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| tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate] Basic information |
Product Name: | tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate] | Synonyms: | tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate];Direct red 101 (C.I. 25320);4,4'-[Ureylenebis[(4,1-phenylene)azo]]bis[3-amino-5-hydroxynaphthalene-2,7-disulfonic acid disodium] salt;C.I.25320;C.I.Direct Red 101;Sirius Pink G;tetrasodium,3-imino-4-[2-[4-[[4-[2-(2-imino-8-oxo-3,6-disulfonatonaphthalen-1-yl)hydrazinyl]phenyl]carbamoylamino]phenyl]hydrazinyl]-5-oxonaphthalene-2,7-disulfonate;C.I.Direct Red 101:C.I.25320 | CAS: | 6771-81-9 | MF: | C33H22N8Na4O15S4 | MW: | 990.79146 | EINECS: | 2298298 | Product Categories: | | Mol File: | 6771-81-9.mol | |
| tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate] Chemical Properties |
| tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate] Usage And Synthesis |
Preparation | 4-Nitrobenzenamine diazo, in acid conditions and 3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then will the nitro reduction, again will create the amino nitrogen compounds for light accidentally gasification. | Properties and Applications | blue light pink. Soluble in water for product red, soluble in ethanol. In the dark for the strong sulfuric acid, diluted Red sauce for. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick sodium hydroxide solution for red, have precipitation.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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2-3
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5
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2
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2
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| tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate] Preparation Products And Raw materials |
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