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Diisobutyl phthalate (DIBP)

CAS 84-69-5

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Also known as: dibp, diisobutyl phthalate, di-iso-butyl phthalate

Part of family: Phthalates

What it is + why it's regulated

Diisobutyl phthalate, often called DIBP, is a chemical used mainly to make plastics more flexible and durable. You might find it in items like PVC flooring, cables, toys, and some adhesives or inks. It belongs to a group of phthalates that have raised health concerns. The European Chemicals Agency (ECHA) lists DIBP on its REACH Candidate List of Substances of Very High Concern because it is classified as toxic for reproduction. This means scientific studies indicate it can harm fertility or the developing baby. Under EU REACH regulations, companies must inform customers if a product contains DIBP above a certain level, and it may eventually require special authorization to use. This summary draws on public regulatory data; the linked source is authoritative. Source: ECHA Candidate List (https://echa.europa.eu/candidate-list-table).

Listed reason: Toxic for reproduction
Regulation: REACH Annex XIV

Authoritative source

Issuing body: EU REACH SVHC Candidate List
Primary register: https://echa.europa.eu/candidate-list-table

Always verify each fact at the primary register before acting on it.

What this is NOT

ProductGuru is an INDEX of public regulatory data, not a primary source. This page is not medical, occupational-health, or legal advice. Every claim above is drawn from the issuing-agency register linked. Inclusion in our index is not endorsement, condemnation, or hazard assessment.

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