3,4-Dihydro-2-ethoxy-2H-pyran

Modify Date: 2024-01-02 14:45:31

3,4-Dihydro-2-ethoxy-2H-pyran structure	Common Name	3,4-Dihydro-2-ethoxy-2H-pyran
	CAS Number	103-75-3	Molecular Weight	128.16900
	Density	0.957 g/mL at 25 °C(lit.)	Boiling Point	42 °C16 mm Hg(lit.)
	Molecular Formula	C₇H₁₂O₂	Melting Point	-100ºC
	MSDS	Chinese USA	Flash Point	76 °F

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

Density	0.957 g/mL at 25 °C(lit.)
Boiling Point	42 °C16 mm Hg(lit.)
Melting Point	-100ºC
Molecular Formula	C₇H₁₂O₂
Molecular Weight	128.16900
Flash Point	76 °F
Exact Mass	128.08400
PSA	18.46000
LogP	1.67310
Vapour Pressure	0.811mmHg at 25°C
Index of Refraction	n20/D 1.439(lit.)
Storage condition	2-8°C

3,4-Dihydro-2-ethoxy-2H-pyran MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UP8925000

CHEMICAL NAME :: 2H-Pyran, 2-ethoxy-3,4-dihydro-

CAS REGISTRY NUMBER :: 103-75-3

BEILSTEIN REFERENCE NO. :: 0109855

LAST UPDATED :: 199709

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C7-H12-O2

MOLECULAR WEIGHT :: 128.19

WISWESSER LINE NOTATION :: T6O BUTJ FO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Open irritation test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/15/1971 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 6160 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/15/1971

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 8000 ppm/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 3560 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/15/1971

Hazard Codes	Xi: Irritant;
Risk Phrases	R10
Safety Phrases	S26
RIDADR	UN 3271 3/PG 3
WGK Germany	2
RTECS	UP8925000
Packaging Group	III
Hazard Class	3.2
HS Code	2932999099

Ethoxyethene

CAS#:109-92-2

acrolein

CAS#:107-02-8

~81%

3,4-Dihydro-2-e...

CAS#:103-75-3

Literature: Danishefsky, Samuel; Bednarski, Mark Tetrahedron Letters, 1984 , vol. 25, # 7 p. 721 - 724

Precursor 2
CAS#:109-92-2 Ethoxyethene CAS#:107-02-8 acrolein
DownStream 9
CAS#:20426-69-1 5-ethoxypentanal CAS#:18593-33-4 methoxycyclobutane CAS#:111-30-8 glutaraldehyde CAS#:3149-11-9 3-bromo-2,6-die...
CAS#:3149-12-0 2H-Pyran,2,6-di... CAS#:4454-01-7 1,1,5,5-tetraet... CAS#:110-87-2 3,4-Dihydro-2H-pyran CAS#:88083-42-5 2,3-dichloro-6-...
CAS#:88083-43-6 6-ethoxy-3-meth...

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%

2-ethoxy-(2H)-3,4-dihydropyran

EINECS 203-141-8

ethoxy-2 dihydro-3,4,(2H)-pyranne

6-ethoxy-2,3-dihydropyran

2-Ethoxydihydropyran

2-Ethoxypyran

2-Ethoxy-2,3-dihydro(4H)pyran

MFCD00006561

2-Ethoxy-3,4-dihydro-2H-pyran

3,4-dihydro-2-ethoxy-2H-pyran

2-Ethoxy-3,4-dihydropyran

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

2-Ethoxy-3,4-dihydro-2-pyran

ETHOXYDIHYDROPYRAN

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3,4-Dihydro-2-ethoxy-2H-pyran
Price: ￥368.0/5ml
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Ethoxy-3,4-dihydro-2H-pyran
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

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3,4-Dihydro-2-ethoxy-2H-pyran

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

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