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644-06-4

Basic Information
CAS No.: 644-06-4
Name: PRECOCENE II
Article Data: 32
Molecular Structure:
Molecular Structure of 644-06-4 (PRECOCENE II)
Formula: C13H16 O3
Molecular Weight: 220.268
Synonyms: 6,7-Dimethoxy-2,2-dimethyl-2H-chromene;Ageratochromene; Ageratochromene II; NSC 318792; Precocene 2; Precocene II
EINECS: 211-408-5
Density: 1.063g/cm3
Melting Point: 47.50C
Boiling Point: 300.4oC at 760 mmHg
Flash Point: 113oC
Safety: Questionable carcinogen with experimental carcinogenic data. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
PSA: 27.69000
LogP: 2.88800
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Toxicity Data With Reference

1.   

dnd-rat:lvr 25 µmol/L

    CALEDQ    Cancer Letters (Shannon, Ireland). 26 (1985),311.
2.   

dns-rat:lvr 1 µmol/L

    CALEDQ    Cancer Letters (Shannon, Ireland). 26 (1985),311.
3.   

ipr-mus TDLo:27,536 µg/kg:CAR

    CNREA8    Cancer Research. 47 (1987),2275.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

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