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CAS No.: | 96-77-5 |
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Name: | PHENOLDISULFONIC ACID |
Article Data: | 21 |
Molecular Structure: | |
Formula: | C6H6 O7 S2 |
Molecular Weight: | 254.241 |
Synonyms: | Phenoldisulfonicacid (6CI);m-Benzenedisulfonic acid, 4-hydroxy- (7CI,8CI);1-Hydroxy-2,4-disulfobenzene;4-Hydroxy-1,3-benzenedisulfonic acid;4-Hydroxy-m-benzenedisulfonic acid;NSC 227947;NSC 9798;Phenol-2,4-disulfonicacid;4-hydroxybenzene-1,3-disulfonic acid; |
EINECS: | 202-533-6 |
Density: | 1.905g/cm3 |
Melting Point: | >99.85°C |
Boiling Point: | °Cat760mmHg |
Flash Point: | °C |
Solubility: | Reacts with water |
PSA: | 145.73000 |
LogP: | 2.04720 |
4-hydroxy-benzene-1,3-disulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid at 100℃; | |
With sulfur trioxide at 100℃; for 4h; |
Conditions | Yield |
---|---|
With sulfuric acid | |
With sulfuric acid; sulfur trioxide | |
Stage #1: phenol With sulfuric acid for 3h; Stage #2: With sodium hydroxide at 20℃; |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide |
para-tert-butylphenol
A
4-hydroxy-benzene-1,3-disulfonic acid
B
5-tert-butyl-2-hydroxy-benzenesulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid at 35℃; for 0.35h; Yield given; | A 25 % Spectr. B n/a C 29 % Spectr. |
para-tert-butylphenol
A
4-hydroxy-benzene-1,3-disulfonic acid
B
phenol-2,4,6-trisulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid at 35℃; for 456h; Product distribution; the protic sulphonation of various t-butylphenols; | A 26 % Spectr. B 38 % Spectr. C 36 % Spectr. |
Conditions | Yield |
---|---|
With sulfuric acid at 35℃; for 240h; | A 51 % Spectr. B 49 % Spectr. |
p-hydoroxybenzenesulfonic acid
A
4-hydroxy-benzene-1,3-disulfonic acid
B
phenol-2-sulfonic acid
C
phenol
Conditions | Yield |
---|---|
With sulfuric acid; water; sodium sulfate at 140℃; Rate constant; desulfonation; other temp.: 130 deg C; |
p-hydoroxybenzenesulfonic acid
A
4-hydroxy-benzene-1,3-disulfonic acid
B
phenol-2-sulfonic acid
C
phenol-2,4,6-trisulfonic acid
D
phenol
Conditions | Yield |
---|---|
With sodium hydrogen sulfate; sulfuric acid; water equilibrium compositions at 140 and 170 deg C; |
2-tert-Butylphenol
A
4-hydroxy-benzene-1,3-disulfonic acid
B
2-t-butylphenol-4-sulphonic acid
Conditions | Yield |
---|---|
With sulfuric acid at 35℃; for 0.3h; Yield given; | A 29 % Spectr. B n/a C 36 % Spectr. |