6507-79-5

Name	Acid Red 154
Synonyms	C.I.24800 Acid Red 154 Tracid Bordeaux BB PXZXQAISYZCANU-ZTJYFDIRSA-N 2-naphthalenesulfonic acid, 3,3'-[cyclohexylidenebis[(2-methyl-4,1-phenylene)az disodium 3,3'-[cyclohexylidenebis[(2-methyl-4,1-phenylene)azo]]bis(4,6-dihydroxynaphthalene-2-sulphonate) Disodium 3,3'-(cyclohexylidenebis((2-methyl-4,1-phenylene)azo))bis(4,6-dihydroxynaphthalene-2-sulphonate) 3,3'-[Cyclohexylidenebis[(2-methyl-4,1-phenylene)azo]]bis[4,6-dihydroxy-2-naphthalenesulfonic acid]disodium salt 3,3'-(Cyclohexylidenebis((2-methyl-4,1-phenylene)azo))bis(4,6-dihydroxy-2-naphthalenesulfonic acid), disodium salt 2-Naphthalenesulfonic acid, 3,3'-(cyclohexylidenebis((2-methyl-4,1-phenylene)azo))bis(4,6-dihydroxy-, disodium salt disodium 3,3'-{cyclohexane-1,1-diylbis[(2-methylbenzene-4,1-diyl)hydrazine-2,1-diyl]}bis(4,6-dioxo-4,6-dihydronaphthalene-2-sulfonate) disodium 3-[4-[1-[4-[(1,7-dihydroxy-3-sulfonato-2-naphthyl)azo]-3-methyl-phenyl]cyclohexyl]-2-methyl-phenyl]azo-4,6-dihydroxy-naphthalene-2-sulfonate disodium,3-[2-[4-[1-[4-[2-(1,7-dioxo-3-sulfonatonaphthalen-2-yl)hydrazinyl]-3-methylphenyl]cyclohexyl]-2-methylphenyl]hydrazinyl]-4,6-dioxonaphthalene-2-sulfonate
CAS	6507-79-5
EINECS	229-398-6
InChI	InChI=1/C40H36N4O10S2.2Na/c1-22-16-26(8-12-32(22)41-43-36-34(55(49,50)51)18-24-6-10-28(45)20-30(24)38(36)47)40(14-4-3-5-15-40)27-9-13-33(23(2)17-27)42-44-37-35(56(52,53)54)19-25-7-11-29(46)21-31(25)39(37)48;;/h6-13,16-21,45-48H,3-5,14-15H2,1-2H3,(H,49,50,51)(H,52,53,54);;/q;2*+1/p-2

Molecular Formula	C40H34N4Na2O10S2
Molar Mass	840.8283
Density	1.471[at 20℃]
Water Solubility	117.47g/L at 20℃
Vapor Presure	0Pa at 25℃
Physical and Chemical Properties	Soluble in water, the aqueous solution is magenta, and the addition of concentrated hydrochloric acid is converted into wine red; The addition of concentrated sodium hydroxide solution is converted into jujube red. Slightly soluble in ethanol was Magenta. It was dark purple in concentrated sulfuric acid and turned pink after dilution.

LogP	-1.838 at 20℃
EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
uses	weak acid purple BB is mainly used for dyeing wool, silk, nylon fabric, also used for leather, paper, plastic coloring.
production method	with 4,4 '-diamino-3, 3'-dimethyldiphenylcyclohexane and 4, 6-dihydroxy-2-naphthalenesulfonic acid is used as a raw material, and the former is first double nitrided, and then coupled with the latter to obtain a product. The final product was obtained by filtration, drying and pulverization.. 7340G of 4,4 '-diamino-3, 3'-dimethyldiphenylcyclohexane hydrochloride solution (3%) and 304.2G of hydrochloric acid (30%) were added to the diazotization tank, and the temperature was lowered to 0-5 ℃, then 40% sodium nitrite solution (98% NaNO2 142.9G) was slowly added and stirred for 1H. Potassium iodide test paper blue as the end point, temperature 5-10 ℃. Another 100% g of 4, 6-dihydroxy-2-naphthalenesulfonic acid (), 3L of water, and 235g of sodium bicarbonate (industrial product) were stirred until completely dissolved. The temperature was lowered to 5 ° C., and the above diazo solution was slowly added to maintain a pH of 7-7.5 and a temperature of 10-15 ° C., and stirred for 1H until the diazonium salt disappeared. About 110g of sodium carbonate (industrial) was then added, the pH was adjusted to 9, and the temperature was maintained at 10-15 °c for 3 hours. After filtration and drying, about 1600g of dye was obtained.

Last Update：2024-04-09 02:00:10

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