Shandong Raytop Chemical Co., Ltd.

Shandong Raytop Chemical Co., Ltd. is based in China and lists ten active products in its online catalogue. All listed items belong to the optical brightening agent segment of the Chemicals & Allied Products category. The majority of the entries are recorded under HS code 3204.20, which classifies fluorescent brightening agents within chapter 32 of the Harmonized System. The catalogue includes both bis‑benzoxazole derivatives and stilbene‑based agents, reflecting the chemical diversity of optical brighteners. The supplier’s trust tier is recorded as “harbor”, indicating a mid‑level verification status on the platform.

The product list comprises Optical Brightening Agent Ob‑1, Ob, Fp‑127, several variants of OB 184, and agents designated Ksn, each identified by its trade name. Chemically, Ob‑1 is a bis‑benzoxazole derivative, while Ob and Fp‑127 are stilbene derivatives used as fluorescent whitening agents. In the broader market, optical brighteners are typically supplied with purity levels ranging from 95 % to 99 % and are water‑soluble at concentrations up to 1 % w/w. Buyers often require specifications such as UV‑absorption peak around 365 nm, low haze, and compatibility with cellulose‑based fibers or synthetic polymers. Standard packaging for these chemicals includes 25 kg drums, 1‑ton IBCs, or bulk shipments in 20‑ft or 40‑ft containers.