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Middle Chrome Anuchrome M-11 is a monoclinic lead chromate material.
Middle Chrome Anuchrome M-11 is the high purity in shade and clean full tone.
This pigment is stabilized and it offers good resistance to light and weather.
CAS: 1344-37-2
MF: PbCrO4+PbSO4
MW: 576.07
EINECS: 215-693-7
Synonyms
Pigment yellow 34 (C.I. 77603;Lead sulfochromate yellow C.I. Pigment Yellow 34 [This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77603.];lead sulfochromate;C. I. Pigment Yellow 34 (77600);Lead sulfochromate yellow;Blue15-4;KROLORYELLOW;LEADSULPHOCHROMATE
Also has good dispersion characteristics.
Middle Chrome Anuchrome M-11 is strongly recommended for liquid inks.
Exhibits good acid resistance and poor alkali resistance.
Recommended for paper coating and road marking paints.
Middle Chrome Anuchrome M-11 is a chromium coordination entity comprising chromate and lead(2+) ions in a 1:1 ratio Middle Chrome Anuchrome M-11 has a role as a carcinogenic agent, a neurotoxin and a nephrotoxin.
Middle Chrome Anuchrome M-11 is a lead coordination entity and a chromium coordination entity.
Middle Chrome Anuchrome M-11 contains a lead(2+) and a chromate(2-).
Middle Chrome Anuchrome M-11, with the CAS number 1344-37-2, is an inorganic pigment primarily composed of lead chromate.
Middle Chrome Anuchrome M-11 is known for its bright yellow color and excellent opacity, making it widely used in various applications, including paints, coatings, plastics, and inks.
Middle Chrome Anuchrome M-11 exhibits good lightfastness and weather resistance, which contributes to its durability in outdoor applications.
However, due to the presence of lead, Middle Chrome Anuchrome M-11 poses health and environmental concerns, leading to regulatory restrictions in many regions.
Middle Chrome Anuchrome M-11t is typically characterized by its high tinting strength and stability under heat, making it suitable for high-performance applications.
Additionally, Middle Chrome Anuchrome M-11 is important to handle Pigment Yellow 34 with care, following safety guidelines to minimize exposure risks.
Overall, while Middle Chrome Anuchrome M-11 offers desirable properties for coloration, the associated toxicity of lead compounds necessitates careful consideration in its use and disposal.
Middle Chrome Anuchrome M-11 Chemical Properties
Density: 6[at 20℃]
Water Solubility: 36.8μg/L at 20℃
Solubility Product Constant (Ksp): pKsp: 12.55
CAS DataBase Reference: 1344-37-2(CAS DataBase Reference)
EPA Substance Registry System: Middle Chrome Anuchrome M-11 (1344-37-2)
Bright yellow monoclinic crystalline system.
Density 6.12g/cm3, melting point 844℃.
Insoluble in water, oil and acetic acid, soluble in strong alkali and inorganic strong acid.
Middle Chrome Anuchrome M-11 turns black when it meets hydrogen sulfide and orange-red when it meets alkali.
Strong coloring power and covering power.
Cannot be shared with Lidl and Ultramarine.
Toxic.
The color varies with the ratio of raw materials and preparation conditions, and there are five kinds of orange chrome yellow, deep chrome yellow, medium chrome yellow, light chrome yellow and lemon yellow.
Lemon Chrome Yellow [3PbCrO4-2PbSO4+Al(OH)3+AlPO4].
The content of lead chromate is not less than 50%, the color is bright, with green phase, the gloss of the paint is good, and the blue pigment can be matched into bright emerald green, the color is equivalent to 10G.
The light resistance reaches 4~5 grade.
Heat resistance is 140℃.
Water permeability and oil permeability are grade 1.
Acid resistance and alkali resistance are grade 3.
Light chrome yellow (5PbCrO4-2PSO4+Al(OH)3+AlPO4].
The content of lead chromate is not less than 60%, with bright color, strong coloring power, good gloss of paint, and can be matched with blue pigment to form light green.
The content of lead chromate is higher than lemon chrome yellow.
The color is equivalent to 4G, and the light resistance is up to grade 5.
Heat resistance is 140℃.
Water permeability and oil permeability are grade 1.
Acid resistance and alkali resistance are grade 3.
Medium chrome yellow (PbCrO4+PbSO4).
Pure color, good gloss of paint, can be matched with blue pigment to form medium green.
The content of lead chromate is the highest, above 90%.
The color is equivalent to G. The light resistance is 4~5 grade.
Heat resistance is 140℃.
Water permeability and oil permeability are grade 1.
Acid resistance, alkali resistance is grade 3.
Deep chrome yellow (PbCrO4+PbCrO4-PbO).
Lead chromate 85%, with reddish tint, strong coloring power, color equivalent to GR.
Light resistance is grade 5. Heat resistance is 140℃.
Water permeability and oil permeability are grade 3.
Orange chrome yellow (PbCrO4-PbO).
Middle Chrome Anuchrome M-11 is alkaline lead chromate with PbCrO4 content not less than 55% and orange color.
The light resistance is good, up to 5~grade.
Heat resistance is 150℃.
Water permeability and oil permeability are grade 1.
Acid resistance, alkali resistance is 3 levels.
Uses
Middle Chrome Anuchrome M-11 is a pigment used in camouflage oriented combinations as well as car paints and textiles.
Mainly used for plastics and coatings, coloring of paints, and also for coloring of synthetic fibers.
The main function is coloring with a small density of about 5.0-6.1g/cm3, insoluble in water and oil.
inorganic yellow pigment.
Middle Chrome Anuchrome M-11 has excellent light resistance, heat resistance, water resistance, solvent resistance, acid and alkali resistance.
Can be used for a variety of thermoplastic and thermosetting plastic coloring.
Middle Chrome Anuchrome M-11 can also be used in the manufacture of coatings and inks.
The cultural and educational products industry is used for the manufacture of watercolors and oil-color paints.
The paper industry is used for the coloring of paper.
The rubber industry is used for the coloring of rubber.
