Irganox 259

Name: Irganox 259
Brand: Vaqora Chemicals
SKU: VQ-027189

About Irganox 259

Vaqora Chemicals supplies Irganox 259, an API impurity reference standard registered under CAS number 35074-77-2. With the molecular formula C40H62O6, it has a molar mass of 638.9 g/mol. Its systematic (IUPAC) name is 6-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]hexyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate. Common synonyms include Irganox 249.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This the parent drug substance impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Irganox 259 is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Specifications & identifiers

Chemical identifiers
Product name	Irganox 259
Catalogue No.	VQ-027189
CAS Number	35074-77-2
IUPAC name	6-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]hexyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate
Molecular formula	C₄₀H₆₂O₆
Molecular weight	638.9 g/mol
Exact mass	638.4546
Grade	Reference Standard
HSN code	38229090
InChIKey	ZVVFVKJZNVSANF-UHFFFAOYSA-N
SMILES	CC(C)(C)C1=CC(=CC(=C1O)C(C)(C)C)CCC(=O)OCCCCCCOC(=O)CCC2=CC(=C(C(=C2)C(C)(C)C)O)C(C)(C)C
PubChem CID	64870

Physical properties
Physical form	Solid
LogP (XLogP3)	11.2
H-bond donors / acceptors	2 / 6
TPSA	93.1 Å²
Synonyms	Hexamethylene bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate], Irganox 249, Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, 1,6-hexanediyl ester, 1,6-Hexamethylenebis(3,5-tert-butyl-4-hydroxyhydrocinnamate), Hexamethylene bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate), Hexamethylene glycol bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate), 1,6-hexanediol bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate], Hexamethylene bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate), 1,6-Hexanediyl 3,5-bis(1,1-dimethylethyl)-4-hydroxybenzenepropanoate, Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, 1,1'-(1,6-hexanediyl) ester, 1,6-Hexanediyl bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamte)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H336May cause drowsiness or dizziness
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P261, P271, P273, P304 + P340, P319, 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

Frequently asked questions

What is the CAS number of Irganox 259?

The CAS Registry Number of Irganox 259 is 35074-77-2. It is also known as Hexamethylene bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate], Irganox 249, Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, 1,6-hexanediyl ester.

What is the molecular formula and molecular weight of Irganox 259?

Irganox 259 has the molecular formula C40H62O6 and a molecular weight of 638.9 g/mol. Its IUPAC name is 6-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]hexyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate.

Which grade and pack sizes of Irganox 259 can I order?

We supply Irganox 259 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 Irganox 259?

Yes. Every lot of Irganox 259 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 Irganox 259 be shipped internationally?

Yes. Irganox 259 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.