2,5'-Bi-1H-benzimidazole,2'-(4-ethoxyphenyl)-5-(4-methyl-1-piperazinyl)- cas no:23491-52-3

Name2,5'-Bi-1H-benzimidazole,2'-(4-ethoxyphenyl)-5-(4-methyl-1-piperazinyl)-
CAS23491-52-3
Synonyms2,5'-Bibenzimidazole,2'-(p-ethoxyphenyl)-5-(4-methyl-1-piperazinyl)- (8CI); 2-[2-(4-Ethoxyphenyl)-6-benzimidazolyl]-6-(1-methyl-4-piperazinyl)benzimidazole;2'-(4-Ethoxyphenyl)-5-(4-methyl-1-piperazinyl)-2,5'-bi-1H-benzimidazole;Bisbenzimide; HOE 33342; Ho 342; Hoechst 33342; NSC 334072
EINECS(EC#)245-691-1
Molecular FormulaC27H28 N6 O
Molecular Weight452.55

AppearanceYellow-green powder.
storage temp2-8°C

Hazard Xn: Harmful;
Risk R22
Safety

Mutation data reported. When heated to decomposition it emits toxic vapors of NO_x.
Hazard Codes:  Xn
Risk Statements: 22-36/38-36/37/38-20/21/22 
R22: Harmful if swallowed
R36/38:  Irritating to eyes and skin. .
R36/37/38: Irritating to eyes, respiratory system and skin.  
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 26-36-24/25-23 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
S24/25: Avoid contact with skin and eyes 
S23: Do not breathe vapour. 
WGK Germany: 3
RTECS: SM1140500
F: 3-8-10

1.		dni-hmn-hla 300 nmol/L		CRNGDP    Carcinogenesis. 13 (1992),2389.
2.		dnd-mus-fbr 5 µmol/L		CRNGDP    Carcinogenesis. 9 (1988),485.
3.		mnt-ham-ovr 10 µmol/L		MUREAV    Mutation Research. 448 (2000),35.
4.		dnd-ham-lng 1 µmol/L		JHCYAS    Journal of Histochemistry and Cytochemistry. 30 (1982),111.
5.		dni-ham-lng 1 µmol/L		JHCYAS    Journal of Histochemistry and Cytochemistry. 30 (1982),111.