DIETHYLHEXYL PHTHALATE- ▸ PVC plasticizer: General-purpose plasticizer for flexible PVC.
- ▸ Wire and cable: Plasticizer in wire and cable insulation.
- ▸ Coated goods: Flexibility for coated fabrics, flooring, and film.
- ▸ Functional fluid: Hydraulic and dielectric (capacitor) fluid.
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
Request SDS →⚠ WARNING: This product can expose you to Dioctyl Phthalate, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Dioctyl phthalate (CAS 117-81-7) — bis(2-ethylhexyl) phthalate, commonly DOP or DEHP — is a phthalate-ester plasticizer. It is used to plasticize PVC and other polymers in products such as wire and cable, flooring, coated fabrics, and film, and as a hydraulic and dielectric fluid.
Regulatory & registration requirements
- TSCA (US):
- REACH (EU):
- EC number: 204-211-0
Source: EPA TSCA Inventory (July 2025 release) · ECHA CHEM — retrieved 2026-07-12
Restricted substance — regulatory status
Dioctyl Phthalate (DOP, DEHP) (CAS 117-81-7) appears on the regulatory list(s) below. This is public regulatory information about the substance — not a statement about any specific supplier’s material, and not a safety claim. Confirm the current status for your jurisdiction and intended use.
- California Proposition 65: listed for cancer and reproductive toxicity, listed 1 Jan 1988. A California Proposition 65 warning applies (see the warning above).
- REACH Authorisation List (Annex XIV): use or placing on the EU market after the sunset date (sunset 21 Feb 2015) requires a specific REACH authorisation. Sale and use outside the EU are not restricted by Annex XIV.
- REACH SVHC Candidate List (EU): listed 28 Oct 2008 on the basis of toxic for reproduction (Art. 57(c)), endocrine-disrupting properties (Art. 57(f)). SVHC status triggers EU supplier-communication and notification duties above 0.1% w/w; it is not, by itself, a ban on sale.
Sources: ECHA Candidate List / Annex XIV / Annex XVII (echa.europa.eu); U.S. EPA TSCA; UN Stockholm Convention / EU POPs Regulation; California OEHHA Proposition 65 list. Retrieved 2026-07-13.
Frequently Asked Questions
What is dioctyl phthalate (DOP) used for?
DOP — bis(2-ethylhexyl) phthalate, also called DEHP — is a general-purpose phthalate-ester plasticizer for flexible PVC and other polymers. Typical applications include wire and cable insulation, flooring, coated fabrics, and film, plus use as a hydraulic and dielectric (capacitor) fluid.
What is the difference between dioctyl phthalate (DOP) and DOTP?
DOP is a phthalate ester (CAS 117-81-7, an ortho-phthalate); DOTP is the terephthalate isomer, dioctyl terephthalate (CAS 6422-86-2). Both are bis(2-ethylhexyl) C24H38O4 plasticizers but differ in ester linkage and regulatory positioning. Confirm CAS on the CoA.
What is the HS code for dioctyl phthalate?
DOP classifies under HS 2917.32 — dioctyl orthophthalates. The CAS is 117-81-7 and molecular weight is approximately 390.6 g/mol (C24H38O4). Full identity is documented on the CoA supplied with each shipment.
What is the molecular weight of dioctyl phthalate?
DOP has molecular formula C24H38O4, molecular weight approximately 390.6 g/mol, CAS 117-81-7. The SDS and CoA provided with each bulk order carry the full physical-property data set.
What is the cost of bulk dioctyl phthalate?
Bulk DOP pricing varies with volume, packaging (drums, totes, or bulk), and destination, and tracks 2-ethylhexanol and phthalic anhydride feedstock markets. We do not publish a fixed price; submit a bulk RFQ for a current quote with CoA and SDS.
What is the REACH and TSCA regulatory status of Dioctyl Phthalate (DOP, DEHP)?
Dioctyl Phthalate (DOP, DEHP) (CAS 117-81-7) is subject to U.S. TSCA Inventory requirements; supplying it into the EU requires valid REACH registration ((EC) No 1907/2006). RawSource cannot verify a third-party supplier's registrations — buyers should require documented TSCA and REACH compliance for their jurisdiction and volume (EC 204-211-0).