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

Modify Date: 2025-08-22 00:08:33

4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran structure	Common Name	4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran
	CAS Number	16409-43-1	Molecular Weight	154.249
	Density	0.9±0.1 g/cm3	Boiling Point	196.7±19.0 °C at 760 mmHg
	Molecular Formula	C₁₀H₁₈O	Melting Point	N/A
	MSDS	Chinese USA	Flash Point	66.8±19.5 °C
	Symbol	GHS07	Signal Word	Warning

Name	4-Methyl-2-(2-methylprop-1-enyl)tetrahydropyran
Synonym	More Synonyms

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(Chinese)

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
CAS#:106-22-9 Citronellol CAS#:60857-05-8 tetrahydro-4-me... CAS#:868552-84-5 (+/-)-(E)-2-met... CAS#:57745-77-4 2-(2,4-Dichlorp...
CAS#:38614-36-7 2-Methyl-1-Prop... CAS#:107791-76-4 2-methylhepta-1... CAS#:1121-84-2 2H-Pyran-2-one,... CAS#:29414-60-6 3,7-dimethyl-4,...
CAS#:86000-34-2 ethyl 3,7-dimet...
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%

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

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran
Price: ￥188.0/25g ￥648.0/100g
Purity: 99.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (Z)-Rose oxide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: TIANFU-CHEM CAS:16409-43-1 FEMA 3236
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

Customs

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.