2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl-

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Names

[ 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

Click to get detail synthetic route

Precursor & DownStream

Precursor

Ethoxyethene
Crotonaldehyde

DownStream

Pentane,1,5-dibromo-3-methyl-
3-Methyl-1,5-pentanediol
4-Picoline
Pentanedial, 3-methyl-

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%

Related Compounds

2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl-,cis
2H-Pyran,2-ethoxy-3,4-dihydro-4-phenyl-
2H-Pyran,2-ethoxy-3,4-dihydro-4-phenyl-,(2S,4S)-(9CI)
2H-Pyran-6-carboxylicacid,2-ethoxy-3,4-dihydro-4-methyl-,ethylester,(2R,4R)-(9CI)
2H-Pyran-6-carboxylicacid,2-ethoxy-3,4-dihydro-4-methyl-,ethylester,(2S,4R)-(9CI)
2H-Pyran-6-carboxylicacid,2-ethoxy-3,4-dihydro-4-methyl-,methylester,trans-(9CI)
4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
(4-Methyl-tetrahydro-furan-2-yl)-methanol
N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
tert-Butyl-DL-alanine
4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide
N-[3-(Aminooxy)propyl]-N-butyl-1-butanamine