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Product name

CAS

Formula

Fumed Silica

CAS112945-52-5

FormulaO2Si

SynonymSilica, amorphous, Silicic anhydride, Silica, amorphous fumed Silica, pyrogenic, Fossil flour Fumed silica, Fumed silicon dioxide, cataloid, Colloidal silica, acticel, amorphoussilicadust

Refractive Index1.46

Melting Point1600 C

ColorWhite to gray

Molecular weight60.09

SolubilitySoluable in hydrofluoric acid

InsolubilityInsoluable in water

Specific gravity2.1

Sodium MetaSilicate

CAS13517-24-3

Molecular weight284.20

Methylamino Phenol Sulfate

CAS55-55-0

SynonymMetol, Phenol, 4-(methylamino)-, sulfate (2:1)

Slightly Solublein cold water, alcohol

Moderately Solublein boiling water

Insolubilityin ether

Melting Point250-260 c with dec.

Molecular weight344.23

Colorcolorless crystal or needles

Direct Yellow 44

Synonymdisodium 5-[[-[[[[2-methoxy-4-[(3-sulphonatophenyl) azo] phenyl] amino] carbonyl] amino] phenyl] azo] salicylate

Direct Blue 71 [1]

Synonymtetrasodium 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl) azo]-6-sulphonato-1-naphthyl]azo]-1-naphthyl]] azo]naphthalene-1,5-disulphonate

Direct Black 178

Synonym4-amino-3-[[4-[[[4-[(2,4-diaminophenyl) azo] phenyl] amino] carbonyl] phenyl] azo]-5-hydroxy-6-(phenylazo) naphthalene-2,7-disulphonic acid

Direct Black 22 [1]

Synonymtrisodium 6-[(2,4-diaminophenyl)azo-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo] phenyl]amino]-3-sulphonatophenyl]azo]-4-hydroxynaphthalene-2-sulphonate

Direct Black 22 [2]

Synonymtrisodium 6-[(2,4-diaminophenyl) azo-3-[[4-[[4-[[7-[(2,4-diaminophenyl) azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo] phenyl] amino]-3-sulphonatophenyl] azo]-4-hydroxynaphthalene-2-sulphonate

Direct Yellow 44 [3]

Synonymdisodium 5-[[-[[[[2-methoxy-4-[(3-sulphonatophenyl) azo] phenyl] amino] carbonyl] amino] phenyl] azo] salicylate

Napthalenedisulfonic acid disodium salt

Synonym7-[[2-Methyl-4-[3-[2-methoxy-4-[(3-sodiumsulfophenyl) azo] phenyl] ureido] phenyl] azo]-1,3-naphthalenedisulfonic acid disodium salt

Direct Yellow 106 [1]

Synonymhexasodium 2,2'-[azobis[(2-sulphonato-4,11-phenylene) vinylene (-sulphonato-4,1-phenylene]] bis [2H-naphtho [1,2-d]triazole-5-sulphonate]

Direct Yellow 107

Synonymdisodium 3,3'-[carbonylbis [imino (3-methoxy-4,1-phenylene)azo]] bis [benzenesulphonate]

Direct Yellow 44 [2]

Synonymdisodium 5-[[-[[[[2-methoxy-4-[(3-sulphonatophenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo] salicylate

Direct Yellow 44 [1]

Synonymdisodium 5-[[-[[[[2-methoxy-4-[(3-sulphonatophenyl)azo] phenyl] amino] carbonyl] amino]phenyl] azo]salicylate

Direct Yellow 86 [1]

Synonymtetrasodium 3,3'-[[6-[(2--hydroxyethyl) amino]-1,3,5-triazine-2,4-diyl] bis [imino_2-methyl-4,1-phenylene) azo]] bisnaphthalene-1,5-disulphonate

Direct Yellow 12 [2]

Synonymdisodim 4,4'-bis [(4-ethoxyphenyl) azo] stilbene-2,2'-disulphonate

Direct Yellow 12 [1]

Synonymdisodim 4,4'-bis [(4-ethoxyphenyl)azo] stilbene-2,2'-disulphonate

Direct Violet 9

Synonymdisodium 4-hydroxy-3-[[2-methoxy-5-methyl-4-[(4-sulphonatophenyl)azo]-7-(phenylamino)naphthalene-2-sulphonate

Direct Red 23 [1]

Synonymdisodium 3-[(4-acetamidophenyl) azo]-4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthylamino] carbonyl] amino] naphthalene 2-sulphonate

Direct Violet 51 [1]

Synonymdisodium-7-anilino--3-[[4-[2,4-dimethyl-6-sulphonatophenyl]azo]-6-methoxy-m-tolyl]azo]-4-hydroxynaphthalene-2-sulphonate

Basic Red 1

CAS1285875-62-8

FormulaC28H30N2O3

Synonym9-[2-(ethoxycarbonyl)phenyl]-3,6-bis (ethylamino)-2,7-dimethylxanthylium chloride

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