71868-10-5
2-methyl-4'-(methylthio)-2-morpholino-propiopheno
CAS: 71868-10-5
Molecular Formula: C15H21NO2S
71868-10-5 - Names and Identifiers
71868-10-5 - Physico-chemical Properties
| Molecular Formula | C15H21NO2S |
| Molar Mass | 279.4 |
| Density | 1.15±0.1 g/cm3(Predicted) |
| Melting Point | 74-76°C(lit.) |
| Boling Point | 210°C/76mmHg(lit.) |
| Flash Point | 165℃ |
| Water Solubility | 17.9mg/L at 20℃ |
| Solubility | 162 in mg/100g standard fat at 20 ℃ |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Solid |
| Color | White to Almost white |
| pKa | 4.77±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Sensitive | Sensitive to light |
| Refractive Index | 1.591 |
| MDL | MFCD00083014 |
71868-10-5 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S22 - Do not breathe dust. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| HS Code | 29349990 |
| Hazard Class | 9 |
| Packing Group | III |
71868-10-5 - Reference Information
| LogP | 3.09 at 25℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| physical properties | 64% appearance white powder crystal melting point 74-76°C(lit.) volatiles 0.20% max. Ash content 0.10% max absorption wavelength 231nm content ≥ 99% |
| application field | photoinitiator 907 is an efficient UV initiator for initiating UV polymerization of unsaturated prepolymer system. Examples: Acrylic Resins and mono-and multi-functional vinyl monomers. initiator molecules in the ultraviolet region (250~400 nm) or visible light region (400~800 nm) has a certain absorption ability, the initiator molecule transitions from the ground state to the excited singlet state, and transitions to the excited triplet state through inter-system channeling; After the excited singlet or triplet state undergoes a single molecule or bimolecular chemistry, reactive fragments are generated that are capable of initiating polymerization of the monomers, and these reactive fragments may be free radicals, cations, anions, and the like. According to the different initiation mechanism, photoinitiators can be divided into Free Radical Polymerization photoinitiators and Cationic Photoinitiators, of which Free Radical Polymerization Photoinitiators are most widely used. The high absorption characteristics of photoinitiator 907 make it particularly suitable for UV-curable inks and color coatings. UV inks contain higher amounts of photoinitiators, which facilitate rapid ink drying during the printing process. These Photoinitiators are not stable, even in the dark environment, but also easy to occur dark reaction, resulting in one ink gel core, followed by a large area of the gel phenomenon, especially when preserving metal ink, similar conditions are more likely to occur. Therefore, it is recommended to store the ink pigment separately from the binder, and when it is to be used, it is necessary to use a large machine for stirring and mixing. The high-efficiency photoinitiator is used in the UV curing system, which can make it not yellow for a long time and prolong the storage. An initiator specifically for pigment-containing UV-curable coatings, inks, and adhesive colored curing systems that can be used with initiators such as 184 and ITX. Can be used for colored ink system, paper/metal and plastic varnish and electronic ink. It can also be used as an ultraviolet absorber in cosmetics and other industries. It is recommended to add 2-6%. |
| Use | as initiator in photocurable materials UV-curable coatings and inks UV-curable coatings and inks high-efficiency Photoinitiators UV-curing system, can make its long-term non-yellowing and extended storage. |
Last Update：2024-06-12 15:39:44
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