Product description:
Acid brown A also named C.I.Acid Brown 440, it is brown powder. It is mainly used for leather color.
Product parameter:
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CAS No.
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93376-15-9
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C.I. No.
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34908
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Strength
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200%
|
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Molecular formula
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C34H25N8NaO14S3
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Molecular Weight
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930.73
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Appearance
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Brown Powder
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Shade
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Brown
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Application
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Mainly used for leather color
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Solubility
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Soluble in water
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Manufacturing Methods
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5-Amino-2-(phenylamino)benzenesulfonic acid, 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, 4-Nitrobenzenamine respectively
diazotization and Coupled with resorcinol |
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Boiling point
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379.8℃
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Melting Point
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286℃
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Moisture (%)
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12%
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PSA
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380.95000
|
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LogP
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12.43330
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HS Code
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3204120000
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Storage condition
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Store at room temperature
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Packaging
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25kg/drum
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MOQ
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25kgs
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Shipping method
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DHL, UPS, FedEx, Sea, Air
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Product Pictures:
Catalog:
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