D9143

o-Dianisidine

peroxidase substrate, chromogenic, powder

• Synonym(s): 3,3′-Dimethoxybenzidine, Fast Blue B
• Empirical Formula (Hill Notation): C₁₄H₁₆N₂O₂
• CAS Number: 119-90-4
• Molecular Weight: 244.29
• Beilstein/REAXYS Number: 1879884
• EC Number: 204-355-4
• MDL number: MFCD00008372
• UNSPSC Code: 12352204
• PubChem Substance ID: 24894258
• NACRES: NA.83

Properties

• product name: o-Dianisidine, peroxidase substrate
• form: powder
• solubility: H₂O: slightly soluble; aqueous acid: soluble
• SMILES string: COc1cc(ccc1N)-c2ccc(N)c(OC)c2
• InChI: 1S/C14H16N2O2/c1-17-13-7-9(3-5-11(13)15)10-4-6-12(16)14(8-10)18-2/h3-8H,15-16H2,1-2H3
• InChI key: JRBJSXQPQWSCCF-UHFFFAOYSA-N

Description

Application

o-Dianisidine has been used for neutrophil myeloperoxidase activity (MPO) assay. It has also been used for staining erythrocytes.

as a constituent in neutral benzidine staining of dried blood smears

Caution

Darkens in storage.

Warning

Probably carcinogenic.

Safety Information

• pictograms: GHS08,GHS07
• signalword: Danger
• hcodes: H302,H350
• pcodes: P201 - P301 + P312 + P330 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 1B
• Storage Class: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk_germany: WGK 3
• flash_point_f: 402.8 °F - closed cup
• flash_point_c: 206 °C - closed cup
• ppe: Eyeshields, Gloves, type P2 (EN 143) respirator cartridges