Products Description
Chlorine dioxide (CAS# 10049-04-4), with the molecular formula ClO₂ and a molecular weight of 67.45, is a compound that appears as a yellowish-green to orange-yellow gas with a pungent odor under normal temperature and pressure. In its liquid state, it is a reddish-brown liquid, while in solid form it presents as orange-red crystals. Since pure chlorine dioxide gas becomes explosive at concentrations above 10%, it is mainly used in the form of stable chlorine dioxide solutions or prepared on-site.
Chemical Properties
| Melting point | -59°C |
| Boiling point | 11°C |
| density | 3.09g/L |
| vapor pressure | 0-22900Pa at 20-25℃ |
| solubility | slightly soluble in H2O |
| form | orange-green gas |
| color | orange-green |
| Water Solubility | Soluble ºC |
| Exposure limits | TLV-TWA 0.1 ppm (0.3 mg/m3); (ACGIH, MSHA, OSHA, and NIOSH); TLV-STEL 0.3 ppm (ACGIH); IDLH 10 ppm (NIOSH). |
| Dielectric constant | 1.7（77.0℃） |
| Stability: | May decompose explosively on shock, friction or concussion, or on heating rapidly. Strong oxidant - reacts violently with combustible and reducing materials, and with mercury, ammonia, sulphur and many organic compounds. |
| LogP | -3.22--2.9 at 20℃ |
| CAS DataBase Reference | 10049-04-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Chlorine dioxide(10049-04-4) |
| EPA Substance Registry System | Chlorine dioxide (10049-04-4) |
Safety Information
| Hazard Codes | O,T+,N |
| Risk Statements | 6-8-26-34-50 |
| Safety Statements | 23-26-28-36/37/39-38-45-61 |
| OEB | C |
| OEL | TWA: 0.1 ppm (0.3 mg/m3), STEL: 0.3 ppm (0.9 mg/m3) |
| RIDADR | UN 9191 |
| Hazardous Substances Data | 10049-04-4(Hazardous Substances Data) |
| IDLA | 5 ppm |
Product Usage
The largest application of chlorine dioxide is in wood pulp bleaching, where it acts as a highly selective oxidizing agent for lignin. In the pulp industry, there has been a general shift away from using chlorine and hypochlorite as bleaching agents, with chlorine dioxide increasingly adopted as their replacement.
Company Profile
Shandong Rongsheng Chemical Co., Ltd. is a seasoned Chinese chemical supplier built upon solid factory collaboration resources. We dedicate ourselves to sourcing and delivering reliable chemical materials for global industrial clients, ranging from large‑scale manufacturers to medium‑sized processors and international traders. Our product lineup strictly follows platform backend classification standards, encompassing Auxiliaries, Organic Raw Material, Inorganic Salt, Catalysts, Food Additives, Daily Chemicals, Agricultural Chemicals, Pharmaceutical Raw Materials and Plant Extracts. Our materials are extensively used in plastic & rubber modification, paint & ink formulation, textile processing, ceramic production, personal‑care formula, food processing and fine‑chemical synthesis sectors.
Quality control sits at the core of our supply system. We carry out rigorous screening for source manufacturers, conduct spot checks for each production lot and perform pre‑shipment verification to keep stable product performance across different batches. By streamlining the whole supply chain, we avoid extra mark‑ups from multi‑level agents and bring customers cost‑effective purchasing options. We accommodate varied order volumes, including full bulk shipments, special packaging customization and trial sample supplies to meet clients’ different R&D and mass‑production needs.
Our cross‑border sales group consists of specialists familiar with chemical export business. We can respond swiftly to technical consultations, assist with sample logistics, prepare full sets of export papers and offer continuous after‑sales follow‑up. We keep well‑informed of mainstream international product specifications and logistics arrangements to smooth customers’ overseas procurement procedures.
Guided by credibility and mutual benefit, we focus on solving customers’ actual sourcing challenges rather than merely providing goods. We keep expanding our available product range and polishing our service workflow. We hope to grow hand‑in‑hand with worldwide partners and achieve sustainable win‑win cooperation.
