2,7-Dimethyl-2,3-dihydro-4H,5H-pyrano[4,3-b]pyran-4,5-dione
Names
[ CAS No. ]:
18735-96-1
[ Name ]:
2,7-Dimethyl-2,3-dihydro-4H,5H-pyrano[4,3-b]pyran-4,5-dione
[Synonym ]:
2,3-Dihydro-2,7-dimethyl-4H,5H-pyrano-<4,3-b>pyran-4,5-dion
Chemical & Physical Properties
[ Density]:
1.29g/cm3
[ Boiling Point ]:
331.2ºC at 760 mmHg
[ Molecular Formula ]:
C10H10O4
[ Molecular Weight ]:
194.18400
[ Flash Point ]:
148.2ºC
[ Exact Mass ]:
194.05800
[ PSA ]:
56.51000
[ LogP ]:
1.30190
[ Vapour Pressure ]:
0.000158mmHg at 25°C
[ Index of Refraction ]:
1.539
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UQ1356500
- CHEMICAL NAME :
- 4H,5H-Pyrano(4,3-b)pyran-4,5-dione, 2,3-dihydro-2,7-dimethyl-
- CAS REGISTRY NUMBER :
- 18735-96-1
- BEILSTEIN REFERENCE NO. :
- 1311628
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C10-H10-O4
- MOLECULAR WEIGHT :
- 194.20
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1679 mg/kg
- TOXIC EFFECTS :
- Brain and Coverings - recordings from specific areas of CNS Behavioral - convulsions or effect on seizure threshold Behavioral - tetany
- REFERENCE :
- FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 29,861,1974