ultraviolet absorbents uv-9
post date: dec 14,2021 expiry date: jun 12,2022 detailed description: cas no. :131-57-7 specs:yellowish crystalline powder payment method: tt l/c property : yellowish crystalline powder, freely soluble in most organic solvents, not soluble in water. specification : content ≥99 % melting point : 62~65°c loss on drying(55±2°c) ≤0.3% content of ash: ≤0.1% light transmittance(290-400nm)≥ 93…
