2-Naphthalenol, sulfurized, leuco deriv.
2-Naphthalenol, sulfurized, leuco deriv. ??
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2-Naphthalenol, sulfurized, leuco deriv. C??? ??, ??, ??
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Naphthalen-2-ol sodium salt and sodium polysulfide in 270 ~ 280 ℃ calcination, product used for synthesis of soluble dyes (BIOS 1155, 13).
Properties and Applications
brown to dark brown.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Moderate
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Severe
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ISO
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4-5
|
4
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6
|
|
|
4
|
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2-Naphthalenol, sulfurized, leuco deriv. ?? ?? ? ???
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2-Naphthalenol, sulfurized, leuco deriv. ?? ??
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2-Naphthalenol, sulfurized, leuco deriv. ?? ??:
