2-Amino-1,4-benzenedisulfonic acid
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2-Amino-1,4-benzenedisulfonic acid
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CAS No:
98-44-2
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Formula:
C6H7NO6S2
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Chemical Name:
2-Amino-1,4-benzenedisulfonic acid
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Synonyms:
1,4-Benzenedisulfonic acid,2-amino-;p-Benzenedisulfonic acid,2-amino-;2-Amino-1,4-benzenedisulfonic acid;2-Amino-p-benzenedisulfonic acid;2-Amino-1,4-disulfobenzene;Aniline-2,5-disulfonic acid;2,5-Disulfo-1-aminobenzene;2,5-Disulfoaniline;4-Sulfometanilic acid;1-Anilino-2,5-disulfonic acid;1-Amino-2,5-benzenedisulfonic acid;6-Aminobenzene-1,4-disulfonic acid;NSC 5580
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CAS No:
2-Amino-1,4-benzenedisulfonic acid Basic Attributes
253.25
253.25
202-669-6
5E2OT6T2PS
5580
DTXSID8044751
2921499090
Characteristics
152
-1.03
DryPowder
1.8±0.1 g/cm3
198-199 °C @ Solvent: Ethanol
500ºC
1.667
Slightly soluble in water.
Store in a cool, dry place. Store in a tightly closed container.
Flammable; burning produces toxic nitrogen oxides and sulfur oxide fumes
Safety Information
36/37/38-43
26-36/37/39-36/37
CZ9250000
Warehouse ventilated, low temperature and dry
P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362
H315
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 86 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2-Amino-1,4-benzenedisulfonic acid Use and Manufacturing
The m-aminobenzene sulfonic acid is sulfonated with fuming sulfuric acid and then cooled, diluted with water, heated and added with activated carbon, stirred at 95°C for decolorization, filtered, and obtained by adding salt to the filtrate. Raw material consumption quota: m-aminobenzene sulfonic acid (industrial product) 715kg/t, oleum (SO320%) 2810kg/t, refined salt (industrial product) 1273kg/t, activated carbon 22kg/t.
Used as a dye intermediate, mainly used in the manufacture of direct light blue RGL, activated emerald blue KGL, activated bright yellow and activated orange, etc.
Dyes
All other basic organic chemical manufacturing|1,4-Benzenedisulfonic acid, 2-amino-: ACTIVE
Computed Properties
Molecular Weight:253.3
XLogP3:-0.2
Hydrogen Bond Donor Count:3
Hydrogen Bond Acceptor Count:7
Rotatable Bond Count:2
Exact Mass:252.97147929
Monoisotopic Mass:252.97147929
Topological Polar Surface Area:152
Heavy Atom Count:15
Complexity:416
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2-Amino-1,4-benzenedisulfonic acid
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