Phthalic acid

SIAL/402915 - ACS reagent, ≥99.5%

Synonym: 1,2-Benzenedicarboxylic acid

CAS Number: 88-99-3
Empirical Formula (Hill Notation): C₈H₆O₄
Molecular Weight: 166.13
EC Number: 201-873-2
MDL Number: MFCD00002467
Linear Formula: C₆H₄-1,2-(CO₂H)₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-402915-25G	25 g	$38.80 1/EA		Add To Favorites
45-402915-250G	250 g	$77.90 1/EA		Add To Favorites
45-402915-1KG	1 kg	$108.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

anion traces	chloride (Cl^-): ≤0.001%
	nitrate (NO₃^-): ≤0.005%
	sulfate (SO₄^2-): ≤0.005%
assay	≥99.5%
cation traces	Fe: ≤0.001%
	heavy metals: ≤0.001%
form	powder or crystals
grade	ACS reagent
ign. residue	≤0.02%
impurities	≤0.05% insolubles
	≤0.5% water
InChI	1S/C8H6O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)(H,11,12)
InChI key	XNGIFLGASWRNHJ-UHFFFAOYSA-N
mp	210-211 °C (dec.) (lit.)
Quality Level	200
SMILES string	OC(C1=C(C(O)=O)C=CC=C1)=O

Application:	Phthalic acid may be used as a catalyst for the thiocyanation of aromatics and heteroaromatics and as an interfacial protector for the preparation of ordered mesoporous γ-alumina. It may be used as a model compound in understanding the adsorption of aromatic carboxylic acids on gold surfaces.
General description:	Phthalic acid (PA, PTA), also called as 1,2-benzenedicarboxylic acid is an aromatic carboxylic acid. It is the ortho form of the three phthalic acid isomers, the other two being isophthalic acid (meta form) and terephthalic acid (para form). PA is the starting material in the synthesis of plasticizers. A study on toxicity reveals that PA shows in vitro and in vivo toxicity. Its mineralization by photocatalysis using TiO₂/UV system has been studied. It also is used as a potential tyrosinase inhibitor.
Packaging:	1 kg in poly bottle
Packaging:	25, 250 g in poly bottle

Symbol	GHS07
Signal word	Warning
Hazard statements	H315 - H319 - H335
Precautionary statements	P302 + P352 - P305 + P351 + P338
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26
RIDADR	NONH for all modes of transport
WGK Germany	WGK 1

Purity	≥99.5%
mp	210-211 °C (dec.) (lit.)
UNSPSC	12352100

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