Lead sulfochromate yellow
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Surname | Lead sulfochromate yellow | |||||||||||||||
other names |
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Molecular formula | Pb (Cr, S) O 4 | |||||||||||||||
Brief description |
yellow, odorless powder |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | Cannot be specified, mixture of substances | |||||||||||||||
Physical state |
firmly |
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density |
5–6 g · cm −3 |
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solubility |
practically insoluble in water |
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safety instructions | ||||||||||||||||
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Authorization procedure under REACH |
of particular concern : carcinogenic, toxic for reproduction ( CMR ); subject to approval |
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Lead sulfochromate yellow is a mixture of lead (II) chromate (PbCrO 4 ) and lead (II) sulfate (PbSO 4 ). The proportion of lead chromate is around 61–76%, that of lead sulfate around 20–38%. Lead sulfochromate yellow is listed in the Color Index under CI Pigment Yellow 34: 1 and is also referred to as Chrome Yellow Light.
safety
Lead sulfochromate yellow is considered carcinogenic and toxic to reproduction and is therefore no longer used in Europe.
Individual evidence
- ↑ a b c d e f Entry on lead sulfochromate yellow in the GESTIS substance database of the IFA , accessed on July 23, 2016(JavaScript required) .
- ↑ Entry on Lead sulfochromate yellow in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ Entry in the SVHC list of the European Chemicals Agency , accessed on July 16, 2014.
- ↑ Entry in the register of substances subject to authorization of the European Chemicals Agency , accessed on July 16, 2014.
- ↑ ECHA: Lead sulfochromate yellow (CI Pigment Yellow 34) data sheet (PDF; 141 kB)