PRECOCENE II CAS 644-06-4

Introduction：Basic information about PRECOCENE II CAS 644-06-4, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

PRECOCENE II Basic information

• Product Name: PRECOCENE II
• Synonyms: PRECOCENE II;6,7-DIMETHOXY-2,2-DIMETHYL-3-CHROMENE;6,7-dimethoxy-2,2-dimethyl-2h-1-benzopyra;6,7-dimethoxy-2,2-dimethyl-2h-benzo(b)pyran;ageratochromene;precocene2;6,7-dimethoxy-2,2-dimethyl2H-1-benzopyran;6,7-Dimethoxy-2,2-dimethylchromene
• CAS: 644-06-4
• MF: C13H16O3
• MW: 220.26
• EINECS: 211-408-5
• Product Categories: Intermediates & Fine Chemicals;Pharmaceuticals
• Mol File: 644-06-4.mol

PRECOCENE II Chemical Properties

• Melting point: 47.50C
• Boiling point: 301.2°C (rough estimate)
• density: 1.1455 (rough estimate)
• refractive index: 1.4740 (estimate)
• Fp: 113 °C
• storage temp.: -20°C Freezer
• solubility: Chloroform (Slightly), Methanol (Slightly)
• form: Solid
• color: Pale Green to Yellow
• LogP: 3.380 (est)
• CAS DataBase Reference: 644-06-4
• EPA Substance Registry System: 2H-1-Benzopyran, 6,7-dimethoxy-2,2-dimethyl- (644-06-4)

Safety Information

• RTECS: DJ2527000
• TSCA: TSCA listed

PRECOCENE II Usage And Synthesis

Chemical Properties

Crystalline Solid

Uses

Anti-juvenile hormones found in plants that induce reversible precocious metamorphosis and sterilization in insects by suppressing the function of the corpora allata gland.

Definition

ChEBI: Precocene II is a member of chromenes. It has a role as a member of precocenes.

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 25, p. 871, 1988 DOI: 10.1002/jhet.5570250333
Synthetic Communications, 20, p. 1347, 1990 DOI: 10.1080/00397919008052847
Tetrahedron Letters, 32, p. 7251, 1991 DOI: 10.1016/0040-4039(91)80489-S

Safety Profile

Questionable carcinogen with experimental carcinogenic data. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.