Product Content |
Phenothiazine
|
Quality standard:Q/320211NCM02-2002
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|
Index name
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Value
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Index name
|
Value
|
|
Appearance
|
white crystal
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Melting point
|
54--56.5°C |
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Hydroquinone
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≤0.05 %
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Heavy metal (pb)
|
≤0.001% |
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Residue on ignition
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≤0.01 %
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Chroma (APHA)
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≤10 # |
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Loss on dry
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≤0.3 %
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Hydroquinone dimethyl ether
|
no permitted |
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Assay
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≥99.5 %
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|
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Packing: :42kg / drum (40*58cm)
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