3,4-Dihydro-2-ethoxy-2H-pyran
Names
[ CAS No. ]:
103-75-3
[ Name ]:
3,4-Dihydro-2-ethoxy-2H-pyran
[Synonym ]:
2-ethoxy-(2H)-3,4-dihydropyran
EINECS 203-141-8
ethoxy-2 dihydro-3,4,(2H)-pyranne
6-ethoxy-2,3-dihydropyran
2-Ethoxydihydropyran
2-Ethoxypyran
2-Ethoxy-2,3-dihydro(4H)pyran
MFCD00006561
2-Ethoxy-3,4-dihydro-2H-pyran
3,4-dihydro-2-ethoxy-2H-pyran
2-Ethoxy-3,4-dihydropyran
2H-Pyran,2-ethoxy-3,4-dihydro
2-Ethoxy-3,4-dihydro-2-pyran
ETHOXYDIHYDROPYRAN
Chemical & Physical Properties
[ Density]:
0.957 g/mL at 25 °C(lit.)
[ Boiling Point ]:
42 °C16 mm Hg(lit.)
[ Melting Point ]:
-100ºC
[ Molecular Formula ]:
C7H12O2
[ Molecular Weight ]:
128.16900
[ Flash Point ]:
76 °F
[ Exact Mass ]:
128.08400
[ PSA ]:
18.46000
[ LogP ]:
1.67310
[ Vapour Pressure ]:
0.811mmHg at 25°C
[ Index of Refraction ]:
n20/D 1.439(lit.)
[ Storage condition ]:
2-8°C
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UP8925000
- CHEMICAL NAME :
- 2H-Pyran, 2-ethoxy-3,4-dihydro-
- CAS REGISTRY NUMBER :
- 103-75-3
- BEILSTEIN REFERENCE NO. :
- 0109855
- LAST UPDATED :
- 199709
- DATA ITEMS CITED :
- 6
- MOLECULAR FORMULA :
- C7-H12-O2
- MOLECULAR WEIGHT :
- 128.19
- WISWESSER LINE NOTATION :
- T6O BUTJ FO2
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Open irritation test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/15/1971 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 6160 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/15/1971
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 8000 ppm/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 3560 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/15/1971
Safety Information
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R10
[ Safety Phrases ]:
S26
[ RIDADR ]:
UN 3271 3/PG 3
[ WGK Germany ]:
2
[ RTECS ]:
UP8925000
[ Packaging Group ]:
III
[ Hazard Class ]:
3.2
[ 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%