4-Diazo-3,4-dihydro-7-nitro-3-oxo-1-naphthalenesulfonic acid
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4-Diazo-3,4-dihydro-7-nitro-3-oxo-1-naphthalenesulfonic acid
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CAS No:
63589-25-3
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Formula:
C10H5N3O6S
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Chemical Name:
4-Diazo-3,4-dihydro-7-nitro-3-oxo-1-naphthalenesulfonic acid
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Synonyms:
1-Naphthalenesulfonic acid,4-diazo-3,4-dihydro-7-nitro-3-oxo-;1-Naphthalenediazonium,2-hydroxy-6-nitro-4-sulfo-,hydroxide,inner salt;4-Diazo-3,4-dihydro-7-nitro-3-oxo-1-naphthalenesulfonic acid;1-Diazo-2-oxo-6-nitronaphthalene-4-sulfonic acid;6-Nitro-1,2-diazooxonaphthalene-4-sulfonic acid;1-Diazo-2-hydroxy-6-nitro-4-naphthalenesulfonic acid;6-Nitro-4-sulfo-2,1-naphthoquinone diazide;101667-26-9;117255-15-9;123216-22-8;5366-84-7;65180-76-9;92815-48-0;155668-12-5;172683-35-1
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CAS No:
4-Diazo-3,4-dihydro-7-nitro-3-oxo-1-naphthalenesulfonic acid Basic Attributes
295.23
294.989899
264-347-1
Safety Information
R36/37/38:Irritating to eyes, respiratory system and skin .
26-36
Xi
P210, P220, P234, P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P370+P378, P403+P235, P405, P411, P420, P501
H242
|Danger|H242 (93.18%): Heating may cause a fire [Danger Self-reactive substances and mixtures; Organic peroxides]|P210, P220, P234, P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P370+P378, P403+P235, P405, P411, P420, and P501|Aggregated GHS information provided by 48 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
4-Diazo-3,4-dihydro-7-nitro-3-oxo-1-naphthalenesulfonic acid Use and Manufacturing
Dissolve 1, 2, 4-acid diazonium oxide in fuming sulfuric acid, cool to 10°C, add mixed acid within 7h at 10-15°C, and keep stirring for 13h. The nitrate is poured into ice water, diluted at less than 20°C, cooled to 5°C and filtered to obtain a yellow to yellow-brown paste industrial product containing 6-nitronaphthalene-1, 2-diazooxy-4-sulfonic acid above 50. Raw material consumption quota: 953kg/t of 1, 2, 4-acid diazonium oxide, 769kg/t of fuming sulfuric acid, and 300kg/t of nitric acid.
Dye intermediate. It is used to produce acidic medium black T and acidic medium black A.
Computed Properties
Molecular Weight:295.23
XLogP3:2.5
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:7
Exact Mass:294.98990606
Monoisotopic Mass:294.98990606
Topological Polar Surface Area:160
Heavy Atom Count:20
Complexity:530
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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4-Diazo-3,4-dihydro-7-nitro-3-oxo-1-naphthalenesulfonic acid
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