(2R)-2-Methoxy-3,4-dihydro-2H-pyran

Modify Date: 2024-01-06 07:38:10

(2R)-2-Methoxy-3,4-dihydro-2H-pyran Structure
(2R)-2-Methoxy-3,4-dihydro-2H-pyran structure
 Common Name (2R)-2-Methoxy-3,4-dihydro-2H-pyran
CAS Number 4454-05-1 Molecular Weight 114.142
Density 1.0±0.1 g/cm3 Boiling Point 149.3±39.0 °C at 760 mmHg
Molecular Formula C6H10O2 Melting Point N/A
MSDS N/A Flash Point 16.7±0.0 °C

 Names

Name 3,4-Dihydro-2-Methoxy-2H-Pyran
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 149.3±39.0 °C at 760 mmHg
Molecular Formula C6H10O2
Molecular Weight 114.142
Flash Point 16.7±0.0 °C
Exact Mass 114.068077
PSA 18.46000
LogP -0.09
Vapour Pressure 5.1±0.3 mmHg at 25°C
Index of Refraction 1.451
Storage condition Flammables area

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UP7900000
CHEMICAL NAME :
2H-Pyran, 3,4-dihydro-2-methoxy-
CAS REGISTRY NUMBER :
4454-05-1
BEILSTEIN REFERENCE NO. :
0107274
LAST UPDATED :
199710
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C6-H10-O2
MOLECULAR WEIGHT :
114.16

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
VHTODE Veterinary and Human Toxicology. (American College of Veterinary and Comparative Toxicology, Publication Office, Comparative Toxicology, Manhattan, KS 66506) V.19- 1977- Volume(issue)/page/year: 30,545,1988
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
VHTODE Veterinary and Human Toxicology. (American College of Veterinary and Comparative Toxicology, Publication Office, Comparative Toxicology, Manhattan, KS 66506) V.19- 1977- Volume(issue)/page/year: 30,545,1988 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1410 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - other changes
REFERENCE :
VHTODE Veterinary and Human Toxicology. (American College of Veterinary and Comparative Toxicology, Publication Office, Comparative Toxicology, Manhattan, KS 66506) V.19- 1977- Volume(issue)/page/year: 30,545,1988
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
8044 ppm/1H
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - pleural effusion
REFERENCE :
VHTODE Veterinary and Human Toxicology. (American College of Veterinary and Comparative Toxicology, Publication Office, Comparative Toxicology, Manhattan, KS 66506) V.19- 1977- Volume(issue)/page/year: 30,545,1988
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
4920 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Lungs, Thorax, or Respiration - dyspnea Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
VHTODE Veterinary and Human Toxicology. (American College of Veterinary and Comparative Toxicology, Publication Office, Comparative Toxicology, Manhattan, KS 66506) V.19- 1977- Volume(issue)/page/year: 30,545,1988

 Safety Information

Hazard Codes F:Highlyflammable;Xn:Harmful;
Risk Phrases R11;R22
Safety Phrases S9-S33-S16-S36-S26
RIDADR 1993
RTECS UP7900000
Packaging Group II
Hazard Class 3
HS Code 2932999099

 Synthetic Route

Methyl Vinyl Ether structure

Methyl Vinyl Ether

CAS#:107-25-5
acrolein structure

acrolein

CAS#:107-02-8

~92%

(2R)-2-Methoxy-3,4-dihydro-2H-pyran Structure

(2R)-2-Methoxy-...

CAS#:4454-05-1
Literature: SHOWA DENKO K.K. Patent: WO2006/62211 A1, 2006 ; Location in patent: Page/Page column 25 ;
Methyl Vinyl Ether structure

Methyl Vinyl Ether

CAS#:107-25-5
Hydroquinone structure

Hydroquinone

CAS#:123-31-9
acrolein structure

acrolein

CAS#:107-02-8

~%

(2R)-2-Methoxy-3,4-dihydro-2H-pyran Structure

(2R)-2-Methoxy-...

CAS#:4454-05-1
Literature: Journal of the American Chemical Society, , vol. 72, p. 3079 Journal of the American Chemical Society, , vol. 73, p. 5251,5269
Methanol structure

Methanol

CAS#:67-56-1
Cyclopentene structure

Cyclopentene

CAS#:142-29-0

~0%

(2R)-2-Methoxy-3,4-dihydro-2H-pyran Structure

(2R)-2-Methoxy-...

CAS#:4454-05-1

5-Oxo-pentanoic acid methyl ester structure

5-Oxo-pentanoic...

CAS#:6026-86-4
Detail
Literature: Chemische Berichte, , vol. 115, # 8 p. 2697 - 2706

 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

2-Methoxy-3,4-dihydro-2H-pyran
3,4-Dihydro-2-Methoxy-2H-pyran
MFCD00006560
(2R)-2-Methoxy-3,4-dihydro-2H-pyran
2H-Pyran, 3,4-dihydro-2-methoxy-, (2R)-
EINECS 224-698-3
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Chemsrc provides (2R)-2-Methoxy-3,4-dihydro-2H-pyran(CAS#:4454-05-1) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of (2R)-2-Methoxy-3,4-dihydro-2H-pyran are included as well.>> amp version: (2R)-2-Methoxy-3,4-dihydro-2H-pyran

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