Sodium chlorate
Sodium chlorate (CAS 7775-09-9, NaClO3) is a white crystalline solid. It is a strong oxidizing agent and an essential inorganic salt. Widely used in the chemical industry, it serves as a key precursor for the production of chlorine dioxide, a vital bleaching agent for pulp and paper. It also finds application in the synthesis of other chemicals and as a herbicide in specific contexts.
Pulp and Paper Bleaching
Sodium chlorate is the primary feedstock for the on-site generation of chlorine dioxide (ClO2). Chlorine dioxide is a highly effective bleaching agent for wood pulp, producing high-quality paper with excellent brightness and minimal environmental impact compared to older chlorine-based methods.
Chemical Synthesis
It acts as a powerful oxidizing agent in various chemical syntheses. Its ability to readily donate oxygen makes it useful in reactions requiring controlled oxidation, contributing to the production of diverse chemical intermediates and final products.
Herbicide
In certain agricultural and industrial settings, sodium chlorate has been employed as a non-selective herbicide. Its oxidizing properties disrupt plant cell processes, leading to desiccation and death of unwanted vegetation. However, its use is regulated due to environmental and safety concerns.
Oxidizing Agent
Beyond specific applications, sodium chlorate functions broadly as a strong oxidizer in industrial processes. This property can be leveraged in applications such as mining and metal processing where controlled oxidation is required.
| Molecular weight | 106.44 |
|---|---|
| Linear formula | NaClO3 |
| Assay | ≥99.0% |
| Grade | ACS reagent |
| Impurities tested | ≤0.001% N compounds≤0.005% insolubles |
| Melting point | 248-261 °C(lit.) |
Hazard statements
- H271May cause fire or explosion; strong oxidiser
- H302Harmful if swallowed
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P220Keep away from clothing and combustible materials
- P273Avoid release to the environment
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1495 5.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | O,Xn,N |
| Risk statements (R) | 9-22-51/53 |
| Safety statements (S) | 13-17-46-61 |
| Cation traces | Ca: ≤0.005%Fe: ≤5 ppmK: ≤0.01%Mg: ≤0.002%heavy metals (as Pb): ≤0.001% |
| Anion traces | bromate (BrO3-): ≤0.015%chloride (Cl-): ≤0.005%sulfate (SO42-): ≤0.001% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium Chlorate used for?
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Sodium chlorate is primarily used for the production of chlorine dioxide for pulp bleaching. It also serves as an oxidizing agent in chemical synthesis and has historical use as a herbicide.
What are the CAS number and formula for Sodium Chlorate?
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The CAS number for Sodium Chlorate is 7775-09-9, and its linear formula is NaClO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium Chlorate in ACS reagent grade with an assay of ≥99.0%. We do not represent this product as USP, BP, or EP grade.
How should Sodium Chlorate be handled safely?
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Sodium chlorate is a strong oxidizer (H271) and harmful if swallowed (H302), and toxic to aquatic life with long-lasting effects (H411). Handling requires appropriate personal protective equipment, including eyeshields and gloves, and avoidance of contact with combustible materials. Always consult the Safety Data Sheet.
How is Sodium Chlorate packed and shipped?
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Sodium Chlorate is shipped as UN 1495, Hazard Class 5.1, Packing Group II, adhering to strict international regulations for the transport of oxidizing substances. TSS ensures compliant packaging for global export.
How can I request a quote or sample for Sodium Chlorate?
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To request a quote or sample for Sodium Chlorate, please contact our sales team through the website or by phone. Provide your details and the required quantity.
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