ChemicalBook--->CAS DataBase List--->96-77-5

96-77-5

96-77-5 Structure

96-77-5 Structure
IdentificationBack Directory
[Name]

PHENOLDISULFONIC ACID
[CAS]

96-77-5
[Synonyms]

PHENOLDISULFONIC ACID
Phenoldisu1fonic acid
PHENOLDISULPHONIC ACID
Phenol-2,4-disulfonicacid
Solution25%wvinsulfuricacid
4-Hydroxybenzenedisulfonicacid
Phenol disulfonic acid solution
Phenol disulphonic acid, GR 25%
4-hydroxy-3-benzenedisulfonicacid
3-Benzenedisulfonicacid,4-hydroxy-1
4-Hydroxy-1,3-benzenedisulfonic acid
Phenol disulfonic acid test solution
4-hydroxy-benzene-1,3-disulfonic acid
4-hydroxybenzene-1,3-disulphonic acid
1,3-Benzenedisulfonic acid, 4-hydroxy-
4-Hydroxybenzene-1,3-bis(sulfonic acid)
Phenol disulfonic acid test solution(ChP)
PhenoldisulphonicAcidSolu.25%W/VInSulphonicA
PHENOLDISULPHONIC ACID SOLUTION 25% W/V IN SULPHURIC ACID
[EINECS(EC#)]

202-533-6
[Molecular Formula]

C6H6O7S2
[MDL Number]

MFCD00152742
[MOL File]

96-77-5.mol
[Molecular Weight]

254.24
Chemical PropertiesBack Directory
[Melting point ]

>99.85°C
[Boiling point ]

367.45°C (rough estimate)
[density ]

1.606 (estimate)
[refractive index ]

1.6550 (estimate)
[form ]

liquid
[pka]

-1.13±0.45(Predicted)
[color ]

Yellow to brown
[Water Solubility ]

Reacts with water
[EPA Substance Registry System]

1,3-Benzenedisulfonic acid, 4-hydroxy- (96-77-5)
Safety DataBack Directory
[HazardClass ]

IRRITANT
[PackingGroup ]

II
Hazard InformationBack Directory
[Uses]

In the manufacture of aminophenoldisulfonic acids which are intermediates in the dye industry.
[Purification Methods]

Crystallise the acid from EtOH/diethyl ether. [Beilstein 11 H 250, 11 I 58, 11 II 139, 6 III 522.]
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