| | Identification | More |  | [Name] 
 Sodium 4-hydroxybenzenesulfonate
 |  | [CAS] 
 825-90-1
 |  | [Synonyms] 
 4-HYDROXYBENZENESULFONIC ACID SODIUM SALT
 4-HYDROXYBENZENESULPHONIC ACID SODIUM SALT DIHYDRATE
 P-PHENOL SULFONIC ACID, NA
 P-PHENOLSULFONIC ACID SODIUM SALT
 SODIUM 4-HYDROXYBENZENESULFONATE
 SODIUM PHENOL SULFONATE
 SODIUM P-PHENOLSULFONATE
 SODIUM SULFOCARBOLATE
 4-hydroxy-benzenesulfonicacimonosodiumsalt
 Benzenesulfonicacid,4-hydroxy-,monosodiumsalt
 p-Phenolsulphonicacid,sodiumsalt
 sodium 4-hydroxybenzenesulphonate
 SODIUM PHENOL SULFONATE DIHYDRATE
 4-PhenolsulfonicAcidMonosodiumSalt
 Phenol-p-SulphonicacidSodiumsalt
 4-HYDROXYBENZENESULFONATE,SODIUMSALTDIHYDRATE
 SODIUMPARA-PHENOLSULFONATEDIHYDRATE
 4-Phenolsulfonic acid sodium salt
 |  | [EINECS(EC#)] 
 212-550-0
 |  | [Molecular Formula] 
 C6H5NaO4S
 |  | [MDL Number] 
 MFCD00044734
 |  | [Molecular Weight] 
 196.16
 |  | [MOL File] 
 825-90-1.mol
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 >300°C
 |  | [Boiling point ] 
 350℃[at 101 325 Pa]
 |  | [density ] 
 1.656[at 20℃]
 |  | [vapor pressure ] 
 0Pa at 20℃
 |  | [storage temp. ] 
 Inert atmosphere,Room Temperature
 |  | [solubility ] 
 Methanol (Slightly), Water (Slightly)
 |  | [form ] 
 Solid
 |  | [color ] 
 White
 |  | [Odor] 
 essentially odorless
 |  | [Water Solubility ] 
 92.4g/L at 20℃
 |  | [InChI] 
 InChI=1S/C6H6O4S.Na.H/c7-5-1-3-6(4-2-5)11(8,9)10;;/h1-4,7H,(H,8,9,10);;
 |  | [InChIKey] 
 XAYWQCUDJGTIBM-UHFFFAOYSA-N
 |  | [SMILES] 
 S(C1C=CC(O)=CC=1)(O)(=O)=O.[NaH]
 |  | [LogP] 
 -2.79 at 20℃
 |  | [CAS DataBase Reference] 
 825-90-1(CAS DataBase Reference)
 |  | [EPA Substance Registry System] 
 825-90-1(EPA Substance)
 | 
 | Safety Data | Back Directory |  | [Risk Statements ] 
 R36/37/38:Irritating to eyes, respiratory system and skin .
 |  | [Safety Statements ] 
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 S37/39:Wear suitable gloves and eye/face protection .
 |  | [HS Code ] 
 2908.99.1500
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 4-Hydroxybenzenesulfonic Acid is a useful synthetic intermediate. It is used in the synthesis of difluoromethyl sulfonates. It can be also used to prepare Famphur Oxon (F102330) which is a metabolite of Famphur (F102325), an organophosphate insecticide and pesticide.
 |  | [Flammability and Explosibility] 
 Notclassified
 |  | [Purification Methods] 
 It crystallises from hot water (1mL/g) by cooling to 0o, or from MeOH, and is dried in vacuum. [Beilstein 11 II 134.]
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