| Identification | More | [Name]
4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid | [CAS]
22346-43-6 | [Synonyms]
4-HYDROXY-7-METHYLAMINO-2-NAPHTHALENESULFONIC ACID
4 HYDROXY 7 METHYL AMINO NAPHTHALENE 2 SULFONIC ACID
6-[N-METHYLAMINO]-1-NAPHTHOL-3-SULFONIC ACID
N-METHYL J ACID
4-hydroxy-7-(methylamino)naphthalene-2-sulphonic acid
7-Amino-4-hydroxy-N-methyl-2-naphthalenesulfonic acid
2-(N-Methylamino)-5-naphthol-7-sulfonic acid
5-Hydroxy-2-methylamino-7-naphthalenesulfonic acid | [EINECS(EC#)]
244-924-4 | [Molecular Formula]
C11H11NO4S | [MDL Number]
MFCD00128846 | [Molecular Weight]
253.27 | [MOL File]
22346-43-6.mol |
| Chemical Properties | Back Directory | [density ]
1.542 | [refractive index ]
1.4790 (estimate) | [storage temp. ]
2-8°C | [form ]
crystalline powder | [pka]
-0.14±0.40(Predicted) | [color ]
Very dark brown | [InChI]
InChI=1S/C11H11NO4S/c1-12-8-2-3-10-7(4-8)5-9(6-11(10)13)17(14,15)16/h2-6,12-13H,1H3,(H,14,15,16) | [InChIKey]
ZCNCWYFISJTFHB-UHFFFAOYSA-N | [SMILES]
C1=C2C(C=CC(NC)=C2)=C(O)C=C1S(O)(=O)=O | [CAS DataBase Reference]
22346-43-6(CAS DataBase Reference) | [EPA Substance Registry System]
22346-43-6(EPA Substance) |
| Hazard Information | Back Directory | [Chemical Properties]
4-Hydroxy-7-methylaminonaphthalene-2- sulfonic acid [22346-43-6], N-methyl J acid, is produced by reaction of 2,5-dihydroxynaphthalene-7-sulfonic acid with methylamine and aqueous sodium bisulfite at 96 C for 36 h (yield 83 %). It is used to produce C.I. Reactive Orange 4, C.I. Reactive Orange 13, and C.I. Reactive Red 33. |
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