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Product FOB Price Min.Order Supply Ability Supplier
1,5-Diazabicyclo[4.3.0]non-5-ene 3001-72-7 /manufacturer/low price/high quality/in stock
Cas No: 3001-72-7
USD $ 11.0-12.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Hangzhou Dayangchem Co., Ltd. Contact Supplier
Cas No: 3001-72-7
No Data 25 Kilogram 200 Metric Ton/Year Shandong Xinhua Pharmaceutical Co.,Ltd Contact Supplier
1,5-Diazabicyclo[4.3.0]non-5-ene, DBN
Cas No: 3001-72-7
USD $ 11.0-16.0 / Kilogram 1 Kilogram 10 Metric Ton/Day Hebei yanxi chemical co.,LTD. Contact Supplier
CAS:3001-72-7 DBN
Cas No: 3001-72-7
No Data 1 Kilogram 100 Metric Ton/Year Kono Chem Co.,Ltd Contact Supplier
Fresh In Stock:1,5-Diazabicyclo[4,3,0]Non-5-Ene(Dbn) with BEST PRICE
Cas No: 3001-72-7
USD $ 1.0-1.0 / Metric Ton 1 Metric Ton 1000 Metric Ton/Day Scale Chemical Corporation Contact Supplier
1,5-Diazabicyclo[4.3.0]non-5-ene, 98%
Cas No: 3001-72-7
No Data 1 Kilogram 20 Metric Ton/Month Henan Allgreen Chemical Co.,Ltd Contact Supplier
Hot Sale 1,5-Diazabicyclo[4.3.0]non-5-ene,High Purity 99% 3001-72-7,DBN in bulk supply
Cas No: 3001-72-7
No Data 1 Kilogram 30 Metric Ton/Month Zibo Kunran Enterprises Co. LTD Contact Supplier
High quality 1,5-Diazabicyclo[4,3,0]Non-5-Ene(Dbn) supplier in China
Cas No: 3001-72-7
No Data No Data No Data Simagchem Corporation Contact Supplier
Cas No: 3001-72-7
No Data 10 Milligram Amadis Chemical Co., Ltd. Contact Supplier
Cas No: 3001-72-7
No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier

3001-72-7 Usage


1,5-Diazabicyclo [4.3.0]non-5-ene is a amidine base used in organic synthesis. It is employed for dehydrohalogenation reactions as well as base-catalyzed rearrangements. It can also be used as the nucleophilic catalyst for the Friedel-Crafts acylation of pyrroles and indoles2. Further, it is used as a resin curing agent and polyurethane catalyst.


Taylor, James E., et al. "Friedel−Crafts Acylation of Pyrroles and Indoles using 1,5-Diazabicyclo[4.3.0]non-5-ene (DBN) as a Nucleophilic Catalyst." Cheminform 42.13(2015):5740.

Purification Methods

Distil DBN from BaO. It forms a hydroiodide on addition of 47% HI; dry it and dissolve it in MeCN, evaporate and repeat; recrystallise from EtOH, dry at 25o/1mm for 5hours, then at 80o/0.03mm for 12hours and store and dispense it in a dry box, m 154-156o [Jaeger et al. J Am Chem Soc 101 717 1979]. The methiodide is recrystallised from CHCl3/Et2O, m 248-250o, and hydrogen fumarate has m 159-160o and is crystallised from iso-PrOH [Rokach et al. J Med Chem 22 237 1979, Oediger et al. Chem Ber 99 2012 1966, Reppe et al. Justus Liebigs Ann Chem 596 210 1955]. [Beilstein 23/5 V 239.]

Chemical Properties

clear colorless to yellowish liquid

3001-72-7 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Aldrich (136581)  1,5-Diazabicyclo[4.3.0]non-5-ene  98% 3001-72-7 136581-100G 2,652.39CNY Detail
Aldrich (136581)  1,5-Diazabicyclo[4.3.0]non-5-ene  98% 3001-72-7 136581-25G 548.73CNY Detail
Aldrich (136581)  1,5-Diazabicyclo[4.3.0]non-5-ene  98% 3001-72-7 136581-5G 205.92CNY Detail
Sigma-Aldrich (33471)  1,5-Diazabicyclo[4.3.0]non-5-ene  purum, ≥98.0% (GC) 3001-72-7 33471-500ML 11,805.30CNY Detail
Sigma-Aldrich (33471)  1,5-Diazabicyclo[4.3.0]non-5-ene  purum, ≥98.0% (GC) 3001-72-7 33471-100ML 2,652.39CNY Detail
Sigma-Aldrich (33471)  1,5-Diazabicyclo[4.3.0]non-5-ene  purum, ≥98.0% (GC) 3001-72-7 33471-25ML 845.91CNY Detail
Alfa Aesar (A13437)  1,5-Diazabicyclo[4.3.0]non-5-ene, 98%    3001-72-7 100g 1095.0CNY Detail
Alfa Aesar (A13437)  1,5-Diazabicyclo[4.3.0]non-5-ene, 98%    3001-72-7 25g 307.0CNY Detail
Alfa Aesar (A13437)  1,5-Diazabicyclo[4.3.0]non-5-ene, 98%    3001-72-7 5g 114.0CNY Detail
TCI America (D1313)  1,5-Diazabicyclo[4.3.0]-5-nonene  >98.0%(GC) 3001-72-7 250mL 3,250.00CNY Detail
TCI America (D1313)  1,5-Diazabicyclo[4.3.0]-5-nonene  >98.0%(GC) 3001-72-7 25mL 650.00CNY Detail
TCI America (D1313)  1,5-Diazabicyclo[4.3.0]-5-nonene  >98.0%(GC) 3001-72-7 10mL 350.00CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017


1.1 GHS Product identifier

Product name 2,3,4,6,7,8-hexahydropyrrolo[1,2-a]pyrimidine

1.2 Other means of identification

Product number -
Other names 2,3,4,6,7,8-Hexahydropyrrolo[1,2-a]pyrimidine

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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