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CAS No.: | 88-22-2 |
---|---|
Name: | 2,4-Dimethylaniline-6-sulfonic acid |
Molecular Structure: | |
Formula: | C8H11NO3S |
Molecular Weight: | 201.246 |
Synonyms: | 3,5-Xylenesulfonicacid, 2-amino- (6CI,8CI);1-Amino-2,4-dimethylbenzene-6-sulfonic acid;2-Amino-3,5-dimethylbenzenesulfonic acid;2-Amino-3,5-xylenesulfonic acid;4,6-Dimethylaniline-2-sulfonic acid;C.I. 24855;NSC 7548; |
EINECS: | 201-811-4 |
Density: | 1.368 g/cm3 |
Melting Point: | 146-149°C(lit.) |
Solubility: | 3.049g/L at 25℃ |
Appearance: | white to yellowish powder |
Hazard Symbols: | Xn |
Risk Codes: | 36/37/38 |
Safety: | 26-36/37/39 |
PSA: | 88.77000 |
LogP: | 2.79430 |
A
2-amino-3,5-dimethylbenzenesulfonic acid
B
2,4-dimethyl-phenyl-amidosulfuric acid
Conditions | Yield |
---|---|
at 120℃; for 8h; | A n/a B 93% C n/a |
at 160℃; for 8h; | A 74% B n/a C n/a |
2-amino-3,5-dimethylbenzenesulfonic acid
Conditions | Yield |
---|---|
at 180℃; under 60 Torr; for 0.833333h; Decomposition; | 57.8% |
at 210 - 250℃; Kinetics; Decomposition; |
2,4-dimethyl-phenyl-amidosulfuric acid
2-amino-3,5-dimethylbenzenesulfonic acid
Conditions | Yield |
---|---|
at 200 - 210℃; zuletzt bei 220-230grad; |
2,4-dimethyl-aniline; sulfate
2-amino-3,5-dimethylbenzenesulfonic acid
Conditions | Yield |
---|---|
at 210 - 230℃; unter vermindertem Druck; |
Conditions | Yield |
---|---|
at 210 - 222℃; bei gewoenlichem Druck; | |
With sulfuric acid at 185 - 195℃; | |
With sulfuric acid at 210 - 230℃; im Vakuum; | |
With chlorosulfonic acid; 1,1,2,2-tetrachloroethane | |
(i) aq. H2SO4, (ii) (heating); Multistep reaction; |
2,4-Xylidine
A
2-amino-3,5-dimethylbenzenesulfonic acid
B
2,4-dimethylaniline-5-sulfonic acid
Conditions | Yield |
---|---|
With chlorosulfonic acid |
Conditions | Yield |
---|---|
at 185 - 190℃; |
chlorosulfonic acid
2,4-Xylidine
A
2-amino-3,5-dimethylbenzenesulfonic acid
B
2,4-dimethylaniline-5-sulfonic acid
2-amino-3,5-dimethylbenzenesulfonic acid
Conditions | Yield |
---|---|
at 160℃; man erhitzt dann auf 220grad; |
2-amino-3,5-dimethylbenzenesulfonic acid
Conditions | Yield |
---|---|
at 180 - 200℃; im Vakuum; |
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