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Product Name: 2-Hydroxy-2-methylpropiophenone
Other Name: Photocure-1173; 2-Hydroxy-2-methyl-1-phenyl-propan-1-one
CAS No: 7473-98-5
MF: C10H12O2
MW: 164.20100
Density: 1.077 g/mL at 25 °C(lit.)
Boiling point: 102-103 °C4 mm Hg(lit.)
Melting point: 4°C
Flash point: >230 °F
Refractive index: n20/D 1.533(lit.)
UN Number: Not dangerous goods
UN Proper Shipping Name: Not dangerous goods
Transport hazard class: Not dangerous goods
Packing group: Not dangerous goods
Appearance: Light yellow transparent liquid
Assay: ≥98%
Transmittance: 425nm ≥98.00%
1173 is a high-efficiency, non-yellowing UV photoinitiator. It has low odor, non-yellowing and good color stability for UV curing systems of unsaturated polyester systems and multifunctional monomers.
1173 is a versatile and efficient liquid photoinitiator for acrylate series UV curing varnishes on paper, metal and plastic surfaces. It is especially recommended for UV coatings that require only a slight yellowing even after prolonged exposure to sunlight.
The 1173 has excellent compatibility and can be easily mixed with other photoinitiators and prepolymers.
1173 Applied to the surface layer curing system.
1173 Suitable for acrylic photocuring varnish systems, such as varnish systems for wood, metal, paper, plastics, etc.
1173 It is recommended to add 1-4% w/w to uv cured coatings that are subject to long-term exposure to sunlight and yellowing.
Package: 25kg/drum, can also be designed according to customer requirements.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

Our unique, open innovation partnerships have led to the development of creative strategies and new technologies, giving our customers a distinct market advantage. We build business by creating the best performance chemicals through innovation and collaboration with our partners.Our company strives to build a high-efficiency, high-quality integrated chemical service platform to better serve domestic and foreign customers.The company's production base is equipped with enamel reactors from 50L to 5000L, stainless steel ultra-low temperature reactors and conventional separation and drying equipment.We offer a wide range of custom synthesis and production services for pharmaceutical intermediates, reference compounds and new reagents for pharmaceutical companies, pharmaceutical biotech companies, universities and research institutions.Founded in 2007, our company is a high-tech pharmaceutical and pesticide chemical company integrating R&D, production and sales.

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