ChemicalBook > CAS DataBase List > 4,5-Dicyanoimidazole

4,5-Dicyanoimidazole

Product Name
4,5-Dicyanoimidazole
CAS No.
1122-28-7
Chemical Name
4,5-Dicyanoimidazole
Synonyms
DCI;ACTIVATOR;1h-imidazole-4,5-dicarbonitrile;Dicyanoimidazole;4,5-Dicyano-1H-imidazole;AURORA 15196;IMIDAZOLE-4,5-DICARBONITRILE;DCI)4,5-DicyanoiM;4,5-two -iMidazole;4,5-DICYANOIMIDAZOL
CBNumber
CB5125777
Molecular Formula
C5H2N4
Formula Weight
118.1
MOL File
1122-28-7.mol
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4,5-Dicyanoimidazole Property

Melting point:
168-175 °C(lit.)
Boiling point:
569.3±35.0 °C(Predicted)
Density 
0.791 g/mL at 25 °C
Flash point:
50 °F
storage temp. 
Inert atmosphere,Room Temperature
solubility 
Soluble in Acetonitrile: 1.8g/10ml, DMSO, Methanol.
pka
5.01±0.10(Predicted)
form 
Crystalline Powder
color 
solid white
BRN 
118208
InChI
InChI=1S/C5H2N4/c6-1-4-5(2-7)9-3-8-4/h3H,(H,8,9)
InChIKey
XGDRLCRGKUCBQL-UHFFFAOYSA-N
SMILES
C1NC(C#N)=C(C#N)N=1
CAS DataBase Reference
1122-28-7(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi,Xn,F
Risk Statements 
37/38-41-36/37/38-20/22-36-20/21/22-11
Safety Statements 
26-39-36/37/39-36/37-16
RIDADR 
UN 1648 3/PG 2
WGK Germany 
3
Hazard Note 
Irritant
HazardClass 
6.1
PackingGroup 
III
HS Code 
29332900
Storage Class
11 - Combustible Solids
Hazard Classifications
Eye Dam. 1
Skin Irrit. 2
STOT SE 3
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
554030
Product name
4,5-Dicyanoimidazole
Purity
99.0%
Packaging
1kg
Price
$5310
Updated
2026/03/19
Sigma-Aldrich
Product number
324132
Product name
4,5-Dicyanoimidazole
Purity
95%
Packaging
5g
Price
$24
Updated
2026/03/19
TCI Chemical
Product number
D2026
Product name
4,5-Dicyanoimidazole
Purity
>98.0%(HPLC)(N)
Packaging
25g
Price
$89
Updated
2026/03/19
TCI Chemical
Product number
D2026
Product name
4,5-Dicyanoimidazole
Purity
>98.0%(HPLC)(N)
Packaging
250g
Price
$747
Updated
2026/03/19
Sigma-Aldrich
Product number
554030
Product name
4,5-Dicyanoimidazole
Purity
99.0%
Packaging
5g
Price
$104
Updated
2026/03/19
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4,5-Dicyanoimidazole Chemical Properties,Usage,Production

Chemical Properties

white crystalline powder

Uses

4,5-Dicyanoimidazole is used in activation of nucleoside phosphoramidites during solid-phase oligonucleotide synthesis, and synthesis of nucleoside phosphoramidites, synthesis of novel nucleosides. It is often used as an alternative to tetrazole.

Synthesis Reference(s)

Synthesis, p. 767, 1988 DOI: 10.1055/s-1988-27702

General Description

4,5-Dicyanoimidazole (DCI) participates as an activator in the synthesis of oligonucleotides.

4,5-Dicyanoimidazole Preparation Products And Raw materials

Raw materials

Triethyl orthoformate Anisole Diaminomaleonitrile

Preparation Products

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4,5-Dicyanoimidazole Suppliers

Americas 1 Austria 1 Belgium 1 China 404 Europe 5 France 1 Germany 12 India 15 Israel 1 Japan 5 Slovakia 3 South Korea 1 Switzerland 2 The Netherlands 2 Ukraine 1 United Kingdom 18 United States 55 Global 529
Suzhou Highfine Biotech Co., Ltd
Tel
68417696 13962195629
Fax
0512-68417696
Email
minhan.zhao@highfine.com
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China
ProdList
472
Advantage
75
ABACHEM
Tel
13816002712
Fax
021-51159188
Email
liu_wj@abachem.com
Country
China
ProdList
45
Advantage
58
Nanjing King-pharm Co.,LTD.
Tel
025-58748998 18951874644
Email
elsa.cheng@chemsigma.com
Country
China
ProdList
138
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65
Nantong Zandery Biotechnology Co., Ltd.
Tel
0513-87582998 13912206938
Fax
+86 (513) 87581996
Email
xiaofeizhu@vip.163.com
Country
China
ProdList
255
Advantage
55
Wuhan kemike Biomedical Technology Co., Ltd
Tel
027-87747081 18186681184
Email
1344475572@qq.com
Country
China
ProdList
7024
Advantage
58
Shanghai Hongbang Pharmaceutical Co., Ltd.
Tel
021-021-64975436 18917636693
Fax
021-24280809
Email
1377976036@qq.com
Country
China
ProdList
307
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55
Shanghai Shanyuan pharmaceutical technology co., LTD
Tel
021-31761238 13167072949
Fax
021-31761238
Email
3146446224@qq.com
Country
China
ProdList
1379
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Hangzhou Aolishen Chemical Co., Ltd.
Tel
571-81727727 15267468089
Email
Frank.luo@aolisenchemical.com
Country
China
ProdList
473
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58
Creasyn Finechem(Tianjin) Co., Ltd.
Tel
022-83946278 13820503911
Fax
022-83945176
Email
sales@creasyn.com
Country
China
ProdList
994
Advantage
68
Shanghai Boyle Chemical Co., Ltd.
Tel
021-50182298 021-50180596
Fax
+86-21-57758967
Email
sales@boylechem.com
Country
China
ProdList
2208
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55
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View Lastest Price from 4,5-Dicyanoimidazole manufacturers

Rongchuang International
Product
4,5-Dicyanoimidazole 1122-28-7
Price
US $0.00/g
Min. Order
1g
Purity
99%
Supply Ability
9999
Release date
2026-03-02
Shaanxi Dideu Medichem Co. Ltd
Product
4,5-Dicyanoimidazole 1122-28-7
Price
US $1.00-4.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
200000KG
Release date
2025-09-12
WUHAN FORTUNA CHEMICAL CO., LTD
Product
4,5-Dicyanoimidazole 1122-28-7
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-02-07

1122-28-7, 4,5-DicyanoimidazoleRelated Search:

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