2,6-dimethyl-4-oxopyran-3-carboxylic acid
Names
[ CAS No. ]:
3265-58-5
[ Name ]:
2,6-dimethyl-4-oxopyran-3-carboxylic acid
[Synonym ]:
4-Keto-2,6-dimethyl-4H-pyran-3-carbonsaeure
2,6-Dimethyl-4-oxo-4H-pyran-3-carbonsaeure
2,6-Dimethyl-4-pyrone-3-carboxylic acid
1,4-dihydro-2,6-dimethyl-3-oxopyrancarboxylic acid
4H-Pyran-3-carboxylic acid,2,6-dimethyl-4-oxo
2,6-dimethyl-4-oxo-4H-pyran-3-carboxylic acid
Chemical & Physical Properties
[ Density]:
1.326g/cm3
[ Boiling Point ]:
341.1ºC at 760 mmHg
[ Molecular Formula ]:
C8H8O4
[ Molecular Weight ]:
168.14700
[ Flash Point ]:
143.7ºC
[ Exact Mass ]:
168.04200
[ PSA ]:
67.51000
[ LogP ]:
0.95480
[ Index of Refraction ]:
1.535
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UP7035000
- CHEMICAL NAME :
- 4H-Pyran-3-carboxylic acid, 2,6-dimethyl-4-oxo-
- CAS REGISTRY NUMBER :
- 3265-58-5
- BEILSTEIN REFERENCE NO. :
- 0133033
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C8-H8-O4
- MOLECULAR WEIGHT :
- 168.16
- WISWESSER LINE NOTATION :
- T6O DVJ B1 CVQ F1
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 :
- 2330 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- SKEZAP Shokuhin Eiseigaku Zasshi. Food Hygiene Journal. (Nippon Shokuhin Eisei Gakkai c/o Shokuhin Eisei Senta, 2-6-1 Jingumae, Shibuya-ku, Tokyo 150, Japan) V.1- 1960- Volume(issue)/page/year: 12,520,1971
Safety Information
[ HS Code ]:
2932999099
Synthetic Route
Customs
[ HS Code ]: 2932999099
[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%