dye Pigment
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Dyes and Pigments

dye Pigment
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Dyes refer to the organic substances enable the strong coloring of fiber and some other materials. There are various kinds of dyes. According to the source, they can be divided into natural dyes (such as vegetable dyes, animal dyes and mineral dyes, etc.) and synthetic dyes (or artificial dyes). According to the molecular structure, it can be divided into azo dyes, anthraquinone dyes, phthalocyanine dyes, aromatic dyes and nitro dyes. Based on the application methods, it can be divided into acid dyes, basic dyes, sulfur dyes, reactive dyes, disperse dyes, direct dyes and so on. Dyes have color, but substance having color does not necessarily belong to dyes. Dye must have a chromophore and auxochrome group. Dye contained in the ink should also have water-soluble group such as sulfonic acid group.

Natural dyes are dyes obtained from animals, plants and minerals. According to sources they can be divided into: ① plant dyes; dyes extracted from the roots, stems, leaves and fruit of some plants such as indigo extracted from the leaves of indigo (blue); curcumin extracted from turmeric (yellow); alizarin extracted from madder (red) and so on; ② animal dyes; dyes extracted from animal body such as carmine extracted from cochineal, etc; ③ mineral dyes; dyes extracted from the colored inorganic substance of mineral such as chrome yellow, ultramarine blue, brown and other manganese. Owing to its various disadvantages compared with artificial dyes such as incomplete chromatography, application inconvenience and poor fastness, most natural dyes have been eliminated except for a few still in use.

Synthetic dyes, also known as "artificial dyes." is mainly made through the chemical processing of coal tar (or oil processing) fractionation products (such as benzene, naphthalene, anthracene and carbazole, etc.), sometimes are also known as coal tar dyes. Since the earliest several synthetic dyes all took aniline as raw material, it is also known as "aniline dyes." Compared with the natural dyes, synthetic dyes have various kinds with complete chromatography and most of them being colorful, washable and being able to be produced in large-scale. Thus, almost all of the current so-called dye refers to synthetic dyes with its dyeing products being one of the common samples of Forensic evidence.

Pigment is a colored, black, white or fluorescent particulate organic or inorganic solid. It is not soluble in water, oil or other applied media, but can be uniformly dispersed with the dispersion process being unaffected by the physical and chemical effects of the medium and still retaining its unique crystal or particle structure. Based on the chemical composition, it is divided into inorganic and organic pigments; according to color, it can be divided into white, red, yellow, black and other pigments; according to the source, it is divided into natural and synthetic pigments with natural pigments including mineral (inorganic) such as ocher, cinnabar, laterite and realgar, etc., also derivatives from animals and plants (organic) such as Garcinia and cochineal red; the synthetic pigments also include organic and inorganic pigments; according to the applications, it is classified into coloring pigment, extender pigments and functional pigments. Coloring pigment is inorganic and organic pigments that can endow the media with a variety of colors; extender pigment is a non-coloring and non-opacity pigments. In early time, it is mainly used to reduce product cost and improve the performance of coatings, plastics, rubber and other products. Therefore it is also called filler. Now there are natural products and synthetic products which have been processed into ultrafine-grained type. Owing to the low impurity content, fine particles and being available for artificial synthesis and various kinds of surface modifications, the synthetic products can also be used to reduce the amount of the paint with opacity (such as titanium dioxide) and improve the product performance, thereby now it is more suitable to be called as constitution (incremental) pigment. The main varieties of the extender pigment are mostly processed natural minerals such as natural calcium carbonate, barite powder, talc, mica, diatomaceous earth, quartz powder, clay and asbestos, etc. with a small number of synthetic products such as precipitated calcium carbonate, precipitated barium sulfate and synthetic silica; functional pigments is pigments that endow the product with particular function such as temperature-indicating paints make the color of the product change with temperature; anti-fouling paint with capability of poisoning and killing water creatures; luminescent pigment which is lighting in the dark; anti-rust paint for preventing corrosion and pearlescent pigments with pearl luster.

Pigment is widely applied to paint, printing, rubber, plastics, paper, fibers, ceramics and other industries. It can endow the product with decorative, opacity, durability or special features. With advances in technology, a variety of high performance pigments will be further developed.

