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3,4-dihydro-2H-pyrrole

3,4-dihydro-2H-pyrrole Structure
3,4-dihydro-2H-pyrrole structure
CAS No.
5724-81-2
Chemical Name:
3,4-dihydro-2H-pyrrole
Synonyms
1-PYRROLINE;Einecs 227-230-6;delta(1)-pyrroline;3,4-dihydro-2H-pyrrole;2H-Pyrrole, 3,4-dihydro-
CBNumber:
CB9940642
Molecular Formula:
C4H7N
Molecular Weight:
69.11
MDL Number:
MFCD11041079
MOL File:
5724-81-2.mol
Last updated:2023-05-25 18:01:24
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3,4-dihydro-2H-pyrrole Properties

Melting point 96-102 °C
Boiling point 113.7±13.0 °C(Predicted)
Density 0.95±0.1 g/cm3(Predicted)
FEMA 3898 | 1-PYRROLINE
pka 7.81±0.20(Predicted)
Odor at 0.10 % in propylene glycol. ammoniacal shrimp seafood
Odor Type ammoniacal
JECFA Number 1603
LogP -0.78
Substances Added to Food (formerly EAFUS) 1-PYRROLINE
FDA UNII 2SK2I7766O

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H302-H315-H319-H335
Precautionary statements  P210-P280-P305+P351+P338

3,4-dihydro-2H-pyrrole price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
American Custom Chemicals Corporation FFG0001152 1-PYRROLINE 95.00% 5724-81-2 5MG $505.21 2021-12-16 Buy
Product number Packaging Price Buy
FFG0001152 5MG $505.21 Buy

3,4-dihydro-2H-pyrrole Chemical Properties,Uses,Production

Chemical Properties

1-Pyrroline has a spermous odor

Occurrence

Reported present in clam and squid.

Uses

It is used in the Biological study and evaluation of aliphatic and aromatic amines and amides as flavoring materials.

Preparation

By acid hydrolysis of 4-aminobutyraldehyde diethyl acetal.

Definition

ChEBI: 1-pyrroline is a pyrroline and an imine. It is a conjugate base of a 1-pyrrolinium.

Aroma threshold values

2.3 to 22 ppb

3,4-dihydro-2H-pyrrole Preparation Products And Raw materials

Raw materials

Pyridazine, 1,4,5,6-tetrahydro- (R)-1-(3-Bromophenyl)ethylamine 1-AMINOPYRROLIDINE 1,4-DIAMINOBUTANE 3'-Bromoacetophenone

Preparation Products

Pyrrolidine

3,4-dihydro-2H-pyrrole Suppliers

Global( 5)Suppliers
Supplier Tel Email Country ProdList Advantage
BOC Sciences 1-631-485-4226; 16314854226 info@bocsci.com United States 14059 65
Shaanxi Dideu Newmaterial Co., Ltd. 029-63373950 15353716720 1052@dideu.com China 10007 58
Xi'an Lechun Chemical Co., Ltd 029-15596886083 15596886083 739383595@qq.com China 3449 58
Supplier Advantage
BOC Sciences 65
Shaanxi Dideu Newmaterial Co., Ltd. 58
Xi'an Lechun Chemical Co., Ltd 58
3,4-dihydro-2H-pyrrole delta(1)-pyrroline 1-PYRROLINE 2H-Pyrrole, 3,4-dihydro- Einecs 227-230-6 5724-81-2