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16409-43-1

16409-43-1 structure

16409-43-1 structure

Name: 4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran
Chemical Name: 4-Methyl-2-(2-methylprop-1-enyl)tetrahydropyran
CAS Number: 16409-43-1
Molecular Formula: C₁₀H₁₈O
Molecular Weight: 154.249
Catalog: Flavors and spices Synthetic spice Phenols, ethers and epoxides Epoxide
Create Date: 2018-06-26 19:38:15
Modify Date: 2026-07-01 16:47:22

Name	4-Methyl-2-(2-methylprop-1-enyl)tetrahydropyran
Synonyms	Pyran, tetrahydro-2-(2-methyl-1-propenyl)-4-methyl 2-(2-methyl-1-propenyl)-4-methyltetrahydro-pyra 4-methoxy-5,5-dimethyl-tetrahydro-pyrimidin-2-one c-rose oxide TETRAHYDRO-4-METHYL-2(2'-METHYL PROPEN-1'-YL)-PYRAN TETRAHYDRO-4-METHYL-2-(2-METHYL-1-PROPEN 4-Methyl-2-(2-methyl-1-propenyl)tetrahydropyran ROSE 4-methoxy-5,5-dimethyltetrahydropyrimidin-2(1h)-one tetrahydro-4-methyl-2-(2-methylprop-1-enyl)pyran ROSE OXIDE HIGH CIS MFCD00036607 4-METHYL-2-(2-METHYLPROPENYL)TETRAHYDRO-2H-PYRAN 2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-propenyl) Pyran, 2-(2-methyl-1-propenyl)-4-methyltetrahydro 4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran, mixture of cis and trans ROSE OXIDE RACEMIC Tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyran 4-Methyl-2-(2-methyl-1-propenyl)tetrahydropyran //BP Rose oxide , I tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-2h-pyra ROSE OXIDE Rose oxide cis 4-Methyl-2-(2-methyl-1-propenyl)tetrahydropyran (cis- and trans- mixture) 2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-p ropen-1-yl) 4-Methoxy-5,5-dimethyl-propylen-harnstoff tetrahydro-4-methyl-2-(2-methyl-1-propen-1-yl)-2H-Pyran (-)-ROSE OXIDE, TERPENE STANDD Rosoxide Rose oxide tetrahydro-4-methyl-2-(2-methylpropenyl)-pyra (+)-Rose oxide, (4S)-2-(2-Methyl-1-propenyl)-4-methyltetrahydropyran 2-(2-methylprop-1-enyl)-4-methyltetrahydropyran ROSE OXIDE BRI TIANFU-CHEM FEMA ()-Rose oxide tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyran 4-Methyl-2-(2-methylprop-1-en-1-yl) 2-(2-methyl-1-propenyl)-4-methyltetrahydro-pyran DL-Rose oxide 4-Methyl-2-(2-methyl-1-propenyl)tetrahydropyran(cis-andtrans-mixture)> 4-Methyl-2-(2-methyl-1-propenyl)tetrahydro-2H-pyran Pyran, 2-(2-methyl-1 High Purity Fema 3236 Rose Oxide with Best Price 4-Methyl-2-(2-methyl-1-propenyl)tetrahydropyran mixture of cis and trans EINECS 240-457-5 4-Methyl-2-(2-methyl-1-propenyl)-tetrahydropyran 4-Methyl-2-(2-methyl-1-propenyl)tetrahydropyran (4S)-4-methyl-2-(2-methylprop-1-en-1-yl)oxane 2-(2-Methyl-1-Propenyl)-4-Methyltetrahydropyran Rose Oxide ISOBUTENYL METHYLTETRAHYDROPYRAN Tetrahydro-4-methyl-2(2'-methyl propen- 1' -yl) - Pyran 2-(2-Methyl-1-propenyl)-4-methyltetrahydro-2H-pyran Rose oxide levo rosenoxide (4S)-2-(2-METHYL-1-PROPENYL)-4-METHYLTETRAHYDROPYRAN (+)-Rose oxide,(4S)-2-(2-Methyl-1-propenyl)-4-methyltetrahydropyran 2-Isobutenyl 4-methyl tetrahydropyran (4R)-2-(2-Methyl-1-propenyl)-4-methyltetrahydropyran LEVO-ROSE OXIDE tetrahydro-4-methyl-2-(2-methylpropenyl)-2h-pyra 4-methyl-2-(2-methyl-propenyl)-tetrahydro-pyran 4-Methyl-2-(2-methyl-1-propen-1-yl)tetrahydro-2H-pyran 2H-Pyran, tetrahydro-4-methyl-2-(2-methylpropenyl) tetrahydro-2-(2-methyl-1-propenyl)-4-methyl-pyra Tetrahydro-4-methyl-2(2'-methylpropen-1'-yl)pyrane tetrahydro-4-methoxy-5,5-dimethyl-1H-pyrimidin-2-one ROSENOXID INAKTIV (Z)-Rose oxide

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

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

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

Precursor 9
106-22-9 60857-05-8 868552-84-5 57745-77-4
38614-36-7 107791-76-4 1121-84-2 29414-60-6
86000-34-2
DownStream 0

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%

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