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

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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

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)
  • 7-Amino-3,3a-dihydro-2H,9H-isoxazolo[3,2-b][1,3]benzoxazin-9-one
  • Tert-butyl 4-(3-oxo-2-phenylbutanoyl)piperidine-1-carboxylate
  • 2H-Pyran-2-one, tetrahydro-5,6-dimethyl-, trans-
  • rel-(1R,3S,5S)-1-Methyl-8-oxabicyclo[3.2.1]oct-6-en-3-ol
  • Ethyl 2-(1-acetylpyrrolidin-2-yl)-3-oxobutanoate
  • Methyl 4-methyl-3-oxohexanoate
  • 2-Chloro-1-(4-methylbenzyl)-1H-benzimidazole
  • Methyl 2-methyl-6-(trifluoromethyl)-1H-indole-3-carboxylate
  • 1-Benzhydryl-3-(isoquinolin-5-yl)urea
  • Romucosine C
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