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Structure:
Chemical Name:
Pigment Yellow 14
CAS:
5468-75-7
MF:
C34H30Cl2N6O4
Structure:
Chemical Name:
Acid Orange 7
CAS:
633-96-5
MF:
C16H11N2NaO4S
Structure:
Chemical Name:
Pigment Yellow 83
CAS:
5567-15-7
MF:
C36H32Cl4N6O8
Structure:
Chemical Name:
Solvent Orange 2
CAS:
2646-17-5
MF:
C17H14N2O
Structure:
Chemical Name:
Solvent Red 43
CAS:
15086-94-9
MF:
C20H8Br4O5
Structure:
Chemical Name:
Pigment Red 53:1
CAS:
5160-02-1
MF:
C34H24BaCl2N4O8S2
Structure:
Chemical Name:
Basic Violet 2
CAS:
3248-91-7
MF:
C22H24ClN3
Structure:
Chemical Name:
Basic Blue 11
CAS:
2185-86-6
MF:
C29H32N3.Cl
Structure:
Chemical Name:
1-AMINO-2-METHYLANTHRAQUINONE
CAS:
82-28-0
MF:
C15H11NO2
Structure:
Chemical Name:
Pigment Red 122
CAS:
980-26-7
MF:
C22H16N2O2
Structure:
Chemical Name:
Solvent Yellow 56
CAS:
2481-94-9
MF:
C16H19N3
Structure:
Chemical Name:
Basic Red 9
CAS:
569-61-9
MF:
C19H17N3.ClH
Structure:
Chemical Name:
Crystal Violet
CAS:
548-62-9
MF:
C25H30ClN3
Structure:
Chemical Name:
DIRECT FAST BROWN M
CAS:
2429-82-5
MF:
C29H19N5Na2O7S
Structure:
Chemical Name:
Pigment Yellow 65
CAS:
6528-34-3
MF:
C18H18N4O6
Structure:
Chemical Name:
Tartrazine
CAS:
1934-21-0
MF:
C16H9N4Na3O9S2
Structure:
Chemical Name:
Acid Brown 14
CAS:
5850-16-8
MF:
C26H16N4Na2O8S2
Structure:
Chemical Name:
Acid Red 87
CAS:
548-26-5
MF:
C20H6Br4Na2O5
Structure:
Chemical Name:
Acid Red 27
CAS:
915-67-3
MF:
C20H11N2Na3O10S3
Structure:
Chemical Name:
Acid Blue 119
CAS:
1324-80-7
MF:
C21H14NNaO6S
Structure:
Chemical Name:
Quinacridone
CAS:
1047-16-1
MF:
C20H12N2O2
Structure:
Chemical Name:
Fuchsin Acid
CAS:
3244-88-0
MF:
C20H17N3Na2O9S3
Structure:
Chemical Name:
Carbon Black
CAS:
1333-86-4
MF:
C
Structure:
Chemical Name:
LIGHT GREEN SF YELLOWISH
CAS:
93942-43-9
MF:
C37H34N2Na2O9S3
Structure:
Chemical Name:
Solvent Yellow 33
CAS:
8003-22-3
MF:
C18H11NO2
Structure:
Chemical Name:
ACID BLUE 113
CAS:
3351-05-1
MF:
C32H21N5Na2O6S2
Structure:
Chemical Name:
Acid Green 50
CAS:
3087-16-9
MF:
C27H25N2NaO7S2
Structure:
Chemical Name:
Acid Green 25
CAS:
4403-90-1
MF:
C28H20N2Na2O8S2
Structure:
Chemical Name:
Pigment Red 49:1
CAS:
1103-38-4
MF:
C40H26BaN4O8S2
Structure:
Chemical Name:
4-Chloro-2-nitroaniline
CAS:
89-63-4
MF:
C6H5ClN2O2
Structure:
Chemical Name:
Disperse Red 11
CAS:
2872-48-2
MF:
C15H12N2O3
Structure:
Chemical Name:
ACID RED 88
CAS:
1658-56-6
MF:
C20H13N2NaO4S
Structure:
Chemical Name:
Pigment Red 4
CAS:
2814-77-9
MF:
