g/30 mL MeOH

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302
• Precautionary Statements: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): 314.6 °F
• Flash Point(C): 157 °C
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves