2,5-Hexanedione

Public-database records for 2,5-Hexanedione (CAS 110-13-4), reproduced here for independent cross-checking.

Safety classification and hazard statements

Physical description and handling notes

• 2,5-hexanedione is a clear colorless to amber liquid with a sweet aromatic odor. (NTP, 1992)
• Liquid
• Liquid that slowly turns yellow; [Merck Index] Colorless to amber liquid with a sweet odor; [CAMEO] Yellow liquid; [Alfa Aesar MSDS]
• greater than or equal to 100 mg/mL at 72 °F (NTP, 1992)
• 0.9737 at 68 °F (NTP, 1992) - Less dense than water; will float
• 3.94 (NTP, 1992) - Heavier than air; will sink (Relative to Air)

Reported physical properties

How this substance is indexed

Documented uses

• Used as a solvent for cellulose acetate, roll-coating inks, lacquers, and stains; as an intermediate for pharmaceuticals and photographic chemicals; and in electroplating; [NTP]
• Electroplating [Category: Plate]
• Painting (Solvents) [Category: Paint]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• All Other Basic Organic Chemical Manufacturing
• Reagents with two reactive groups, usually at opposite ends of the molecule, that are capable of reacting with and thereby forming bridges between side chains of amino acids in proteins; the locations of naturally reactive areas within proteins can thereby be identified; may also be used for other macromolecules, like glycoproteins, nucleic acids, or other.

Names this substance appears under

2,5-HEXANEDIONE; Hexane-2,5-dione; Acetonylacetone; 110-13-4; 1,2-Diacetylethane; 2,5-Diketohexane; Diacetonyl; 2,5-Hexadione; Acetonyl acetone; 2,5-Dioxohexane; alpha,beta-Diacetylethane; NSC 7621; hexanedione, 2,5-; DTXSID8030138; NSC-7621; C0Z8884J3P

Computed molecular descriptors

Database abstract

2,5-Hexanedione · CAS 110-13-4 · C6H10O2. UNII C0Z8884J3P. 沸点: 376 °F at 760 mmHg (NTP, 1992); 熔点: 22.1 °F (NTP, 1992); 闪点: 174 °F (NTP, 1992).

Source: PubChem / Wikidata; the batch COA governs where values differ.