Terephthalic acid, 99%+

Name: Terephthalic acid, 99%+
Brand: Vaqora Chemicals
SKU: VQ-019047

About Terephthalic acid, 99%+

Terephthalic acid is a monomer carrying the CAS registry number 100-21-0, specified at ≥99% purity. The compound has the formula C8H6O4, corresponding to a molecular weight of 166.13 g/mol. It is also known as Benzene-1,4-dicarboxylic acid or p-Phthalic acid.

In its supplied form it is a white to off-white powder. Literature values give a melting point of above 300 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for polymerisation, crosslinking and curing, adhesives and coatings and paints, coatings and inks. Buyers come mainly from polymers and plastics and paints and coatings.

We offer Terephthalic acid in 25 g, 500 g, 25 kg and 4 x 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Terephthalic acid, 99%+
Catalogue No.	VQ-019047
CAS Number	100-21-0
IUPAC name	terephthalic acid
Molecular formula	C₈H₆O₄
Molecular weight	166.13 g/mol
Exact mass	166.0266
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

Synthesis

Terephthalic acid, 99%

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

VQ-019046

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 (≥99%) grade, in 25 g, 500 g, 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.