ChemicalBook--->CAS DataBase List--->483-84-1

483-84-1

483-84-1 Structure

483-84-1 Structure
IdentificationMore
[Name]

FLAVIANIC ACID
[CAS]

483-84-1
[Synonyms]

2,4-DINITRO-1-NAPHTHOL-7-SULFONIC ACID
8-HYDROXY-5,7-DINITRO-2-NAPHTHALENESULFONIC ACID
8-HYDROXY-5,7-DINITRO-NAPHTHALENE-2-SULFONIC ACID
FLAVIANIC ACID
LABOTEST-BB LT00452838
2,4-Dinitronaphtholsulfonic acid
2,4-dinitronaphtholsulfonicacid
2-Naphthalenesulfonic acid, 5,7-dinitro-8-hydroxy-
2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-
5,7-dinitro-8-hydroxy-2-naphthalenesulfonicaci
8-hydroxy-5,7-dinitro-2-naphthalenesulfonicaci
DNNS
2,4-Dinitro-1-Napthol-7-Sulfonic Acid
8-hydroxy-5,7-dinitronaphthalene-2-sulphonic acid
Flavianic acid dihydrate
FLAVIANIC ACID FREE ACID
2,4-DINITRO-1-NAPHTHOL-7-SULPHONICACID
2,4-DINITRO-1-NAPHTHO-7-SULPHONICACID
2,4-DINITRO-1-NAPHTHO-7-SULFONICACID
1-Hydroxy-2,4-dinitro-7-naphthalenesulfonic acid
[EINECS(EC#)]

207-600-3
[Molecular Formula]

C10H6N2O8S
[MDL Number]

MFCD00046407
[Molecular Weight]

314.23
[MOL File]

483-84-1.mol
Chemical PropertiesBack Directory
[Melting point ]

148-151 °C(lit.)
[density ]

1.7763 (rough estimate)
[refractive index ]

1.7450 (estimate)
[storage temp. ]

2-8°C
[solubility ]

DMSO (Slightly), Methanol (Slightly)
[form ]

powder to crystal
[pka]

-0.38±0.40(Predicted)
[color ]

Light yellow to Yellow
[CAS DataBase Reference]

483-84-1(CAS DataBase Reference)
[EPA Substance Registry System]

2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro- (483-84-1)
Safety DataBack Directory
[Hazard Codes ]

C
[Risk Statements ]

R34:Causes burns.
R40:Limited evidence of a carcinogenic effect.
[Safety Statements ]

S22:Do not breathe dust .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
[RIDADR ]

UN 1759 8/PG 3
[WGK Germany ]

3
[RTECS ]

QK1810000
[TSCA ]

TSCA listed
[HS Code ]

2908.99.9000
[HazardClass ]

8
[PackingGroup ]

III
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Nitric acid-->FUMING SULFURIC ACID-->1-Naphthol
Hazard InformationBack Directory
[Uses]

FLAVIANIC ACID is used as an intermediate in organic synthesis, a precipitant for organic bases, and a reagent for amino acids. This product can react with more than 50 metal ions, but in acidic solutions it only precipitates with zirconium and lead, making it highly selective and sensitive for the determination of zirconium.
[Definition]

ChEBI: A naphthalenesulfonic acid that is naphthalene-2-sulfonic acid substituted by nitro groups at positions 5 and 7 as well as a hydroxy group at position 8. The disodium salt is the biological stain 'naphthol yellow S'.
Spectrum DetailBack Directory
[Spectrum Detail]

FLAVIANIC ACID(483-84-1)IR1
FLAVIANIC ACID(483-84-1)IR2
FLAVIANIC ACID(483-84-1)IR3
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

483-84-1(sigmaaldrich)
[TCI AMERICA]

Flavianic Acid  Dihydrate(483-84-1)
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