Molekula
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide is a photoinitiator used in UV-curable coatings, inks, and adhesives. It is a white to off-white crystalline solid with a molecular weight of 348.37 g/mol, a CAS number of 75980-60-8, and a molecular formula of (CH3)3C6H2COP(O)(C6H5)2. It is stored at ambient temperature and is classified as dangerous. Molekula supplies Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide is a photoinitiator used in UV-curable coatings, inks, and adhesives. It is a white to off-white crystalline solid with a molecular weight of 348.37 g/mol, a CAS number of 75980-60-8, and a molecular formula of (CH3)3C6H2COP(O)(C6H5)2. It is stored at ambient temperature and is classified as dangerous. Molekula supplies Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Yellow crystal |
| Melting Point | 91 ~ 95°C |
| Ash | ≤0.1% |
| Acid Value | ≤0.5 mg/KOH/g |
| Loss on Drying | ≤0.2% |
| Assay | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 75980-60-8 |
| Molecular Formula | (CH3)3C6H2COP(O)(C6H5)2 |
| Molecular Weight | 348.37 |
| SMILES | CC1=CC(=C(C(=C1)C)C(=O)P(=O)(C2=CC=CC=C2)C3=CC=CC=C3)C |
| EC / UN Number | 3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29314990 |
| Tariff Code | 2931498090 |
Safety & GHS
-
Explosive
GHS01
-
Flammable
GHS02
-
Toxic
GHS06
Hazard statements
- H317 May cause an allergic skin reaction
- H360FD May damage fertility. May damage the unborn child.
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P501 Dispose of contents/container to an approved waste disposal plant
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide used for?
It is primarily used as a photoinitiator in UV-curable coatings, inks, and adhesives.
What is the chemical formula and molecular weight?
The formula is (CH3)3C6H2COP(O)(C6H5)2 with a molecular weight of 348.37 g/mol.
How should this compound be stored?
It should be stored at ambient temperature, protected from light and moisture.
What grade is available?
Available in technical grade; specific purity details can be provided upon request.
Can Molekula supply this in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.