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Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide CAS:75980-60-8 Product Introduction
Product name: Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
CAS: 75980-60-8
MF: C22H21O2P
MW: 348.37
Appearance: light yellow solid.
Characteristic:
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide is a highly efficient free radical (1) type photoinitiator with absorption in the long wavelength range. Due to its wide absorption range, its effective absorption peak is 350-400 nm, and its absorption peak is about 420 nm. Its absorption peak is longer than that of conventional initiators, and two free radicals, benzoyl and phosphoryl, can be generated after exposure to light. , can initiate polymerization, so the light curing speed is fast, it also has photobleaching effect, suitable for deep curing of thick films and the characteristics of non-yellowing coating, low volatility, suitable for water-based.
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide Indicator:
| 质量指标 ITEM |
控制标准 STANDARD |
检测结果 RESULT |
| 外观 APPEARANCE |
黄色至类白色粉末 WHITE POWDER |
符合 |
| 纯度 PURITY |
99.0% min | 99.17% |
| 熔点 MELTING POINT |
91.0-94.0 0C | 93.3-93.8 0C |
| 挥发分 LOSS ON DRYING |
0.20% max | 0.08% |
| 酸值 ACID VALUE |
≤0.50mg/g | 0.17mg/g |
| 结论 CONCLUSION |
合格 PASS |
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide Application:
1.This product is the best extraction solvent for petroleum aromatics plant; the mixed solution of N-formylmorpholine and morpholine (1:1) is the extraction solvent for methyl ethyl ketone plant. Also used as formylation reagent in fine chemical industry
2.Photoinitiator, mainly used in screen printing ink, lithographic printing ink, Chemicalbook flexo printing ink, wood coating
3.Photo initiators for various ink industries
4.It is mostly used in white systems, and can be used in UV-curing coatings, printing inks, UV-curing adhesives, optical fiber coatings, etc.
5.UV-curable coatings and inks
Package:
– 25kg moisture-proof woven bag lined with two layers of plastic bags,
– 1000kg moisture-proof big bag lined with two layers of plastic bags.
Storage and transportation:
Should be stored in a dry, cool, well-ventilated place. To prevent sun exposure, isolate from fire and heat sources, and do not store and transport with ammonia, oxygen, phosphorus, antimony powder and alkalis. It
should be kept away from sawdust, shavings, straw, etc. to prevent burning
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