1,2-Naphthoquinone-2-diazide-4-sulfonic acid
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1,2-Naphthoquinone-2-diazide-4-sulfonic acid
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CAS No:
20680-48-2
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Formula:
C10H6N2O4S
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Chemical Name:
1,2-Naphthoquinone-2-diazide-4-sulfonic acid
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Synonyms:
1-Naphthalenesulfonic acid,3-diazo-3,4-dihydro-4-oxo-;3-Diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonic acid;1,2-Naphthoquinone-2-diazide-4-sulfonic acid;2-Diazo-1-naphthalenone-4-sulfonic acid;TKF 428;17688-77-6;112284-43-2;189105-24-6;1911555-85-5
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CAS No:
Safety Information
UN 3226 4.1
3
11-36/37/38
16-26-36/37
F,Xi
P210, P220, P234, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P411, P420, P501
H242
1,2-Naphthoquinone-2-diazide-4-sulfonic acid Use and Manufacturing
It is derived from 1-amino-2-naphthol-4-sulfonic acid (1, 2, 4-acid) by diazotization. Raw material consumption quota: 1, 2, 4-acid (40%) 1052kg/t, sodium nitrite (98%) 320kg/t, copper sulfate (96%) 11kg/t, sulfuric acid (98%) 1018kg/t, caustic soda (40%) 31kg/t.
Dye intermediate. Used in the synthesis of acid mordant dyes, azo dyes, nitro 1,2,4-acid diazonium oxide, etc.
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1,2-Naphthoquinone-2-diazide-4-sulfonic acid
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