Terephthalic acid, 99%

Name: Terephthalic acid, 99%
Brand: Vaqora Chemicals
SKU: VQ-019046

About Terephthalic acid, 99%

Listed under CAS 100-21-0, Terephthalic acid is a monomer available from Vaqora Chemicals in Synthesis grade at a purity of 99%. Formula C8H6O4, molecular weight 166.13 g/mol. Common synonyms include Benzene-1,4-dicarboxylic acid and p-Phthalic acid.

In its supplied form it is a white to off-white powder. Key physical data: a melting point of above 300 °C. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for polymerisation, crosslinking and curing, adhesives and coatings and paints, coatings and inks. It is used across polymers and plastics and paints and coatings.

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

Typical applications

Polymerisation
Crosslinking & curing
Adhesives & coatings
Paints, coatings & inks

Industries

Specifications & identifiers

Chemical identifiers
Product name	Terephthalic acid, 99%
Catalogue No.	VQ-019046
CAS Number	100-21-0
IUPAC name	terephthalic acid
Molecular formula	C₈H₆O₄
Molecular weight	166.13 g/mol
Exact mass	166.0266
Grade	Synthesis
Purity / assay	99%
HSN code	29173600
InChIKey	KKEYFWRCBNTPAC-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1C(=O)O)C(=O)O
PubChem CID	7489

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	>300 °C
LogP (XLogP3)	2
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	Benzene-1,4-dicarboxylic acid, p-Phthalic acid, 1,4-Benzenedicarboxylic acid, p-Dicarboxybenzene, 1,4-dicarboxybenzene, Acide terephtalique, p-Benzenedicarboxylic acid, p-Carboxybenzoic acid, Tephthol, para-Phthalic acid, Kyselina tereftalova, 4-Carboxybenzoic Acid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 100-21-0

Terephthalic acid, 99%+

CAS: 100-21-0
Formula: C₈H₆O₄
MW: 166.13 g/mol

VQ-019047

Frequently asked questions

What is the CAS number of Terephthalic acid, 99%?

The CAS Registry Number of Terephthalic acid, 99% is 100-21-0. It is also known as Benzene-1,4-dicarboxylic acid, p-Phthalic acid, 1,4-Benzenedicarboxylic acid.

What is the molecular formula and molecular weight of Terephthalic acid, 99%?

Terephthalic acid, 99% has the molecular formula C8H6O4 and a molecular weight of 166.13 g/mol. Its IUPAC name is terephthalic acid.

Which grade and pack sizes of Terephthalic acid, 99% can I order?

We supply Terephthalic acid, 99% in Synthesis (99%) 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 Terephthalic acid, 99%?

Yes. Every lot of Terephthalic acid, 99% 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 Terephthalic acid, 99% be shipped internationally?

Yes. Terephthalic acid, 99% 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.