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ChemicalBook--->CAS DataBase List--->98-44-2

98-44-2

98-44-2 Structure

98-44-2 Structure
IdentificationMore
[Name]

2-Amino-1,4-benzenedisulfonic acid
[CAS]

98-44-2
[Synonyms]

1-amino-2,5-benzenedisulfonic acid
2,5-DISULFOANILINE
2-AMINO-1,4-BENZENEDISULFONIC ACID
2-AMINO-1,4-DISULFOBENZENE
2-AMINO-P-BENZENEDISULFONIC ACID
4-SULFOMETANILIC ACID
ANILINE 2:5 DISULFONIC ACID
ANILINE-2,5-DISULFONIC ACID
ANILINE-2,5-DISULPHONIC ACID
1-anilino-2,5-disulfonicacid
2,5-disulfo-1-aminobenzene
2-amino-1,4-benzenedisulfonic
2-amino-4-benzenedisulfonicacid
2-amino-benzene-1,4-disulfonicacid
2-Amino-p-benzenedislfonicacid
2-amino-p-benzenedisulfonicaci
4-Benzenedisulfonicacid,2-amino-1
kyselinaanilin-2,5-disulfonova
2-aminobenzene-1,4-disulphonic acid
Aniline-2,5-disulfonicacid,95%
[EINECS(EC#)]

202-669-6
[Molecular Formula]

C6H7NO6S2
[MDL Number]

MFCD00035753
[Molecular Weight]

253.25
[MOL File]

98-44-2.mol
Chemical PropertiesBack Directory
[Appearance]

off-white powder
[Melting point ]

>300°C
[density ]

1.569 (estimate)
[refractive index ]

1.5500 (estimate)
[storage temp. ]

Keep in dark place,Inert atmosphere,Room temperature
[pka]

-1.15±0.50(Predicted)
[Water Solubility ]

Slightly soluble in water.
[CAS DataBase Reference]

98-44-2(CAS DataBase Reference)
[EPA Substance Registry System]

98-44-2(EPA Substance)
Safety DataBack Directory
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

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 .
[RTECS ]

CZ9250000
[TSCA ]

Yes
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Sodium chloride-->FUMING SULFURIC ACID-->Metanilic acid-->Nicotinic acid
[Preparation Products]

Reactive Blue 14-->Reactive Orange 1-->Reactive blue 40-->1,4-Benzenedisulfonic acid, 2-[[4-[[4-[(2,4-diamino-5-nitrophenyl)azo]-6-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-, trisodium salt-->tetrasodium 2-[[4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-7-sulphonato-1-naphthyl]azo]-1-naphthyl]azo]benzene-1,4-disulphonate-->pentasodium 3-[[4-[[4-[[4-chloro-6-[(3-sulphonatophenyl)amino]-1,3,5-triazin-2-yl]amino]-2,5-dimethylphenyl]azo]-2,5-disulphonatophenyl]azo]-4-hydroxy-5-(phenylamino)naphthalene-2,7-disulphonate-->Direct Blue 82-->DIRECT BLUE 78-->Reactive Orange 20-->Direct blue 83 (C.I. 34230)-->Benzoic acid, 5-[[4'-[[8-amino-7-[(2,5-disulfophenyl)azo]-1-hydroxy-5-sulfo-2-naphthalenyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, tetrasodium salt-->Reactive Blue 255-->C.I. Reactive orange 35-->Reactive Black 39-->REACTIVE BLUE 109-->Reactive Orange 113-->C.I. Reactive brown 44-->Reactive brown 45
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Aniline-2,5-disulfonic acid(98-44-2).msds
Hazard InformationBack Directory
[Chemical Properties]

off-white powder
[Uses]

Aniline-2,5-disulfonic acid is used as pharmaceutical intermediate.
[Uses]

Intermediate.
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Aniline-2,5-disulfonic acid, 95%(98-44-2)
[Sigma Aldrich]

98-44-2(sigmaaldrich)
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