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Sodium 3-hydroxy-4-(1-hydroxy-2-naphthyl)azo-7-nitronaphthalene-1-sulphonate

(CAS: 1787-61-7)

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Background Information of Sodium 3-hydroxy-4-(1-hydroxy-2-naphthyl)azo-7-nitronaphthalene-1-sulphonate

Eriochrome Black T is a complexometric indicator that is used in complexometric titrations, e.g.

Solubility of Sodium 3-hydroxy-4-(1-hydroxy-2-naphthyl)azo-7-nitronaphthalene-1-sulphonate

Solubility Sources

Storage Condition of Sodium 3-hydroxy-4-(1-hydroxy-2-naphthyl)azo-7-nitronaphthalene-1-sulphonate

Storage Condition Sources

MSDS Information

MSDS Sources

Quality Control and Spectral Data

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Mechanism and Indications

Signaling Pathways
Target
Research Area
Indications

Clinical Information

Product Name Sponsor & Collaborators Indications Start Date End Date Phase
Sodium 3-hydroxy-4-(1-hydroxy-2-naphthyl)azo-7-nitronaphthalene-1-sulphonate - No Development Reported

Chemical Information

M.Wt Formula CAS No. Synonyms
461.38 C20H12N3NaO7S 1787-61-7 C.I. 14645; 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid sodium salt; Mordant Black 11; sodium (E)-3-hydroxy-4-((1-hydroxynaphthalen-2-yl)diazenyl)-7-nitronaphthalene-1-sulfonate

Structure Information of Sodium 3-hydroxy-4-(1-hydroxy-2-naphthyl)azo-7-nitronaphthalene-1-sulphonate

Smiles O=S(C1=C(C=C2[N+]([O-])=O)C(C=C2)=C(/N=N/C3=CC=C4C(C=CC=C4)=C3O)C(O)=C1)([O-])=O.[Na+]
InChI InChI=1S/C20H13N3O7S.Na/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25;/h1-10,24-25H,(H,28,29,30);/q;+1/p-1/b22-21+;

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Safety Data of Sodium 3-hydroxy-4-(1-hydroxy-2-naphthyl)azo-7-nitronaphthalene-1-sulphonate

Hazard Symbols:Xi Risk Statements:R36 Safety Statements:S26;S39
Transport Information:UN 1230 HS Code:32041900 RTECS:QK2197000
WGK Germany:

Chemical and Physical Properties

Appearance: Melting point:
Boiling point: Flash Point:185 °C
Water Solubility: 50 g/L (20 ºC) Solubility:Soluble in DMSO
Density: Merck:14,3667
BRN:4121162 Refractive Index:
Vapour: EINECS:217-250-3
Optical Rotation: alpha:

Reference

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