1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt
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1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt
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CAS No:
887-76-3
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Formula:
C10H6N2O4S
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Chemical Name:
1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt
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Synonyms:
1-Naphthalenediazonium,2-hydroxy-4-sulfo-,inner salt;1-Naphthalenediazonium,2-hydroxy-4-sulfo-,hydroxide,inner salt;2-Hydroxy-4-sulfo-1-naphthalenediazonium hydroxide,inner salt;NSC 163345
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CAS No:
1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt Basic Attributes
252.25
252.020477
212-958-9
2927000090
Characteristics
120.37000
-0.58
brown powder
1.5366 (rough estimate)
160 °C (dec.)(lit.)
160 C
Micro-soluble in water, soluble in alkali.
H2O: 15.8 g/L (20 ºC)
Flammables area
Safety Information
III
4.1
UN 2925 4.1/PG 2
3
5-11-34
16-26-36/37/39-45-48
F,C
Stable under normal temperatures and pressures. Combines vigorously or explosively with water.
P210-P280-P305 + P351 + P338-P310
H228-H314
1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt Use and Manufacturing
Dissolve 1-amino-2-naphthol-4-sulfonic acid (1, 2, 4-acid) with caustic soda, then acidify into suspension with acid, diazotize with sodium nitrite, and add a small amount of copper sulfate solution to catalyze , Diazonium oxides are precipitated in the state of free acid or sodium salt from the solution, filtered and acidified with sulfuric acid to obtain the finished product.
Dyestuff intermediates, used in the synthesis of acid mordant dyes, azo dyes, dichromium dyes and nitrodiazo oxides.
Computed Properties
Molecular Weight:250.23
XLogP3:2.9
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:1
Exact Mass:250.00482785
Monoisotopic Mass:250.00482785
Topological Polar Surface Area:114
Heavy Atom Count:17
Complexity:435
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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