5,6-二甲基苯并咪唑

Description

5,6-Dimethylbenzimidazole · CAS 582-60-5 · C9H10N2. UNII 553XI1DS20. Melting Point: 205.5; Melting Point: 205.5 °C; LogP: 2.35.

Identification

CAS Registry Number	582-60-5
PubChem CID	675
Molecular formula	C9H10N2
IUPAC name	5,6-dimethyl-1H-benzimidazole
UNII (FDA)	553XI1DS20

Computed Descriptors

Molecular Weight	146.19
XLogP3	2.4
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	146.084398327
Monoisotopic Mass	146.084398327
Topological Polar Surface Area	28.7
Heavy Atom Count	11
Formal Charge	0

Physical & Chemical Properties

Melting Point	205.5
Melting Point	205.5 °C
LogP	2.35
LogP	1.854
Collision Cross Section	130 Ų [M-H]-
Collision Cross Section	130.4 Ų [M+H]+

Physical description & handling notes

• Solid
• 129.9 Ų [M-H]- [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]
• 130.3 Ų [M+H]+ [CCS Type: DT; Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]
• 127.73 Ų [M-H]- [CCS Type: DT; Method: single field calibrated with Agilent tune mix (Agilent)]
• 129.9 Ų [M+H]+ [CCS Type: DT; Method: single field calibrated with Agilent tune mix (Agilent)]

Regulatory Status

GHS notification summary	50% (3 / 6)

GHS Hazard Classification

GHS notification summary	50% (3 / 6)
Reported hazard statements	H302 (33.3%), H315 (50%), H319 (50%), H335 (16.7%), H412 (33.3%)

Documented Uses

• 1H-Benzimidazole, 5,6-dimethyl-: INACTIVE

Synonyms

5,6-Dimethylbenzimidazole; 582-60-5; 5,6-Dimethyl-1H-benzimidazole; Dimedazol; Dimedazole; Dimesol; 1H-Benzimidazole, 5,6-dimethyl-; Dimezol; dimethylbenzimidazole; Benzimidazole, 5,6-dimethyl-; 5,6-dimethyl-1H-1,3-benzodiazole; 553XI1DS20; NSC-68316; CHEBI:15890; DTXSID70870631; RefChem:528118

Frequently Asked Questions

What are the CAS number and molecular formula of 5,6-Dimethylbenzimidazole?

CAS 582-60-5; molecular formula C9H10N2; molecular weight — g/mol.

What other names is 5,6-Dimethylbenzimidazole known by?

5,6-Dimethylbenzimidazole, 582-60-5, 5,6-Dimethyl-1H-benzimidazole, Dimedazol, Dimedazole, Dimesol.

Is 5,6-Dimethylbenzimidazole classified as hazardous?

50% of GHS notifications report no hazard classification (3 of 6).

What are the key physical properties of 5,6-Dimethylbenzimidazole?

Melting Point: 205.5; Melting Point: 205.5 °C; LogP: 2.35; LogP: 1.854.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.