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Name |
4'-Aminoazobenzene-4-sulphonic acid |
EINECS | 203-187-9 |
CAS No. | 104-23-4 | Density | 1.43 g/cm3 |
PSA | 116.32000 | LogP | 4.25030 |
Solubility | 513-1320mg/L at 37℃ | Melting Point |
125-131°C |
Formula | C12H11N3O3S | Boiling Point | 477.42℃[at 101 325 Pa] |
Molecular Weight | 277.304 | Flash Point | N/A |
Transport Information | N/A | Appearance | N/A |
Safety | Risk Codes | N/A | |
Molecular Structure | Hazard Symbols | Xi | |
Synonyms |
Benzenesulfonicacid, 4-[(4-aminophenyl)azo]- (9CI);Benzenesulfonic acid,p-(p-aminophenylazo)- (6CI);C.I. Food Yellow 6 (8CI);4-(4-Aminophenylazo)benzenesulfonic acid;4-(4-Sulfophenylazo)aniline;4-(4'-Sulfophenylazo)aniline;4-Amino-1,1'-azobenzene-4'-sulfonic acid;4-Amino-4'-sulfoazobenzene;4-Aminoazobenzene-4'-sulfonic acid;4'-Sulfo-4-aminoazobenzene;NSC 4704;p-[(p-Aminophenyl)azo]benzenesulfonic acid; |
Article Data | 21 |
sodium anilinomethanesulfonate
p-sulfobenzenediazonium chloride
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: sodium anilinomethanesulfonate; p-sulfobenzenediazonium chloride With sodium acetate In water Stage #2: With sodium hydroxide In water Reflux; | 70% |
phenyl toluenesulfonamide
4-diazobenzenesulfonic acid
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
und Verseifen des Reaktionsprodukts mit konz.Schwefelsaeure bei 40grad; |
4-(4-nitro-phenylazo)-benzenesulfonic acid
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
With ammonium hydrosulphide; ethanol |
4-[4-(2,4,6-trinitro-anilino)-phenylazo]-benzenesulfonic acid
A
2,4,6-Trinitrophenol
B
4'-aminoazobenzene-4-sulfonic acid
4-phenylazoaniline hydrochloride
A
4-aminoazobenzene-3,4'-disulfonic acid
B
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid at 90 - 100℃; | |
With sulfuric acid at 90 - 100℃; |
Conditions | Yield |
---|---|
With water man laesst 24 Stdn.stehen, filtriert ab und entzieht dem Nied. durch kal. Aether beigemengtes Diazoaminobenzol; die ungeloeste 4'-Amino-azobenzol-sulfonsaeure-(4) bindet man an Ammoniak und reinigt das Salz durch Umkrystallis.; |
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide at 30 - 35℃; | |
With sulfuric acid; sulfur trioxide at 30 - 35℃; |
sulfuric acid
aniline yellow
A
4-aminoazobenzene-3,4'-disulfonic acid
B
4'-aminoazobenzene-4-sulfonic acid
Conditions | Yield |
---|---|
at 30 - 35℃; | |
at 30 - 35℃; |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide at 30 - 35℃; |
1. | otr-ham:kdy 25 mg/L | BJCAAI British Journal of Cancer. 38 (1978),34. |