4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran

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Names

[ CAS No. ]:
16409-43-1

[ Name ]:
4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran

[Synonym ]:
Tetrahydro-4-methyl-2(2'-methyl propen- 1' -yl) - Pyran
2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-propen-1-yl)-
tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyran
4-methoxy-5,5-dimethyl-tetrahydro-pyrimidin-2-one
(+)-Rose oxide,(4S)-2-(2-Methyl-1-propenyl)-4-methyltetrahydropyran
(4R)-2-(2-Methyl-1-propenyl)-4-methyltetrahydropyran
4-Methoxy-5,5-dimethyl-propylen-harnstoff
4-Methyl-2-(2-methyl-1-propenyl)tetrahydro-2H-pyran
Rose oxide
4-methoxy-5,5-dimethyltetrahydropyrimidin-2(1h)-one
4-methyl-2-(2-methyl-propenyl)-tetrahydro-pyran
4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran
EINECS 240-457-5
4-Methyl-2-(2-methyl-1-propenyl)tetrahydropyran
MFCD00036607
4-Methyl-2-(2-methyl-1-propen-1-yl)tetrahydro-2H-pyran
2-(2-methylprop-1-enyl)-4-methyltetrahydropyran
tetrahydro-4-methoxy-5,5-dimethyl-1H-pyrimidin-2-one

Chemical & Physical Properties

[ Density]:
0.9±0.1 g/cm3

[ Boiling Point ]:
196.7±19.0 °C at 760 mmHg

[ Molecular Formula ]:
C10H18O

[ Molecular Weight ]:
154.249

[ Flash Point ]:
66.8±19.5 °C

[ Exact Mass ]:
154.135757

[ PSA ]:
9.23000

[ LogP ]:
3.13

[ Vapour Pressure ]:
0.6±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.496

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ1470000
CHEMICAL NAME :
Pyran, tetrahydro-2-(2-methyl-1-propenyl)-4-methyl-
CAS REGISTRY NUMBER :
16409-43-1
BEILSTEIN REFERENCE NO. :
0111348
LAST UPDATED :
199712
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C10-H18-O
MOLECULAR WEIGHT :
154.28
WISWESSER LINE NOTATION :
T6OTJ B1UY1&1 D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 14,855,1976 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 14,855,1976

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315

[ Personal Protective Equipment ]:
Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R38

[ Safety Phrases ]:
S36

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
UQ1470000

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Citronellol
  • tetrahydro-4-methylene-2-(2-methyl-1-propenyl)-2H-pyran
  • (+/-)-(E)-2-methoxy-2,6-dimethyl-3-octen-8-ol
  • 2-(2,4-Dichlorphenoxy)-3,4,5,6-tetrahydro-4-methyl-2H-pyran
  • 2-Methyl-1-Propenylmagnesium Bromide
  • 2-methylhepta-1,5-dien-4-ol
  • 2H-Pyran-2-one,tetrahydro-4-methyl-
  • 3,7-dimethyl-4,7-octadienal
  • ethyl 3,7-dimethyl-4,7-octadienoate

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%