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Name	Acid Naphthol Red 6B	EINECS	224-352-1
CAS No.	4321-69-1	Density	N/A
PSA	228.65000	LogP	5.67860
Solubility	Soluble	Melting Point		N/A
Formula	C2₀H₁₈ N₄O₉S₂ . 2 Na	Boiling Point	N/A
Molecular Weight	566.48	Flash Point	N/A
Transport Information	N/A	Appearance	dark red powder
Safety		Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	2,7-Naphthalenedisulfonicacid, 5-(acetylamino)-3-[[4-(acetylamino)phenyl]azo]-4-hydroxy-, disodium salt(9CI);Azo Rhodine 6B (6CI);C.I. Acid Violet 7 (7CI);C.I. Acid Violet 7,disodium salt (8CI);1425 Red;Acetyl Red 6B;Acetyl Rose 5BL;Acetyl Rose 6BL;Acid Fast Red E 6B;Acid Fuchsine 6B;Acid Geranine 6B;Acid Leather Red K 6B;Acid Magenta 6B;Acid Naftol Red 6B;Acid Red 6B;Acid Rose 6BL;Acid Violet 7;Acidine Red 6B;Acilan Naphtol Red 6B;Amacid Fuchsine 6B;Amido Naphthol Red2B;Amido Naphthol Red 6B;Amido Red 6B;Atul Acid Geranine 6B;Azo Fuchsine6B;Azo Naphthol Red 6B;Borunil Violet A 3R;Brilliant Acid Red 6A;BrilliantAcid Rosamine 6B;Brilliant Colacid Red 6A;Bucacid Fast Crimson 6B;C.I.18055;C.I. Food Red 11;Calcocid Fuchsine 6B;Cetil Light Red 6B;Colocid Gernine6B;Conacid Violet L;Covalene Rose 6B;Curol Red 6B;Diacid Fast Red 6B;Dinacid Geramine 6B;Dycosacid Red 6B;Egacid Red 6B;Eniacid Light Red 6B;Erio Floxine 6B;Erio Floxine 6BN;Ext D and C Red No. 1;Fabracid Fuchsine S6B;Fast Crimson 6BL;Fenazo Fuchsine 6B;Geramine 6B;Hexacol Red 6B;HexalanRed 6B;Hidacid Fast Fuchsine 6B;Hispacid Fast Carmoisine 6B;Indacid Geramine6B;Java Naphtol Red 6B;Kemacid Geramine 6B;Kiton Red 6B;Kiton Red 6B-FQ;Kiton Red 7B;Lissamine Red 6B;Metamine Acid Fuchsine 6B;Multacid Red 6B;Multicuer Red 6B;Naphthol Red 6B;Naphtocard Red 6B;Navitan Fast Red 6B;Pacid Red 6B;Pontacyl Carmine 6B;Ranocid Fast Red 6B;Red 6B;Sandal AcidViolet N;Sandolan Rhodine E 6B;Simacid Fuchsin;Solar Fast Red 6B;TriacidAmidonaphthol Red 6B;Triacid Red 6BL;Unitertracid Red 6B;Vondacid NaphtholRed 6B;

Acid Naphthol Red 6B Chemical Properties

Molecular Formula: C₂₀H₁₆N₄Na₂O₉S₂
Molar mass: 566.47 g/mol
EINECS: 235-401-1
Appearance: Dark red powder
Solubility: Soluble in water,Slightly soluble in ethanol, acetone and ethylene glycol ether, insoluble in other organic solvents
Product categories of Acid violet 7 (4321-69-1): Organics;Dyes and Pigments;Stains
Structure of Acid violet 7 (4321-69-1):

H-Bond Donor: 3
H-Bond Acceptor: 11
IUPAC Name: Disodium
5-acetamido-3-[(4-acetamidophenyl)hydrazinylidene]-4-oxonaphthalene-2,
7-disulfonate
Canonical SMILES: CC(=O)NC1=CC=C(C=C1)NN=C2C(=CC3=CC(=CC(=C3C2=O)NC(=O)C)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
InChI: InChI=1S/C20H18N4O9S2.2Na/c1-10(25)21-13-3-5-14(6-4-13)23-24-19-17(35(31,32)33)8-12-7-15(34(28,29)30)9-16(22-11(2)26)18(12)20(19)27;;/h3-9,
23H,1-2H3,(H,21,25)(H,22,26)(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2
InChIKey: UNEOZSZVJMTZBX-UHFFFAOYSA-L

Acid Naphthol Red 6B Uses

Acid violet 7 (4321-69-1) is not only mainly used for wool, silk fabrics and dyeing of leather and paper, but also can be used for coloring soap, wood and cosmetics.

Acid Naphthol Red 6B Production

Take P-aminoacetanilide and N-acetyl-H acid as raw materials, and have the diazotization of P-aminoacetanilide , and then has the coincidence of N-acetyl-H acid. After those,by salting out, filtration, drying, grinding to get the product .

Acid Naphthol Red 6B Toxicity Data With Reference

orl-rat LD50:23,160 mg/kg

BCTKAG Bromatologia i Chemia Toksykologiczna. 21 (1988),65.

Acid Naphthol Red 6B Consensus Reports

Reported in EPA TSCA Inventory.

Acid Naphthol Red 6B Safety Profile

Low toxicity by ingestion. When heated to decomposition it emits toxic vapors of NO_x and SO_x.

Acid Naphthol Red 6B Specification

Acid violet 7 (4321-69-1) also can be called Acid naphthol red 6B ; Disodium 5-acetamido-3-(4-acetamidophenyl)azo-4-hydroxynaphthalene-2,7-disulphonate .

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