4-Hydroxyphthalic acid

CAS NO.：610-35-5
Empirical Formula: C8H6O5
Molecular Weight: 182.13
MDL number: MFCD00013984
EINECS: 210-221-6
SAFETY DATA SHEET (SDS)
Update Date: 2024-10-31 18:15:48

What is 4-Hydroxyphthalic acid?

Chemical properties

off-white to white powder

The Uses of 4-Hydroxyphthalic acid

4-Hydroxyphthalic acid is used as a precursor to prepare 3,5-dichloro-4-hydroxyphthalic acid using the reagent aqueous acetic acid and chlorine. Further, it is also used as a starting material in the manufacture of N-(4-carboxyphenyl)-4-acetoxyphthalimide.

Definition

ChEBI: 4-hydroxyphthalic acid is a hydroxybenzoic acid that is phthalic acid in which the hydrogen at position 4 is substituted by a hydroxy group. It is a member of phenols and a hydroxybenzoic acid. It derives from a phthalic acid.

Properties of 4-Hydroxyphthalic acid

Melting point:	191-194 °C
Boiling point:	235.5°C (rough estimate)
Density	1.3293 (rough estimate)
refractive index	1.4330 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	DMSO (Slightly), Methanol (Slightly)
form	Powder
pka	3.13±0.10(Predicted)
color	White to off-white
Water Solubility	Slightly miscible with water.
CAS DataBase Reference	610-35-5(CAS DataBase Reference)
EPA Substance Registry System	1,2-Benzenedicarboxylic acid, 4-hydroxy- (610-35-5)

Safety information for 4-Hydroxyphthalic acid

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation
Precautionary Statement Codes	P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P321:Specific treatment (see … on this label). P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention.