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Acid Blue 9

Acid Blue 9 Structure
CAS No.
2650-18-2
Chemical Name:
Acid Blue 9
Synonyms
E133;ci671;AO205;BLUE 4;BLUEFCF;11388blue;afblueno1;oniumsalt;waterblue9;CI NO 42090
CBNumber:
CB4220729
Molecular Formula:
C37H39N3O9S3
Molecular Weight:
765.91
MOL File:
2650-18-2.mol
Modify Date:
2023/5/4 17:34:36

Acid Blue 9 Properties

Melting point 283 °C (dec.)(lit.)
Density 1.1666 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.6000 (estimate)
storage temp. Amber Vial, Refrigerator
solubility DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form Solid
color Dark Blue to Very Dark Purple
Water Solubility 1000g/L at 24.3℃
Stability Light Sensitive
LogP -3 at 23℃
CAS DataBase Reference 2650-18-2(CAS DataBase Reference)
EPA Substance Registry System C.I. Acid Blue 9, diammonium salt (2650-18-2)

SAFETY

Risk and Safety Statements

WGK Germany  3
RTECS  BQ4725000
Toxicity LDLo intravenous in human: 33ug/kg

Acid Blue 9 Chemical Properties,Uses,Production

Description

FD & C Blue No. 1 is principally the disodium salt of ethyl[4-[p- [ethyl(m-sulfobenzyl)amino]-α-(ο-sulfophenyl)benzylidene]2,5-cyclohexadien-l-ylidene](m-sulfobenzyl) ammonium hydroxide inner salt.
The colorant is a dark purple to bronze powder that dissolves in water to give a solution green-blue at neutrality, green in weak acid, and yellow in stronger acid. Addition of base to its neutral solution produces a violet color only on boiling. When dissolvedin concentrated sulfuric acid, it yields a yellow solution that turns green when diluted with water. It is soluble in 95% ethanol. FD & C Blue No. 1 is used in beverages and beverage powders, dairy products, bakery products, dessert powders, confectionery products, condiments, icings, syrups, jams, jellies, marmalades, liqueurs, and extracts. It is also used for coloring ingested drugs.

Chemical Properties

Blue powder

Preparation

2-Formylbenzenesulfonic acid ?and 3-(Ethyl(phenyl)amino)methyl)benzenesulfonic acid condensation, oxidation, and then the product into the ammonium salt or sodium salt.

Safety Profile

Human poison by intravenous route. Human systemic effects by intravenous route: muscle contractions or spasticity and dpspnea. Questionable carcinogen with experimental neoplastigenic and tumorigenic data. Mutation data reported. When heated to decomposition it emits very toxic fumes of NH3, NOx, and SOx.

Acid Blue 9 Preparation Products And Raw materials

Global( 135)Suppliers
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Euroasia Trans Continental +91 22 56349035-36 New Delhi, India 519 47 Inquiry
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Henan Tianfu Chemical Co.,Ltd. +86-0371-55170693 +86-19937530512 China 21667 55 Inquiry
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TargetMol Chemicals Inc. +1-781-999-5354 +1-00000000000 United States 19892 58 Inquiry
CI NO 42090 ERIOGLAUCIN A ERIOGLAUCINE ERIOGLAUCINE A ERIOGLAUCINE SODIUM SALT E133 INTRACID PURE BLUE L LAKE BRILLIANT BLUE FCF FOOD BLUE NO 1 FD AND C BLUE NO 1 FD AND C BLUE 1 BRILLIANT BLUE E BRILLIANT BLUE FCF NEPTUNE BLUE BRA 11388blue a.f.blueno.1 acidblue9,diammonium acidblue9,diammoniumsalt acilanturquoiseblueae afblueno1 aizenbrilliantbluefcf alphazurine(indicator) alphazurine[indicator] amacidbluefgconc ammonium,ethyl(4-(p-(ethyl(m-sulfobenzyl)amino)-alpha-(o-sulfophenyl)benzylide benzenemethanaminium,n-ethyl-n-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)pheny bleubrilliantfcf bucacidazureblue c.i.acidblue9 c.i.acidblue9,diammoniumsalt calcocidblueeg ci671 ciacidblue9 ciacidblue9,diammoniumsalt cidirectbrown78 cidirectbrown78,diammoniumsalt dandcblueno.4 dandcblueno1 dandcblueno4 disulphinelakeblueeg duasynacidblueae edicolsuprabluee6 erioglaucinee erioskyblue fenazobluexr h.k.formulano.k.7117 hkformulanok7117 innersalt,diammoniumsalt kitonbluear l)(2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulfo-,hydroxide, maplebrilliantbluefcf ne)-2,5-cyclohexadien-1-ylidene)(m-sulfobenzyl)-,hydroxide,innersalt,diamm neptunebluebraconcentration nnersalt,diammoniumsalt diammonio(ethyl)[4-[[4-[ethyl(3-sulphonatobenzyl)amino]phenyl](2-sulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium ACID BLUE 9 AMMONIUM SALT AO205 BLUE 4