Phthalic acid, 98%

Name: Phthalic acid, 98%
Brand: Vaqora Chemicals
SKU: VQ-008570

About Phthalic acid, 98%

Phthalic acid is a carboxylic acid in Synthesis grade carrying the CAS registry number 88-99-3, specified at 98% purity. Its molecular formula is C8H6O4 and its molecular weight is 166.13 g/mol. Alternative names: 1,2-Benzenedicarboxylic acid and o-phthalic acid.

It is supplied as a crystalline powder. Literature values give a melting point of 210-211 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include dyes and pigments manufacture, polymer and resin production and reduction reactions. Our customers for this product work in pharmaceutical manufacturing, academic and industrial research and polymers and plastics.

Available in 500 g, 5 kg, 25 kg and 4 x 25 kg packs, Phthalic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Dyes & pigments manufacture
Polymer & resin production
Reduction reactions

Industries

Specifications & identifiers

Chemical identifiers
Product name	Phthalic acid, 98%
Catalogue No.	VQ-008570
CAS Number	88-99-3
IUPAC name	phthalic acid
Molecular formula	C₈H₆O₄
Molecular weight	166.13 g/mol
Exact mass	166.0266
Grade	Synthesis
Purity / assay	98%
HSN code	29173930
InChIKey	XNGIFLGASWRNHJ-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)C(=O)O)C(=O)O
PubChem CID	1017

Physical properties
Physical form	Powder
Appearance	Crystalline powder
Melting point	210-211 °C
LogP (XLogP3)	0.7
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	1,2-Benzenedicarboxylic acid, o-phthalic acid, benzene-1,2-dicarboxylic acid, o-dicarboxybenzene, o-benzenedicarboxylic acid, Acide phtalique, Kyselina ftalova, ortho-phthalic acid, Pathalic acid, Orthophthalic acid, Sunftal 20

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 88-99-3

AR

Phthalic acid, GR 99.5%

CAS: 88-99-3
Formula: C₈H₆O₄
MW: 166.13 g/mol

VQ-008571

Frequently asked questions

What is the CAS number of Phthalic acid, 98%?

The CAS Registry Number of Phthalic acid, 98% is 88-99-3. It is also known as 1,2-Benzenedicarboxylic acid, o-phthalic acid, benzene-1,2-dicarboxylic acid.

What is the molecular formula and molecular weight of Phthalic acid, 98%?

Phthalic acid, 98% has the molecular formula C8H6O4 and a molecular weight of 166.13 g/mol. Its IUPAC name is phthalic acid.

Which grade and pack sizes of Phthalic acid, 98% can I order?

We supply Phthalic acid, 98% in Synthesis (98%) grade, in 500 g, 5 kg, 25 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phthalic acid, 98%?

Yes. Every lot of Phthalic acid, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Phthalic acid, 98% be shipped internationally?

Yes. Phthalic acid, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.