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96-77-5

Basic Information
CAS No.: 96-77-5
Name: PHENOLDISULFONIC ACID
Article Data: 21
Molecular Structure:
Molecular Structure of 96-77-5 (PHENOLDISULFONIC ACID)
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
Synthetic route

benzenediazonium sulphate

96-77-5

4-hydroxy-benzene-1,3-disulfonic acid

Conditions
ConditionsYield
With sulfuric acid
108-95-2

phenol

A

98-67-9

p-hydoroxybenzenesulfonic acid

B

96-77-5

4-hydroxy-benzene-1,3-disulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 100℃;
With sulfur trioxide at 100℃; for 4h;
108-95-2

phenol

96-77-5

4-hydroxy-benzene-1,3-disulfonic acid

Conditions
ConditionsYield
With sulfuric acid
With sulfuric acid; sulfur trioxide
Stage #1: phenol With sulfuric acid for 3h;
Stage #2: With sodium hydroxide at 20℃;
108-95-2

phenol

A

96-77-5

4-hydroxy-benzene-1,3-disulfonic acid

B

5930-44-9

phenol-2,4,6-trisulfonic acid

Conditions
ConditionsYield
With sulfuric acid; sulfur trioxide
98-54-4

para-tert-butylphenol

A

96-77-5

4-hydroxy-benzene-1,3-disulfonic acid

B

69103-69-1

5-tert-butyl-2-hydroxy-benzenesulfonic acid

C

4-t-butylphenol-2,6-disulphonic acid

Conditions
ConditionsYield
With sulfuric acid at 35℃; for 0.35h; Yield given;A 25 % Spectr.
B n/a
C 29 % Spectr.
98-54-4

para-tert-butylphenol

A

96-77-5

4-hydroxy-benzene-1,3-disulfonic acid

B

5930-44-9

phenol-2,4,6-trisulfonic acid

C

4-t-butylphenol-2,6-disulphonic acid

Conditions
ConditionsYield
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.
98-54-4

para-tert-butylphenol

A

96-77-5

4-hydroxy-benzene-1,3-disulfonic acid

B

4-t-butylphenol-2,6-disulphonic acid

Conditions
ConditionsYield
With sulfuric acid at 35℃; for 240h;A 51 % Spectr.
B 49 % Spectr.
98-67-9

p-hydoroxybenzenesulfonic acid

A

96-77-5

4-hydroxy-benzene-1,3-disulfonic acid

B

609-46-1

phenol-2-sulfonic acid

C

108-95-2

phenol

Conditions
ConditionsYield
With sulfuric acid; water; sodium sulfate at 140℃; Rate constant; desulfonation; other temp.: 130 deg C;
98-67-9

p-hydoroxybenzenesulfonic acid

A

96-77-5

4-hydroxy-benzene-1,3-disulfonic acid

B

609-46-1

phenol-2-sulfonic acid

C

5930-44-9

phenol-2,4,6-trisulfonic acid

D

108-95-2

phenol

Conditions
ConditionsYield
With sodium hydrogen sulfate; sulfuric acid; water equilibrium compositions at 140 and 170 deg C;
88-18-6

2-tert-Butylphenol

A

96-77-5

4-hydroxy-benzene-1,3-disulfonic acid

B

57354-59-3

2-t-butylphenol-4-sulphonic acid

C

4-t-butylphenol-2,6-disulphonic acid

Conditions
ConditionsYield
With sulfuric acid at 35℃; for 0.3h; Yield given;A 29 % Spectr.
B n/a
C 36 % Spectr.
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