2,7-Dimethyl-2,3-dihydro-4H,5H-pyrano[4,3-b]pyran-4,5-dione

Suppliers

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

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • triacetate lactone
  • Crotonic acid

DownStream

  • 2,7-dimethylpyrano[3,2-c]pyran-4,5-dione

Related Compounds

  • 1-{[(2-Chloro-6-fluorophenyl)methyl]amino}-2-methylpropan-2-ol
  • 1-{[(3,4-Dichlorophenyl)methyl]amino}-2-methylpropan-2-ol
  • Pentanamide, 4-amino-4-methyl-N-[4-[(methylamino)sulfonyl]phenyl]-
  • 4-(4-Trifluoromethoxy-phenyl)-1H-imidazol-2-ylamine
  • 1-({[(Thiophen-2-yl)methyl]amino}methyl)cyclopentan-1-ol
  • 4-Chloro-3-(2-methylpropoxy)aniline
  • 3-{[(2-Hydroxy-2-methylpropyl)amino]methyl}phenol
  • (S)-1-(4-Ethoxy-3-methoxyphenyl)ethan-1-ol
  • Methyl 4-[[(1H-imidazol-2-ylmethyl)amino]methyl]benzoate
  • N,N-dimethyl-1-(prop-2-yn-1-yl)piperidin-3-amine
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.