Azure B (azure I), dark green powder, certified C.I. 52010

Supplier: MP BIOMEDICALS (FKA ICN BIOMED

Synonyms: Trimethylthionine chlorideC.I. 52010N,N,N′-Trimethylthionin3-(Dimethylamino)-7-(methylamino)phenothiazin-5-ium chlorideMethylene Azur B

0219052001 0219052010
76461-470EA 51.79 USD
76461-470 IC19052010
Azure B (azure I), dark green powder, certified C.I. 52010
Azure B (Azure I)

Azure B Certified is used for differentiating cellular RNA (purplish) and DNA (blue-green) in plant tissues. Useful as a stain for Negri Bodies. Can be used in the Romanowsky-type stains for blood and blood protozoa.


Soluble in water (50 mg/ml) or ethanol (8-10 mg/ml); insoluble in diethyl ether.

Formula: C₁₅H₁₆ClN₃S
MW: 305.83 g/mol
Melting Pt: 205…210 °C (dec., lit.)
MDL Number: MFCD00011935
CAS Number: 531-55-5
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