2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl-
Names
[ CAS No. ]:
10138-44-0
[ Name ]:
2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl-
[Synonym ]:
2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl
2H-Pyran,4-dihydro-4-methyl
opt. Inakt. 2-Ethoxy-4-methyl-3.4-dihydro-2H-pyran
2-Ethoxy-4-methyl-3,4-dihydropyran
2-ethoxy-2,3-dihydro-4-methyl-4H-pyran
2H-Pyran,3,4-dihydro-2-ethoxy-4-methyl
2-Ethoxy-4-methyl-2,3-dihydro-4H-pyran
2-Aethoxy-4-methyl-3,4-dihydro-2H-pyran
Chemical & Physical Properties
[ Density]:
0.95g/cm3
[ Boiling Point ]:
184.8ºC at 760mmHg
[ Molecular Formula ]:
C8H14O2
[ Molecular Weight ]:
142.19600
[ Flash Point ]:
58.3ºC
[ Exact Mass ]:
142.09900
[ PSA ]:
18.46000
[ LogP ]:
1.91910
[ Vapour Pressure ]:
0.986mmHg at 25°C
[ Index of Refraction ]:
1.453
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UP9100000
- CHEMICAL NAME :
- 2H-Pyran, 2-ethoxy-3,4-dihydro-4-methyl-
- CAS REGISTRY NUMBER :
- 10138-44-0
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 4
- MOLECULAR FORMULA :
- C8-H14-O2
- MOLECULAR WEIGHT :
- 142.22
- WISWESSER LINE NOTATION :
- T6O BUTJ D1 FO2
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,803,1986
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,803,1986 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3400 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 10,61,1954
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1060 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 10,61,1954
Safety Information
[ HS Code ]:
2932999099
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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%