PHENOLDISULFONIC ACID
- Product Name
- PHENOLDISULFONIC ACID
- CAS No.
- 96-77-5
- Chemical Name
- PHENOLDISULFONIC ACID
- 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
- CBNumber
- CB4150022
- Molecular Formula
- C6H6O7S2
- Formula Weight
- 254.24
- MOL File
- 96-77-5.mol
PHENOLDISULFONIC ACID Property
- 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
- HazardClass
- IRRITANT
- PackingGroup
- II
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H314Causes severe skin burns and eye damage
- Precautionary statements
-
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P310Immediately call a POISON CENTER or doctor/physician.
N-Bromosuccinimide Price
- Product number
- 058368
- Product name
- 4-Hydroxy-1,3-benzenedisulfonic acid
- Packaging
- 500mg
- Price
- $199
- Updated
- 2021/12/16
- Product number
- CHM0079961
- Product name
- 4-HYDROXY-1,3-BENZENEDISULFONIC ACID
- Purity
- 95.00%
- Packaging
- 500MG
- Price
- $795.8
- Updated
- 2021/12/16
- Product number
- BBC/249
- Product name
- 4-hydroxy-1,3-benzenedisulfonicacid
- Packaging
- 5g
- Price
- $355
- Updated
- 2021/12/16
PHENOLDISULFONIC ACID Chemical Properties,Usage,Production
Uses
In the manufacture of aminophenoldisulfonic acids which are intermediates in the dye industry.
Production Methods
Phenoldisulfonic acid is obtained by hydrolysis of the dichloride with ethyl alcohol and/or water. Nitration and reduction of this acid gives 5- amino-4-hydroxy-1,3-benzenedisulfonic acid. 4-Hydroxy-1,3-benzenedisulfonic acid accelerates the rearrangement of cumene hydroperoxide in the Hock – Lang phenol process.
Purification Methods
Crystallise the acid from EtOH/diethyl ether. [Beilstein 11 H 250, 11 I 58, 11 II 139, 6 III 522.]
PHENOLDISULFONIC ACID Preparation Products And Raw materials
Raw materials
Preparation Products
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