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

Modify Date: 2025-08-22 18:43:31

(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

 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

3,4-Dihydro-2H-...

CAS#:100-73-2

~73%

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

(3,4-DIHYDRO-2H...

CAS#:4781-76-4

Literature: MERCK PATENT GMBH Patent: WO2009/77052 A2, 2009 ; Location in patent: Page/Page column 28 ;
3,4-dihydro-2H-pyran-2-carboxamide structure

3,4-dihydro-2H-...

CAS#:49831-28-9

~%

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

(3,4-DIHYDRO-2H...

CAS#:4781-76-4

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

(3,4-dihydro-2H...

CAS#:159691-03-9

~%

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

(3,4-DIHYDRO-2H...

CAS#:4781-76-4

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

3,4-dihydro-2H-...

CAS#:3749-36-8

~%

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

(3,4-DIHYDRO-2H...

CAS#:4781-76-4

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

3,4-dihydro-2H-...

CAS#:3540-36-1

~%

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

(3,4-DIHYDRO-2H...

CAS#:4781-76-4

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

2H-Pyran-2-carb...

CAS#:83568-11-0

~%

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

(3,4-DIHYDRO-2H...

CAS#:4781-76-4

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

2H-Pyran-2-carb...

CAS#:16698-52-5

~%

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

(3,4-DIHYDRO-2H...

CAS#:4781-76-4

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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