Bis(4-hydroxybutyl) Terephthalate

About Bis(4-hydroxybutyl) Terephthalate

Bis(4-hydroxybutyl) Terephthalate is a metabolite or degradation product of Terephthalic acid carrying the CAS registry number 23358-95-4. Formula C16H22O6, molecular weight 310.34 g/mol. Systematically, it is named bis(4-hydroxybutyl) benzene-1,4-dicarboxylate. Alternative names: bis(hydroxybutyl) terephthalate and bishydroxybutylterephthalate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Terephthalic acid, as well as in QC testing and ANDA/DMF documentation. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Terephthalic acid

View every impurity, metabolite and intermediate we list for Terephthalic acid.

Terephthalic acid impurities

Specifications & identifiers

Chemical identifiers
Product name	Bis(4-hydroxybutyl) Terephthalate
Catalogue No.	VQ-042444
CAS Number	23358-95-4
IUPAC name	bis(4-hydroxybutyl) benzene-1,4-dicarboxylate
Molecular formula	C₁₆H₂₂O₆
Molecular weight	310.34 g/mol
Exact mass	310.1416
Grade	Reference Standard
HSN code	38229090
InChIKey	MRLFFZIIRRKXBJ-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1C(=O)OCCCCO)C(=O)OCCCCO
PubChem CID	11001391

Physical properties
Physical form	Solid
LogP (XLogP3)	3.1
H-bond donors / acceptors	2 / 6
TPSA	93.1 Å²
Synonyms	bis(hydroxybutyl) terephthalate, 1,4-Benzenedicarboxylic acid, 1,4-bis(4-hydroxybutyl) ester, 1,4-Benzenedicarboxylic acid, bis(4-hydroxybutyl) ester, bishydroxybutylterephthalate, 1,4-Butanediyl terephthalate, bis(hydroxybutyl)terephthalate, Terephthalic acid, bis(4-hydroxybutyl) ester, 1,4-Bis(4-hydroxybutyl) 1,4-benzenedicarboxylate

Documents

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

Frequently asked questions

What is the CAS number of Bis(4-hydroxybutyl) Terephthalate?

The CAS Registry Number of Bis(4-hydroxybutyl) Terephthalate is 23358-95-4. It is also known as bis(hydroxybutyl) terephthalate, 1,4-Benzenedicarboxylic acid, 1,4-bis(4-hydroxybutyl) ester, 1,4-Benzenedicarboxylic acid, bis(4-hydroxybutyl) ester.

What is the molecular formula and molecular weight of Bis(4-hydroxybutyl) Terephthalate?

Bis(4-hydroxybutyl) Terephthalate has the molecular formula C16H22O6 and a molecular weight of 310.34 g/mol. Its IUPAC name is bis(4-hydroxybutyl) benzene-1,4-dicarboxylate.

What is Bis(4-hydroxybutyl) Terephthalate used for?

Bis(4-hydroxybutyl) Terephthalate is supplied as a characterised reference material related to Terephthalic acid. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Bis(4-hydroxybutyl) Terephthalate can I order?

We supply Bis(4-hydroxybutyl) Terephthalate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Bis(4-hydroxybutyl) Terephthalate?

Yes. Every lot of Bis(4-hydroxybutyl) Terephthalate 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 Bis(4-hydroxybutyl) Terephthalate be shipped internationally?

Yes. We export Bis(4-hydroxybutyl) Terephthalate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.