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

Modify Date: 2024-01-15 10:16:55

2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl- Structure
2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl- structure
Common Name 2H-Pyran,2-ethoxy-3,4-dihydro-4-methyl-
CAS Number 10138-44-0 Molecular Weight 142.19600
Density 0.95g/cm3 Boiling Point 184.8ºC at 760mmHg
Molecular Formula C8H14O2 Melting Point N/A
MSDS N/A Flash Point 58.3ºC

 Names

Name 2-ethoxy-4-methyl-3,4-dihydro-2H-pyran
Synonym More Synonyms

 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

 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%

 Synonyms

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
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