Bisbenzimide

Name: Bisbenzimide
Brand: Vaqora Chemicals
SKU: VQ-019678

About Bisbenzimide

Bisbenzimide is an indicator carrying the CAS registry number 23491-52-3. With the molecular formula C27H28N6O, it has a molar mass of 452.6 g/mol. The IUPAC name is 2-(4-ethoxyphenyl)-6-[6-(4-methylpiperazin-1-yl)-1H-benzimidazol-2-yl]-1H-benzimidazole. It is also known as Hoechst 33342 or Ho 342.

Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for titration end-point detection, pH determination, analytical testing and indicator for titrations. It is used across academic and industrial research and textiles and dyeing.

Vaqora Chemicals supplies Bisbenzimide in 25 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Titration end-point detection
pH determination
Analytical testing
Indicator for titrations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Bisbenzimide
Catalogue No.	VQ-019678
CAS Number	23491-52-3
IUPAC name	2-(4-ethoxyphenyl)-6-[6-(4-methylpiperazin-1-yl)-1H-benzimidazol-2-yl]-1H-benzimidazole
Molecular formula	C₂₇H₂₈N₆O
Molecular weight	452.6 g/mol
Exact mass	452.2325
InChIKey	PRDFBSVERLRRMY-UHFFFAOYSA-N
SMILES	CCOC1=CC=C(C=C1)C2=NC3=C(N2)C=C(C=C3)C4=NC5=C(N4)C=C(C=C5)N6CCN(CC6)C
PubChem CID	1464

Physical properties
Physical form	Other
LogP (XLogP3)	4.6
H-bond donors / acceptors	2 / 5
TPSA	73.1 Å²
Synonyms	Hoechst 33342, Ho 342, 2'-(4-ethoxyphenyl)-5-(4-methyl-1-piperazinyl)-2,5'-bi-benzimidazole, 2,5'-BIBENZIMIDAZOLE, 2'-(p-ETHOXYPHENYL)-5-(4-METHYL-1-PIPERAZINYL)-, 2'-(p-ethoxyphenyl)-5-(4-methyl-1-piperazinyl)-2,5'-bibenzimidazole, Bisbenzimide ethoxide, 2'-(4-Ethoxyphenyl)-5-(4-methylpiperazin-1-yl)-1H,1'H-2,5'-bibenzo[d]imidazole, 2,5'-Bi-1H-benzimidazole, 2'-(4-ethoxyphenyl)-5-(4-methyl-1-piperazinyl)-, 2'-(4-ethoxyphenyl)-5-(4-methyl-1-piperazinyl)-2,5'-bi-1H-benzimidazole, 2'-(4-ethoxyphenyl)-5-(4-methylpiperazin-1-yl)-2,5'-bibenzimidazole, hoechst33342

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects

Precautionary statements: P203, P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P318, P319, P321, P330, P332 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Bisbenzimide?

The CAS Registry Number of Bisbenzimide is 23491-52-3. It is also known as Hoechst 33342, Ho 342, 2'-(4-ethoxyphenyl)-5-(4-methyl-1-piperazinyl)-2,5'-bi-benzimidazole.

What is the molecular formula and molecular weight of Bisbenzimide?

Bisbenzimide has the molecular formula C27H28N6O and a molecular weight of 452.6 g/mol. Its IUPAC name is 2-(4-ethoxyphenyl)-6-[6-(4-methylpiperazin-1-yl)-1H-benzimidazol-2-yl]-1H-benzimidazole.

Which grade and pack sizes of Bisbenzimide can I order?

We supply Bisbenzimide, in 25 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Bisbenzimide?

Yes. Every lot of Bisbenzimide is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Bisbenzimide be shipped internationally?

Yes. Bisbenzimide is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.