C10H10Na2O10S2
400.3 g/mol
Dye & PigmentWarning
Chromotropic acid disodium salt dihydrate
CAS5808-22-0EC611-619-6
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
dye and pigment intermediate
Chromotropic acid disodium salt dihydrate is a sulfonated naphthalene dye and pigment intermediate. It serves as a key building block in the synthesis of azo dyes and related colorants.
dye and pigment intermediatereagent in analytical chemistry
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, disodium salt
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Mordant dye and analytical reagent
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dye and pigment intermediate
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dye and pigment intermediate
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Fluorescein dichloride
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dye and pigment intermediate
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2,6-Dibromoanthraquinone
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dye and pigment intermediate
ReferenceSame Category
2-(4-(diethylamino)-2-hydroxybenzoyl)benzoic acid
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Intermediate for thermal and pressure sensitive dyes
ReferenceSame Category
Optical Dye DCY02
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Optical dye
ReferenceSame Category
2,7-naphthalenediol
CAS582-17-2
Oxidative hair dye component
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name
disodium;4,5-dihydroxynaphthalene-2,7-disulfonate;dihydrate
InChIKey
QUEAKWJKJBFNEG-UHFFFAOYSA-L
SMILES
C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])O)O)S(=O)(=O)[O-].O.O.[Na+].[Na+]
Synonyms (12)
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