C16H10ClN3O3
Structure:
Chemical Name:
Solvent Red 41
CAS:
3248-93-9
MF:
C20H19N3
Structure:
Chemical Name:
Solvent Red 23
CAS:
85-86-9
MF:
C22H16N4O
Structure:
Chemical Name:
ACID RED 151
CAS:
6406-56-0
MF:
C22H15N4NaO4S
Structure:
Chemical Name:
Pigment Orange 13
CAS:
3520-72-7
MF:
C32H24Cl2N8O2
Structure:
Chemical Name:
Pigment Red 48:2
CAS:
7023-61-2
MF:
C18H11CaClN2O6S
Structure:
Chemical Name:
Barium chromate
CAS:
10294-40-3
MF:
BaCrO4
Structure:
Chemical Name:
NEUTRAL RED IODIDE
CAS:
34038-87-4
MF:
C15H17IN4
Structure:
Chemical Name:
ARSENIC (III) SULFIDE
CAS:
1303-33-9
MF:
As2S3
Structure:
Chemical Name:
3-Chloro-2-methylaniline
CAS:
87-60-5
MF:
C7H8ClN
Structure:
Chemical Name:
Pigment Yellow 17
CAS:
4531-49-1
MF:
C34H30Cl2N6O6
Structure:
Chemical Name:
Sulphur Black 1
CAS:
1326-82-5
MF:
C6H4N2O5
Structure:
Chemical Name:
Solvent Red 27
CAS:
1320-06-5
MF:
C26H24N4O
Structure:
Chemical Name:
Pigment Orange 5
CAS:
3468-63-1
MF:
C16H10N4O5
Structure:
Chemical Name:
Solvent Red 1
CAS:
1229-55-6
MF:
C17H14N2O2
Structure:
Chemical Name:
2-Amino-5-chlorobenzotrifluoride
CAS:
445-03-4
MF:
C7H5ClF3N
Structure:
Chemical Name:
Solvent Red 24
CAS:
85-83-6
MF:
C24H20N4O
Structure:
Chemical Name:
Pigment Yellow 3
CAS:
6486-23-3
MF:
C16H12Cl2N4O4
Structure:
Chemical Name:
Pigment Red 122
CAS:
16043-40-6
MF:
C22H16N2O2
Structure:
Chemical Name:
Pigment Blue 29
CAS:
57455-37-5
MF:
Al6Na8O24S3Si6
Structure:
Chemical Name:
Pigment Red 57:1
CAS:
5281-04-9
MF:
C18H12N2Na2O6S
Structure:
Chemical Name:
Pigment Yellow 81
CAS:
22094-93-5
MF:
C36H32Cl4N6O4
Structure:
Chemical Name:
Acid blue 1
CAS:
129-17-9
MF:
C27H31N2NaO6S2
Structure:
Chemical Name:
Acid Orange 10
CAS:
1936-15-8
MF:
C16H10N2Na2O7S2
Structure:
Chemical Name:
(29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32)copper
CAS:
147-14-8
MF:
C32H16CuN8
Structure:
Chemical Name:
RHODAMINE 110
CAS:
13558-31-1
MF:
C20H15ClN2O3
Structure:
Chemical Name:
Pigment Yellow 12
CAS:
5102-83-0
MF:
C32H26Cl2N6O4
Structure:
Chemical Name:
Basic Blue 17
CAS:
92-31-9
MF:
C15H16ClN3S
Structure:
Chemical Name:
TALC
CAS:
13376-74-4
MF:
H2Mg3O12Si4
Structure:
Chemical Name:
ORANGE I
CAS:
523-44-4
MF:
C16H11N2NaO4S
Structure:
Chemical Name:
Solvent Black 3
CAS:
4197-25-5
MF:
C29H24N6
Structure:
Chemical Name:
ETHYL VIOLET
CAS:
2390-59-2
MF:
C31H42ClN3
Structure:
Chemical Name:
Fast Yellow G
CAS:
2512-29-0
MF:
C17H16N4O4
Structure:
Chemical Name:
2-Methyl-5-nitroaniline
CAS:
99-55-8
MF:
C7H8N2O2
