Bis(2-methylbutyl) phthalate CAS 42925-80-4

Purity 97%+In StockPharmaceutical Standards
CAS No.42925-80-4
Molecular FormulaC18H26O4
Molecular Weight306.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Bis(2-methylbutyl) phthalate CAS 42925-80-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 306.40 g/mol gives Bis(2-methylbutyl) phthalate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Bis(2-methylbutyl) phthalate (CAS 42925-80-4), molecular formula C18H26O4 and molecular weight 306.40 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Bis(2-methylbutyl) phthalate (C18H26O4) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 306.40 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures Bis(2-methylbutyl) phthalate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC18H26O4
Molecular Weight306.40 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1969

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Why CATO?