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Dioctyl Terephthalate
RAW MATERIAL
DOTP

Dioctyl Terephthalate

Dioctyl Terephthalate (DOTP) is a clear, colorless, low-volatility plasticizer mainly used in flexible PVC and cable materials requiring durability and low-temperature flexibility.

Chemical Name
Dioctyl Terephthalate
Molecular Weight
446.7
Molecular Formula
C6H4(COOC8H17)2
EINECS
229-176-9
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PRODUCT OVERVIEW

Product Description

Dioctyl Terephthalate (DOTP) is a clear, colorless liquid mainly used as a plasticizer for polyvinyl chloride materials. It offers low volatility, good low-temperature flexibility, water and oil resistance, and useful electrical properties. These characteristics make it suitable for flexible PVC products and cable materials, including applications that require durable performance. DOTP is also commonly known as Bis(2-ethylhexyl) Terephthalate.
KEY PROPERTIES

Product Characteristics

Clear and colorless liquid.
Low-volatility plasticizer.
Provides good low-temperature flexibility.
Suitable for flexible PVC and cable materials.
Provides useful electrical and durability performance.
TECHNICAL SPECIFICATIONS

Specification Data

Specification Standard Method of Analysis
Color (APHA) 20 max ASTM D1209
Acid Value (KOH-mg/g) 0.05 max ASTM D1045
Water Content (Wt%) 0.05 max ASTM E203
Volume Resistivity (Ω-cm, 30°C) 5.0 × 10¹¹ min ASTM D1169
Specific Gravity (20/20°C) 0.984 ± 0.005 ASTM D1298
Refractive Index (25°C) 1.488 ± 0.003 ASTM D1045
Ester Content (Wt%) 99.6 min GC
Heating Loss (Wt%, 125°C × 3 hrs) 0.1 max JIS K6751
APPLICATIONS

Typical Uses

✓
Used as a plasticizer in flexible polyvinyl chloride (PVC) materials.
✓
Used in cable materials requiring low volatility, low-temperature flexibility, water resistance, and oil resistance.
STORAGE & HANDLING

Handling Guidance

Store and handle the product in accordance with the supplier SDS, COA, and technical documentation. Keep the product in suitable compatible packaging and protect it from contamination during storage and handling.
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