Photoinitiator 379 Blend (379 + TPO)
- CAS No.
- 119344-86-4
PI 379 + phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide (TPO) 2:1. TPO adds visible-light absorption for deep-section / thick-film cure.
Pack size
- Certificate of Analysis on every batch · synonyms & CAS verified
- EU, US & SEA warehouses · 24h dispatch on stocked SKUs
- Bulk discounts from 5 tons · custom blends on request
- IATA / IMDG hazmat shipping arranged · REACH-ready exports
About this product
PI 379 + phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide (TPO) 2:1. TPO adds visible-light absorption for deep-section / thick-film cure.
Why source from Chem-End
- CoA on every batch
Each lot ships with a fresh Certificate of Analysis tied to its batch number. Spec match guaranteed or refund.
- Stable lead time
24h dispatch on stock SKUs from EU/US warehouses. 7–14 days for custom blends and oversized orders.
- Volume pricing
Transparent tier discounts published below. Above 25 tons we issue a project-priced PI within 48h.
- DG handling included
We arrange Class 8 / Class 3 hazardous shipping, IATA/IMDG packaging and origin certifications.
Material / core composition
PI 379 + TPO synergistic blend.
Applicable scenarios
- Deep-section UV cure
- Thick-film coatings
- Industrial 3D printing
- Optical materials
Storage & handling
Keep in original opaque packaging at 5–25 °C, away from direct sunlight, heat sources and oxidizers. For the EG (ethylene glycol) liquid grade, prevent freezing — store above 5 °C. Shelf life 24 months unopened. Suitable for ISO Class 7 cleanroom decanting for electronic-grade use.
Other grades of this compound
Same chemistry (CAS 119344-86-4), different purity / packaging.
LEDPhotoinitiator 379, LED-Optimised
PI 379 with chromophore tuning for peak 365–405 nm LED output. Designed for the modern UV-LED hardware generation.
Low migrationPhotoinitiator 379, Low-Migration
Polymer-bound PI 379 with migration rate ≤5 mg/kg. Designed for food-contact, cosmetic and medical packaging where leachables matter.
FDAPhotoinitiator 379, Food-Contact Grade
PI 379 meeting FDA 21 CFR 175.105 limits and heavy-metals ≤1 ppm. Approved for indirect food-contact UV inks and coatings.
LiquidPhotoinitiator 379EG (Liquid)
PI 379 pre-dissolved in ethylene glycol monoethyl ether for low-viscosity dosing. Drop-in for liquid UV-ink and spray-coat lines without the powder-handling step.