Structure:
Chemical Name:
1-(2,4,6-Trichlorophenyl)-3-(5-amino-2-chloroanilino)-5-pyrazolone
CAS:
53411-33-9
MF:
C15H10Cl4N4O
Chemical Name:
Solvent Violet 36
CAS:
61951-89-1
Structure:
Chemical Name:
Disperse Blue 3
CAS:
2475-46-9
MF:
C17H16N2O3
Structure:
Chemical Name:
Basic Orange 14
CAS:
10127-02-3
MF:
C34H40Cl4N6Zn
Structure:
Chemical Name:
2-Methyl-4-nitroaniline
CAS:
99-52-5
MF:
C7H8N2O2
Structure:
Chemical Name:
Pigment Red 176
CAS:
12225-06-8
MF:
C32H24N6O5
Structure:
Chemical Name:
Vat Violet 10
CAS:
128-64-3
MF:
C34H16O2
Structure:
Chemical Name:
Indigo
CAS:
482-89-3
MF:
C16H10N2O2
Structure:
Chemical Name:
CALCIUM CHROMATE
CAS:
13765-19-0
MF:
CaCrO4
Structure:
Chemical Name:
Pigment Red 170
CAS:
2786-76-7
MF:
C26H22N4O4
Structure:
Chemical Name:
Rhodamine B
CAS:
81-88-9
MF:
C28H31ClN2O3
Structure:
Chemical Name:
Permanent Violet RL
CAS:
6358-30-1
MF:
C35H23Cl2N3O2
Structure:
Chemical Name:
Pigment Violet 3
CAS:
1325-82-2
MF:
C24H27N3
Structure:
Chemical Name:
Benzonitrile
CAS:
100-47-0
MF:
C7H5N
Structure:
Chemical Name:
Basic Red 5
CAS:
553-24-2
MF:
C15H17ClN4
Chemical Name:
CI NO 77605
CAS:
12656-85-8
MF:
PbCrO4, PbMoO4, PbSO4
Structure:
Chemical Name:
Basic Red 2
CAS:
477-73-6
MF:
C20H19ClN4
Structure:
Chemical Name:
Acid Red 92
CAS:
18472-87-2
MF:
C20H2Br4Cl4Na2O5
Structure:
Chemical Name:
Acid Green 1
CAS:
19381-50-1
MF:
C30H15FeN3Na3O15S3
Structure:
Chemical Name:
Acid Red 94
CAS:
632-69-9
MF:
C20H2Cl4I4Na2O5
Structure:
Chemical Name:
ACID BLUE 120
CAS:
3529-01-9
MF:
C33H23N5Na2O6S2
Structure:
Chemical Name:
BRILLIANT YELLOW
CAS:
3051-11-4
MF:
C26H18N4Na2O8S2
Structure:
Chemical Name:
Lithopone
CAS:
1345-05-7
MF:
BaO5S2Zn2
Structure:
Chemical Name:
ORANGE G
CAS:
1936-96-5
MF:
C16H10N2Na2O7S2
Structure:
Chemical Name:
2,5-Dichloroaniline
CAS:
95-82-9
MF:
C6H5Cl2N
Structure:
Chemical Name:
Disperse Yellow 54
CAS:
12223-85-7
MF:
C18H11NO3
Structure:
Chemical Name:
Ethyl 3-ethoxy-3-iminopropionate hydrochloride
CAS:
2318-25-4
MF:
C7H14ClNO3
Structure:
Chemical Name:
Solvent Yellow 2
CAS:
60-11-7
MF:
C14H15N3
Structure:
Chemical Name:
Pigment Red 8
CAS:
6410-30-6
MF:
C24H17ClN4O4
Structure:
Chemical Name:
CI 13015
CAS:
2706-28-7
MF:
C12H9N3Na2O6S2
Structure:
Chemical Name:
EOSIN
CAS:
17372-87-1
MF:
C20H6Br4Na2O5
Structure:
Chemical Name:
Sudan I
CAS:
842-07-9
MF:
C16H12N2O
Structure:
Chemical Name:
Disperse Yellow 3
CAS:
2832-40-8
MF:
C15H15N3O2
Structure:
Chemical Name:
Pigment Red 2
CAS:
6041-94-7
MF:
C23H15Cl2N3O2