DI-(2-PROPYL HEPTYL)PHTHALATE (DPHP) - CAS# 53306-54-0

DI-(2-PROPYL HEPTYL)PHTHALATE (DPHP) - CAS# 53306-54-0

: Bis(2-propylheptyl) benzene-1,2-dicarboxylate

: C₂₈H₄₄O₄

: ~444.63 g/mol

: Phthalic acid esterified with two 2-propylheptanol groups. The 2-propylheptyl group is a branched 10-carbon chain with a propyl substituent on the second carbon of a heptyl backbone.

: Likely a colorless, oily liquid (common for high-molecular-weight phthalates).

: Estimated >300℃ (similar to DEHP, which boils at ~385℃).

: Low water solubility; miscible with organic solvents (e.g., oils, fats).

: Plasticizer in polyvinyl chloride (PVC) products (e.g., cables, flooring, synthetic leather).

: Larger branched structure may reduce leaching compared to smaller phthalates like DEHP.

: Potential endocrine disruptor; may affect reproductive, hepatic, or renal systems. Toxicity is typically lower than DEHP but still under scrutiny.

: Ingestion, inhalation, or dermal contact from leaching plastics.

: Not explicitly restricted as of current knowledge but monitored as a substitute for regulated phthalates.

: Listed on the TSCA inventory; specific restrictions depend on application (e.g., toys, food contact materials).

: Resistant to biodegradation due to branching; potential for bioaccumulation.

: Risks to aquatic life if released into waterways.

Bis(2-propylheptyl) phthalate

Di-2-propylheptyl phthalate

DPHP is part of the broader shift toward high-molecular-weight phthalates, which are perceived as safer but still warrant caution.

Ongoing research and regulatory reviews may impact its future use in consumer products.

For precise handling or regulatory compliance, consult Safety Data Sheets (SDS) and updated local regulations.

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