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Basic Information
CAS No.: 2092-55-9
Name: ACID ALIZARIN VIOLET N
Molecular Structure:
Molecular Structure of 2092-55-9 (ACID ALIZARIN VIOLET N)
Formula:  C16H12 N2 O5 S . Na
Molecular Weight: 367.35
Synonyms: Benzenesulfonicacid, 4-hydroxy-3-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt (9CI);C.I.Mordant Violet 5 (7CI);C.I. Mordant Violet 5, monosodium salt (8CI);Eriochrome Violet B (6CI);Acid Alizarin Violet N;Acid Alizarine Violet;AcidAlizarine Violet B;Acid Chrome Violet K;Acid Chrome Violet N;Aizen ChromeViolet BH;Alizarine Violet N;Alphacroic Violet B;Atlantichrome Violet B;Brasilan Chrome Violet B;C.I. 15670;Chromacid Violet R;Chromaven Violet B;Chrome Fast Violet B;Chrome Violet B;Chrome Violet K;Chrome Violet R;CromalViolet B;Diacromo Violet N;Diamond Corinth N;Durochrome Violet B;ErioChrome Violet BA;Erio Chrome Violet BR;Hispacrom Violet B;Java Chrome VioletB;Magracrom Violet N;Mitsui Chrome Violet BC;Monochrome Violet B;MordantViolet 5;Omega Chrome Dark Violet D;Pontachrome Violet SW;Solochrome Violet;Solochrome Violet R;Solochrome Violet RS;Solocrom Violet RS;SunchromineViolet B;Superchrome Violet B;Symulon Chrome Violet B;Tertrochrome Violet N;Yodochrome Violet B;
EINECS: 218-246-4
Density: g/cm3
Melting Point: >300°C
Boiling Point: °Cat760mmHg
Flash Point: °C
Solubility: Toxicity data
(The meaning of any toxicological abbreviations which appear in">

Stability

    Stable. Incompatible with strong oxidizing agents.

Toxicology

    Irritant.

    Toxicity data
    (The meaning of any toxicological abbreviations which appear in

Appearance: red powder
Hazard Symbols:
Risk Codes: R36 R37 R38.
Safety: S37 S39
PSA: 130.76000
LogP: 4.65130
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Consensus Reports

Reported in EPA TSCA Inventory.

Specification

The 4-Hydroxy-3-((2-hydroxy-1-naphthalen-yl)azo)benzenesulfonic acid, monosodium salt, with the CAS register number 2092-55-9, has other names as fast green extra bluish; eriochrome violet; eriochrome violet b; eriochrome violet ba; chrome violet; ci 15670; ci 42038; atlantichrome violet b; benzenesulfonic acid, 4-hydroxy-3-[(E)-2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1); sodium 4-hydroxy-3-[(E)-(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate.

Some physical characteristics of this chemical are as the following: (1)#H bond acceptors: 7; (2)#H bond donors: 3; (3)#Freely Rotating Bonds: 5; (4)Polar Surface Area: 130.76. As for its usage, 4-Hydroxy-3-((2-hydroxy-1-naphthalen-yl)azo)benzenesulfonic acid, monosodium salt is usually used as fluorescent dye of chemical detection.

This is a kind of red powder and it is stable in air but incompatible with strong oxidizing agents. Being among the irritant chemicals, it is irritant to eyes, respiratory system and skin and it may cause inflammation to the skin or other mucous membranes. So while dealing with this kind of chemical, you should be cautious and take the following instructions. Wear suitable gloves and eye/face protection and avoid contact with skin and eyes. If in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

In addition, you could refer to the following data information to get the molecular structure:
(1)SMILES:[Na+].Oc3ccc(cc3/N=N/c1c2ccccc2ccc1O)S([O-])(=O)=O
(2)InChI:InChI=1/C16H12N2O5S.Na/c19-14-8-6-11(24(21,22)23)9-13(14)17-18-16-12-4-2-1-3-10(12)5-7-15(16)20;/h1-9,19-20H,(H,21,22,23);/q;+1/p-1/b18-17+;
(3)InChIKey:BEQIIZJSZSVJJK-MQRXKLAQBC