Chemical data
- Formula
- C20H12N3NaO7S
- Molecular weight
- 461.4 g/mol
- IUPAC name
- sodium 2-[(2-hydroxy-6-nitro-4-sulfonaphthalen-1-yl)diazenyl]naphthalen-1-olate
- SMILES
- C1=CC=C2C(=C1)C=CC(=C2[O-])N=NC3=C4C=CC(=CC4=C(C=C3O)S(=O)(=O)O)[N+](=O)[O-].[Na+]
- InChIKey
- AMMWFYKTZVIRFN-UHFFFAOYSA-M
- Polar surface area
- 177 Ų
- H-bond donors
- 2
- H-bond acceptors
- 9
- Formal charge
- 0
via PubChem
Article · 中文
鉻黑T（英語：Eriochrome Black T）是一种配位指示剂，用于配位滴定，例如测定水的硬度过程中。它是一种偶氮染料。Eriochrome 是亨斯迈的商标。 在其去质子化的形式中，铬黑T是蓝色的。当它与钙、镁或其他金属离子形成配合物时会变成红色。
Abstract from DBpedia / Wikipedia · CC BY-SA
Connections
Categories
1-Naphthols2-NaphtholsAnalytical chemistryAzo dyesChembox image size setChemical articles with multiple compound IDsChemical articles with multiple PubChem CIDsComplexometric indicatorsECHA InfoCard ID from WikidataMultiple chemicals in an infobox that need indexingNaphthalenesulfonatesNitronaphthalenes