ACID ALIZARIN VIOLET N

ACID ALIZARIN VIOLET N Structure
CAS No.
2092-55-9
Chemical Name:
ACID ALIZARIN VIOLET N
Synonyms
Duroch;CI 15670;CI 42038;NSC12453;NSC 12453;NSC-12453;Durochrome;chromevioletb;chromevioletk;chromevioletr
CBNumber:
CB0721147
Molecular Formula:
C16H11N2NaO5S
Molecular Weight:
366.32
MOL File:
2092-55-9.mol
MSDS File:
SDS
Modify Date:
2023/4/23 13:52:06

ACID ALIZARIN VIOLET N Properties

Melting point >300°C
solubility Solubility Soluble in water, ethanol
pka 4.35, 7.4, 9.35(at 25℃)
form crystals
color Reddish-violet
PH Range Orange-red (6.5) to violet (9.0)
λmax 501nm
Stability Stable. Incompatible with strong oxidizing agents.
Major Application inks, dye lasers, in manufacture of vinyl polymers, textiles determination of iron, calcium, aluminum, tantalum, monitoring hardness in industrial water, measuring chlorine dioxide in drinking water, hypoglycemic agents, nuclear fluorochrome
CAS DataBase Reference 2092-55-9
EPA Substance Registry System Benzenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt (2092-55-9)

SAFETY

Risk and Safety Statements

Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  24/25-37/39-26
RTECS  DB7012000
NFPA 704
0
1 0

ACID ALIZARIN VIOLET N Chemical Properties,Uses,Production

Chemical Properties

red powder

Preparation

3-Amino-4-hydroxybenzenesulfonic acid diazotization, and Naphthalen-2-ol coupling.

Purification Methods

Convert the acid to the monosodium salt by precipitation with NaOAc/AcOH buffer of pH 4, then purify by precipitation of the free acid from aqueous solution with conc HCl, washing and extracting with EtOH in a Soxhlet extractor. The acid precipitates on evaporating the EtOH and is reconverted to the sodium salt as described for Chlorazole Sky Blue FF. Dry it at 110o. It is hygroscopic. [Coates & Rigg Trans Faraday Soc 57 1088 1961, Beilstein 16 II 127.]

ACID ALIZARIN VIOLET N Preparation Products And Raw materials

Raw materials

Preparation Products

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ATLANTICHROME VIOLET B Acid Alizarin Violet N, pure Mordant violet 5 (C.I. 15760) Acid Chrome Violet K, Mordant Violet 5 Eriochrome Violet Bb Cromal Cviolet B Duroch Cromalviolet B Durochrome ACID CHROME VIOLET K ACID ALIZARIN VIOLET N ANTHRACENE CHROME VIOLET MORDANT VIOLET 5 SOLOCHROME VIOLET SOLOCHROME VIOLET RS 4-hydroxy-3-((2-hydroxy-1-naphthalenyl)azo)-benzenesulfonicacimonosodium 4-hydroxy-3-[(2-hydroxy-1-naphthalenyl)azo]-benzenesulfonicacimonosodium alphacroicvioletb brasilanchromevioletb c.i.mordantviolet5 c.i.mordantviolet5(acidalizarinviolet c.i.mordantviolet5(acidalizarinvioletn) c.i.mordantviolet5,monosodiumsalt chromacidvioletr chromalvioletb chromavenvioletb chromefastvioletb chromevioletb chromevioletk chromevioletr diacromovioletn diamondcorinthn durochromevioletb eriochromevioletbr hispacromvioletb javachromevioletb magacromvioletn mitsuichromevioletbc monchromevioletb omegachromedarkvioletd pontachromevioletsw solochromevioletr solocromvioletrs sunchrominevioletb superchromevioletb symulonchromevioletb tertrochromevioletn yodochromevioletb 4-Hydroxy-3-(2-hydroxy-1-naphthylazo)benzenesulfonic acid, sodium salt acid alizarin violet N (C.I. 15670) sodium 4-hydroxy-3-(2-hydroxy-1-naphthalenylazo)benzenesulphonate FAST GREEN EXTRA BLUISH ERIOCHROME VIOLET ERIOCHROME VIOLET B ERIOCHROME VIOLET BA CHROME VIOLET CI 15670 CI 42038