Photo Initiator 1173 (PI 1173)

Photo Initiator 1173 is a high-quality industrial chemical widely used in coatings, adhesives, inks, resins, plastics, and specialty formulations. It offers reliable performance, chemical stability, and consistent processing characteristics, making it suitable for modern manufacturing and advanced industrial applications.

Technical Specifications
Absorption 0.20%
Acid Value ≤ 0.5mg
Volatility High
Packing Available 30kg Can, 200kg Drum
Melting Point -15°C
Appearance Clear to light yellow liquid
Odour Mild chemical odour
Molecular Weight 164.2g/mol
Boiling Point 85°C
Distillation Range 160–165°C
Freezing Point ~65 °C
Specific Gravity 1.06g/cm³
Refractive Index 1.436 at 20 °C
Flash Point 93°C
Specific Heat 1.4kJ/kg·K
Autoignition Temp 286°C

Description

Photo Initiator 1173 is a free-radical initiator/photoinitiator used to start polymerization, enabling controlled cure in UV/EB or thermal systems.

Uses

UV-curable inks/coatings/adhesives.

Benefits

Efficient surface cure; low yellowing; liquid handling.

Safety, Compliance & Notes

Thermal Conductivity 0.21W/m·K.
Electrical Conductivity 0.000000001S/cm
Heat of Formation -210kJ/mol
Heat of Vaporization –
Structure C6H5-CO-CH(OH)-CH3
CAS Number 7473-98-5
EINECS Number 231-272-0
Storage & Packaging Store cool and protected from light; keep away from reducing agents/contaminants; follow supplier limits for shelf life and temperature. (Applicable to Photo Initiator 1173 handling.)
Product Stewardship Apply product stewardship: risk assessment, proper labeling, transport compliance, and customer communication via SDS/COA; avoid environmental release. (For Photo Initiator 1173.)
Note Note: For Photo Initiator 1173, verify active content/assay, shelf life, and handling restrictions from the latest SDS/TDS before use.
Notice NOTICE: Values may vary by grade and supplier; confirm specifications and hazards with current SDS/COA before use, storage, transport, or disposal. (For Photo Initiator 1173.)

Additional information

Weight

1 kg, 10 kg, 30 kg, 200 kg