Property of basic green (malachite green): Green crystal powder with a metallic lustre, very soluble in water, extremely soluble in ethanol, solutions are blue-green; basic green dyes become yellow in high concentration sulphuric acid, becomes dark orange when diluted; basic green becomes orange in high concentration nitric acid, becomes brownish orange when diluted.
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Item
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Description
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Name
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Basic Green 4
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Color Index No.
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C.I.Basic Green 4 (42000)
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Chemical Family
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Basic dyes
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Apearance
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Green crystal with lustre
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Shade
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similar to standard
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Tinting strength
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100+/-3
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Moisture
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1.5% max.
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Insoluble matter
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0.05% max.
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