染料是指能使纤维等物料坚牢着色的有机物质。种类繁多,根据来源可分为天然染料和合成染料两大类。
一、按来源分类
天然染料虽然种类丰富,但由于色谱不全、应用不便及牢度差等缺点,多数已被合成染料取代。
二、按分子结构分类
三、按应用方法分类
四、染料的性质与用途
染料种类繁多,性质各异,用途广泛。作为物证时,通常固着在纺织纤维或纸张上,或作为墨水、印油、圆珠笔油、油墨的一种组织成分。检验方法包括微量化学法、薄层色谱法、液相色谱法、紫外-可见吸收光谱法及荧光光谱法。
五、染料行业发展
20世纪70年代至90年代,世界染料行业以开发新品种和提高质量为主,年产量保持在100万吨左右。中国染料行业自80年代以来快速发展,90年代至今侧重于提高质量,产量每年维持在30万吨上下,2000年的产量为31.56万吨。
纺织品染色是染料的主要用途之一,占总量的约85%,其余用于皮革、塑料、纸张及涂料等的着色。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
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—— | sulforhodamine B | 3520-42-1 | C27H29N2O7S2*Na |
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—— | Supracet Brilliant Red BD | 6373-93-9 | C18H20N4O3S |
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—— | Disperse Blue 165 | 41642-51-7 | C20H19N7O3 |
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—— | RB 4 | 13324-20-4 | C23H12Cl2N6O8S2*2Na |
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—— | reactive blue 19 | 2580-78-1 | C22H16N2O11S3*2Na |
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—— | 5,5'-Dichloro-4,4',7,7'-tetramethyl-3H,3'H-[2,2'-bibenzo[b]thiophenylidene]-3,3'-dione | 2379-75-1 | C20H14Cl2O2S2 |
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—— | disperse yellow 4 | 6407-80-3 | C15H11N3O2 |
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—— | metanil yellow | 587-98-4 | C18H14N3O3S*Na |
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—— | C.I. Acid Brown 75 | 71799-74-1 | C28H17N9O16S2 |
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—— | 4',4'''-Azobis(N-(5-(benzoylamino)-9,10-dihydro-9,10-dioxo-1-anthryl)(1,1'-biphenyl)-4-carboxamide) | 2379-76-2 | C68H42N6O8 |
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—— | 64696-98-6 | C18H10N4NiO2 |
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—— | Cibacron Brilliant Yellow 3G-P, Technical Grade | 50662-99-2 | C25H15Cl3N9Na3O10S3 |
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—— | Eosin Acid C.I. No. 45380 | 548-26-5 | C20H8Br4NaO5 |
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—— | Basic violet 3 nonahydrate | 60662-33-1 | C25H48ClN3O9 |
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—— | D&C Brown No. 1 | 1320-07-6 | C20H17N4NaO5S |
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—— | cobalt(2+);2-[(2-hydroxy-5-sulfamoylphenyl)diazenyl]-3-oxo-N-phenylbutanimidate | 12715-61-6 | C32H28CoN8O10S2.2H |
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—— | Disodium;1-amino-4-[4-[2-[4-[(4-amino-9,10-dioxo-3-sulfonatoanthracen-1-yl)amino]phenyl]propan-2-yl]anilino]-9,10-dioxoanthracene-2-sulfonate | 6471-01-8 | C43H30N4Na2O10S2 |
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—— | Sodium 6-((4-aminophenyl)azo)-5-hydroxynaphthalene-1-sulphonate | 5858-51-5 | C16H12N3NaO4S |
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—— | Ethyl 6-(4-methoxynaphthalen-1-yl)-4-methyl-2-sulfanyl-1,6-dihydropyrimidine-5-carboxylate | 6370-08-7 | C19H20N2O3S |
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—— | D&C Red No. 28 | 18472-87-2 | C20H2Br4Cl4Na2O5 |
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—— | 17372-87-1 | C20H8Br4NaO5 |
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—— | bismarck brown Y | 10114-58-6 | C18H18N8*2ClH |
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—— | Disperse Red 1 | 2872-52-8 | C16H18N4O3 |
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—— | Calcomine Black | 1937-37-7 | C34H27N9NaO7S2+ |
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—— | Direct Green B | 4335-09-5 | C34H24N8NaO10S2+ |
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—— | C.I. Direct Black 19 | 6428-31-5 | C34H29N13NaO7S2+ |
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—— | Chrome Orange | 85188-12-1 | C19H14N4NaO6S+ |
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—— | C.I. Direct Orange 26 | 83221-56-1 | C33H24N6NaO9S2+ |
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—— | C.I. Direct Red 23, disodium salt | 3441-14-3 | C35H27N7NaO10S2+ |
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—— | Acid Blue 29 | 5850-35-1 | C22H14N6Na2O9S2 |
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—— | 4-(p-Sulfophenylazo)-1-naphthol, sodium salt | 523-44-4 | C16H12N2NaO4S+ |
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—— | Amaranthe | 915-67-3 | C20H14N2NaO10S3+ |
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—— | Cochineal Red A | 2611-82-7 | C20H14N2NaO10S3+ |
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—— | Acid black 52 | 5610-64-0 | C60H36Cr2N9Na3O21S3 |
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—— | Direct Green 6 | 4335-09-5 | C34H22N8Na2O10S2 |
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—— | acid brown K | 3626-41-3 | C23H17N4O7S*Na |
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—— | Acid Yellow 199 | 70865-20-2 | C19H15N4NaO6S |
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—— | Sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate | 6222-55-5 | C23H17N4NaO7S |
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—— | 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[(4-nitro-2-sulfophenyl)azo]-, disodium salt | 6441-91-4 | C16H10N4Na2O9S2 |
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—— | C.I. Acid brown 121 | 6487-04-3 | C28H16N8Na2O14S2 |
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—— | C.I. Acid yellow 99 | 10343-58-5 | C16H13CrN4NaO8S |
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—— | Cobaltate(4-), bis(2-(((3-((1-(((2-chlorophenyl)amino)carbonyl)-2-(oxo-kappaO)propyl)azo-kappaN1)-4-(hydroxy-kappaO)phenyl)sulfonyl)amino)benzoato(3-))-, tetrasodium | 70851-34-2 | C46H32Cl2CoN8O14S2.4Na |
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—— | Solvent black 34 | 32517-36-5 | C32H23CrN6O8+ |
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—— | 6-Hydroxy-1-(3-isopropoxypropyl)-4-methyl-2-oxo-5-(4-(phenylazo)phenylazo)-1,2-dihydro-3-pyridinecarbonitrile | 85136-74-9 | C25H26N6O3 |
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—— | C.I. Acid Black 210 | 99576-15-5 | C34H25K2N11O11S3 |
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—— | Acid Brown 354 | 71799-43-4 | C30H20N8Na2O12S2 |
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—— | C.I. Direct Yellow 8 | 10130-29-7 | C24H19N4NaO5S2 |
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—— | orange I | 523-44-4 | C16H11N2O4S*Na |
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—— | Acid Red 106, Dye content 50 % | 6844-74-2 | C23H19N3NaO9S3 |
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—— | Acid Violet 90 | 6408-29-3 | C40H30CrN8Na2O10S2 |
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