(3,4-DIHYDRO-2H-PYRAN-2-YL)-METHYLAMINE

Modify Date: 2026-08-28 22:58:08

(3,4-DIHYDRO-2H-PYRAN-2-YL)-METHYLAMINE Structure
(3,4-DIHYDRO-2H-PYRAN-2-YL)-METHYLAMINE structure
 Common Name (3,4-DIHYDRO-2H-PYRAN-2-YL)-METHYLAMINE
CAS Number 4781-76-4 Molecular Weight 113.15800
Density 0.996 g/cm3 Boiling Point 184.1ºC at 760 mmHg
Molecular Formula C6H11NO Melting Point N/A
MSDS N/A Flash Point 70.5ºC

 Names

Name (3,4-dihydro-2h-pyran-2-yl)-methylamine
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.996 g/cm3
Boiling Point 184.1ºC at 760 mmHg
Molecular Formula C6H11NO
Molecular Weight 113.15800
Flash Point 70.5ºC
Exact Mass 113.08400
PSA 35.25000
LogP 1.33810
Index of Refraction 1.474
InChIKey VNMHHVDXXHZGDU-UHFFFAOYSA-N
SMILES NCC1CCC=CO1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UP7750000
CHEMICAL NAME :
2H-Pyran, 3,4-dihydro-2-aminomethyl-
CAS REGISTRY NUMBER :
4781-76-4
BEILSTEIN REFERENCE NO. :
1362797
LAST UPDATED :
199612
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C6-H11-N-O
MOLECULAR WEIGHT :
113.18
WISWESSER LINE NOTATION :
T6O BUTJ F1Z

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1 gm/kg
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: 30,470,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
180 uL/kg
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: 30,470,1969 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
100 ppm/6H/8D-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
REFERENCE :
BJIMAG British Journal of Industrial Medicine. (British Medical Journal, Box 560B, Kennebunkport, ME 04046) V.1- 1944- Volume(issue)/page/year: 27,1,1970

 Synthetic Route

3,4-Dihydro-2H-pyran-2-carbaldehyde structure

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Literature: MERCK PATENT GMBH Patent: WO2009/77052 A2, 2009 ; Location in patent: Page/Page column 28 ;
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Literature: Krstenansky; Del Rosario-Chow; Currie Journal of Heterocyclic Chemistry, 1992 , vol. 29, # 4 p. 707 - 711
(3,4-dihydro-2H-pyran-2-yl)methyl methanesulfonate structure

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Literature: Jahangiri, Guiti K.; Reymond, Jean-Louis Journal of the American Chemical Society, 1994 , vol. 116, # 25 p. 11264 - 11274
3,4-dihydro-2H-pyran-2-ylmethanol structure

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(3,4-DIHYDRO-2H-PYRAN-2-YL)-METHYLAMINE Structure

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Literature: Jahangiri, Guiti K.; Reymond, Jean-Louis Journal of the American Chemical Society, 1994 , vol. 116, # 25 p. 11264 - 11274
3,4-dihydro-2H-pyran-2-ylmethyl 3,4-dihydro-2H-pyran-2-carboxylate structure

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(3,4-DIHYDRO-2H-PYRAN-2-YL)-METHYLAMINE Structure

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Literature: Jahangiri, Guiti K.; Reymond, Jean-Louis Journal of the American Chemical Society, 1994 , vol. 116, # 25 p. 11264 - 11274
2H-Pyran-2-carboxylicacid, 3,4-dihydro-, ethyl ester structure

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(3,4-DIHYDRO-2H-PYRAN-2-YL)-METHYLAMINE Structure

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Literature: Krstenansky; Del Rosario-Chow; Currie Journal of Heterocyclic Chemistry, 1992 , vol. 29, # 4 p. 707 - 711
2H-Pyran-2-carboxylicacid, 3,4-dihydro-, sodium salt (1:1) structure

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(3,4-DIHYDRO-2H-PYRAN-2-YL)-METHYLAMINE Structure

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Literature: Krstenansky; Del Rosario-Chow; Currie Journal of Heterocyclic Chemistry, 1992 , vol. 29, # 4 p. 707 - 711

 Synonyms

3,4-Dihydro-2H-pyran-2-methylamine
3,4-dihydro-2-aminomethyl-2h-pyra
4H-Pyran,2-aminomethyl-2,3-dihydro
2-Aminomethyl-2,3-dihydro-4H-pyran
2H-Pyran,3,4-dihydro-2-aminomethyl
C-(3,4-dihydro-2H-pyran-2-yl)-methylamine
2-aminomethyl-3,4-dihydro-2H-pyran
3,4-dihydro-2H-pyran-2-methanamine
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