1H,1'H-2,2'-Biimidazole

Modify Date: 2026-07-13 14:21:36

1H,1'H-2,2'-Biimidazole Structure
1H,1'H-2,2'-Biimidazole structure
Common Name 1H,1'H-2,2'-Biimidazole
CAS Number 492-98-8 Molecular Weight 134.139
Density 1.4±0.1 g/cm3 Boiling Point 455.5±28.0 °C at 760 mmHg
Molecular Formula C6H6N4 Melting Point >350ºC
MSDS N/A Flash Point 238.1±17.0 °C

Summary: 2,2'-Biimidazole (Chinese name: 联咪唑,CAS number: 492-98-8,molecular formula: C6H6N4,molecular weight: 134.139) is a solid, appearing as light yellow to brown to dark green powder or crystal. Melting point is greater than 350ºC, boiling point is 455.5±28.0 °C, and density is 1.4±0.1 g/cm3. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2,2'-Biimidazole
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.4±0.1 g/cm3
Boiling Point 455.5±28.0 °C at 760 mmHg
Melting Point >350ºC
Molecular Formula C6H6N4
Molecular Weight 134.139
Flash Point 238.1±17.0 °C
Exact Mass 134.059250
PSA 57.36000
LogP 0.45
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.655
InChIKey AZUHIVLOSAPWDM-UHFFFAOYSA-N
SMILES c1c[nH]c(-c2ncc[nH]2)n1

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi: Irritant;
HS Code 2933290090

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933290090
Summary 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 1H,1'H-2,2'-BiimidazoleBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: 25% increase in left ventricular contractility (dP/dtmax) on iv administration in ane...
Source: ChEMBL
Target: Rattus norvegicus
External Id: CHEMBL780108
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

1H,1'H-[2,2']biimidazolyl
2-(1H-imidazol-2-yl)-1H-imidazole
2,2'-Bi-1H-imidazole
1H,1'H-2,2'-Biimidazole

 1H,1'H-2,2'-Biimidazole | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of 2,2'-Biimidazole?
A: LogP of 2,2'-Biimidazole is 0.45.
Q: What is the SMILES notation of 2,2'-Biimidazole?
A: SMILES notation of 2,2'-Biimidazole is c1c[nH]c(-c2ncc[nH]2)n1.
Q: What is the InChIKey of 2,2'-Biimidazole?
A: InChIKey of 2,2'-Biimidazole is AZUHIVLOSAPWDM-UHFFFAOYSA-N.
Q: What is the molecular weight of 2,2'-Biimidazole?
A: Molecular weight of 2,2'-Biimidazole is 134.139.
Q: What is the English name of 2,2'-Biimidazole?
A: The English name of 2,2'-Biimidazole is 2,2'-Biimidazole.
Q: What English synonyms does 2,2'-Biimidazole have?
A: English synonyms of 2,2'-Biimidazole: 1H,1'H-[2,2']biimidazolyl, 2-(1H-imidazol-2-yl)-1H-imidazole, 2,2'-Bi-1H-imidazole, 1H,1'H-2,2'-Biimidazole.
Q: What is the boiling point of 2,2'-Biimidazole?
A: Boiling point of 2,2'-Biimidazole is 455.5±28.0 °C at 760 mmHg.
Q: What is the polar surface area (PSA) of 2,2'-Biimidazole?
A: Polar surface area (PSA) of 2,2'-Biimidazole is 57.36000.
Q: What is the melting point of 2,2'-Biimidazole?
A: Melting point of 2,2'-Biimidazole is >350ºC.
Q: What is the molecular formula of 2,2'-Biimidazole?
A: Molecular formula of 2,2'-Biimidazole is C6H6N4.

 1H,1'H-2,2'-Biimidazolefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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