SunfleksDOTPDOTP / DEHT plasticizer

Phthalate-Free PVC Plasticizer

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Product profile

Sunfleks is an organic chemical compound. It is an ester of 2-ethylhexanol and terephthalic acid that serves primarily as a general-purpose plasticizer in PVC processing. It is also used in paints, coatings and adhesives.

Chemical identity

Chemical Structure: Bis(2-ethylhexyl) terephthalate
Abbreviation: DOTP / DEHT
CAS No.: 6422-86-2
Molecular Weight: 391
Formula: C24H38O4

Application and product selection

Select DOTP against the complete formulation: target Shore hardness, resin, filler loading, processing temperature and service conditions. When replacing DOP or DINP, validate the dosage in a pilot run and ageing tests rather than assuming identical mechanical performance at the same loading.

Flexible PVC cable sheathing and hose formulations
Shoe soles, flooring and technical PVC parts
Paint, coating and adhesive systems subject to compatibility validation

Frequently asked questions

How can I request a Sunfleks DOTP sample or quotation?

Share the application, target properties, quantity and destination country. The product name is carried into the enquiry form so the team can assess the appropriate grade and supply requirements.

What do the TDS and SDS provide?

The TDS provides typical properties and test methods; the SDS provides handling information. Finished-product performance and application suitability require separate validation.

Are the table values guaranteed for every batch?

Values on this page support preliminary selection. Confirm the purchase specification, current TDS and required batch documents with the technical team.

Discuss with the technical team →

Technical Data

Typical product values and test methods. Confirm batch-specific and application-specific values with our technical team.

Sunfleks DOTP

CAS 6422-86-2

Properties, test methods and typical values for Sunfleks DOTP
Property	Test Method	Value
Physical State	Not specified	Likit / Liquid
Appearance	Not specified	Transparan / Transparent
Density (20°C, g/cm³)	ASTM D 1045	0,979-0,985
Ester Content (%)	GC-Home Method	≥ 99,5
Refractive Index (20°C)	ASTM D 1045	1,4830-1,4890
Viscosity (20°C, cP)	ASTM D 1045	80-95
Flash Point (Open Cup, °C)	ASTM D 92	≥ 210
Water Content (%)	ASTM D 1364-02	≤ 0,05
Boiling Point (°C)	Not specified	383
Freezing Point (°C)	Not specified	-48
Water Solubility (20°C, g/L)	Not specified	≤ 0,05
Acidity (mg KOH/g)	ASTM D 1045	≤ 0,10
Color (Pt-Co)	ASTM D 1209	≤ 20