4-Hydroxyisophthalic acid

4-Hydroxyisophthalic acid
  • CAS No.:636-46-4
Other grades of this product :
4-Hydroxyisophthalic acid Basic information
Product Name:4-Hydroxyisophthalic acid
Synonyms:HYDROXYISOPHTHALIC ACID, 4-;4-HYDROXYISOPHTHALIC ACID;4-HYDROXYBENZENE-1,3-DICARBOXYLIC ACID;4-HYDROXY-1,3-BENZENEDECARBOXYLIC ACID;4-HYDROXY-1,3-BENZENEDICARBOXYLIC ACID;ACETYLSALISYLIC ACID IMP B;NSC 2445;Aspirin EP IMpurity B
CAS:636-46-4
MF:C8H6O5
MW:182.13
EINECS:211-258-0
Product Categories:Aromatics, Impurities;API intermediates;Phthalic Acids, Esters and Derivatives;Aromatics;Impurities
Mol File:636-46-4.mol
4-Hydroxyisophthalic acid Chemical Properties
Melting point >300°C
Boiling point 310 C
density 1.4411 (rough estimate)
refractive index 1.5690 (estimate)
storage temp. 2-8°C
solubility DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form solid
pka2?+-.0.10(Predicted)
color White to Pale Purple
Water Solubility 0.3g/L(24 ºC)
Merck 14,4827
CAS DataBase Reference636-46-4(CAS DataBase Reference)
Safety Information
Hazard Codes Xi,Xn
Risk Statements 36/37/38-41-22-36/38
Safety Statements 26-36/37/39-36-39-6
WGK Germany 3
RTECS NT2544000
HS Code 29182900
MSDS Information
ProviderLanguage
4-Hydroxy-1,3-benzenedecarboxylic acid English
4-Hydroxyisophthalic acid Usage And Synthesis
Chemical PropertiesWhite powder
Uses4-Hydroxyisophthalic acid has been proposed as an improvement over aspirin. An impurity of Acetylsalicylic acid (A187780).
Uses4-Hydroxyisophthalic acid has been proposed as an improvement over aspirin. An impurity of Acetylsalicylic acid (A187780). Acetylsalicylic Acid Impurity B; Aspirin Impurity B
General DescriptionPharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
4-Hydroxyisophthalic acid Preparation Products And Raw materials
Preparation ProductsDIMETHYL 4-HYDROXYISOPHTHALATE

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