HMPP 1173 photoinitiator Irgacure 1173 CAS 7473-98-5
Property of HMPP 1173 photoinitiator Irgacure 1173 CAS 7473-98-5
Chemical name : 2-hydroxy-2-methylpropiophenone
CAS No : 7473-98-5
Molecular formula : C10H12O2
EINECS No. : 231-272-0
Molecular wieght : 164.2
mp: 4℃
bp: 80-81℃
Specification for HMPP 1173 photoinitiator Irgacure 1173 CAS 7473-98-5
ITEM | SPECIFICATION | |
APPEARANCE | COLORLESS TO PALE YELLOW LIQUID | |
PURITY (GC %) | 99.0 MIN | |
VOLATILES (%) | 0.1 MAX | |
DENSITY (g/cm3) | 1.04-1.10 | |
LIGHT TRANSMITTANCE (% 10g/100ml TOLUENE) | 425nm | 99.0 MIN |
500nm | 99.0 MIN | |
CLARITY | CLEAR | |
1173 (1103) photoinitiator:
The structural formula is C6H5COC(CH3)2OH, and the molecular weight is 164.20.
Colorless or slightly yellow transparent liquid. The boiling point is 102~103 °C (0.53kPa).
Soluble in toluene, acrylate, methacrylate and the like.
It is easy to be miscible with resin, has high efficiency, good thermal stability, no yellowing and stable storage.
Ultraviolet light absorption wavelength is 260~360nm.
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