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Cas 70321-86-7 Technical Data Sheet | UV Absorber 234 Specs

Why Purity Variability Compromises Polymer Longevity in UV Stabilization

Inconsistent assay levels in Benzotriazole UV Absorber batches lead to premature degradation in high-performance polymers. Procurement teams require a reliable Tinuvin 234 Equivalent Drop-In Replacement Supplier to ensure batch-to-batch consistency and regulatory compliance.

Analytical Specifications and Verification Methods for CAS 70321-86-7

At NINGBO INNO PHARMCHEM CO.,LTD., we provide full COA verification for every shipment. The chemical structure 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol is critical for performance. Our product matches the strict 6-bis(1-methyl-1-phenylethyl)phenol specification requirements for industrial applications.

PropertySpecificationTest Method
AppearanceLight Yellow PowderVisual
Assay (HPLC)≥ 98.5%Internal QC
Melting Point135-140°CASTM D3461
Volatiles≤ 0.5%ISO 780
Transmittance≥ 95% (425nm)UV-Vis Spectro

Troubleshooting Common Impurities and Yield Issues

Managing Residual Solvents in Benzotriazole UV Absorber Production

High volatiles can cause voids in extrusion. Our technical data sheet outlines strict limits to prevent processing defects during polymer compounding.

Mitigating Color Body Formation During Synthesis

Thermal history impacts hue. Refer to our Uv Absorber 234 Formulation Guide For Polycarbonate for processing tips to maintain clarity and maximize UV-234 efficiency.

Factory-direct bulk pricing advantages and supply chain stability

As a global manufacturer, NINGBO INNO PHARMCHEM CO.,LTD. ensures bulk price stability and supply security. Our CAS 70321-86-7 inventory complies with 21 CFR 178.2010 for indirect food contact applications, offering a secure drop-in replacement for existing formulations.

Secure your supply chain with verified quality documentation and consistent manufacturing protocols designed for large-scale industrial use.

For custom synthesis requirements or to validate our drop-in replacement data, consult with our process engineers directly.