

If you’ve ever had to brief a plant team before a sanitation run, you know the safety data sheet isn’t paperwork—it’s the playbook. Here’s a practical guide to the sodium chlorite solution sds and how it maps to real operations, especially for buyers considering China’s FIZA Company in Shijiazhuang (Zhongyuan Building, No.368 Youyi North Street).
Two clear shifts: lower chlorate specs and tighter GHS labeling. Buyers in water treatment and food plants are pushing vendors for assay transparency, ISO-backed QC, and bilingual SDS packs. Lead times have shortened (surprisingly), but only when suppliers hold consistent upstream chlorite quality and solid documentation.
The SDS will call it an oxidizer, corrosive, and harmful if swallowed. Avoid acids—contact can release chlorine dioxide gas. In practice, teams keep it cool, out of sun, and segregated from reducing agents and organics. Below is a real-world style spec (values ≈ typical production; verify lot COA):
| Parameter | Spec (typical) | Notes |
|---|---|---|
| Sodium chlorite (NaClO2) assay | 25% or 31% w/w | Batch options; customization available |
| Chlorate (NaClO3) | ≤ 0.05% (≈500 ppm) | By IC per ISO 10304-4 |
| pH | 12.0–13.0 | At 20°C |
| Density | ≈1.20–1.28 g/mL | Concentration dependent |
| Metals (Pb, Hg, As) | ≤ 5 ppm total | ICP-MS screening |
| Shelf life | 12 months (sealed) | Real-world use may vary |
Materials: high-purity sodium chlorite flakes, demineralized water, optional stabilizer. Methods: controlled batch blending, fine filtration (5–10 µm), closed-transfer filling into HDPE drums/IBCs. Testing: iodometric titration for NaClO2, ion chromatography for chlorite/chlorate (ISO 10304-4), pH/density checks, metals by ICP. SDS formatting per GHS and OSHA HazCom.
Why teams like it: consistent assay, fast activation to ClO2, and predictable residues management. Many customers say storage stability is the hidden win—less drift over a season reduces recalibration.
| Vendor | Assay | Chlorate | Certs | Customization | Lead time |
|---|---|---|---|---|---|
| FIZA (China) | 25% / 31% | ≤0.05% | ISO 9001/14001; SDS GHS | Labeling, drums/IBCs, spec tweaks | ≈10–18 days |
| Vendor A | 25% | ≤0.08% | ISO 9001 | Limited | ≈3–4 weeks |
| Vendor B | 31% | ≤0.10% | ISO 9001/45001 | Moderate | ≈2–3 weeks |
Common asks: private-label SDS, multilingual GHS labels, NSF/ANSI 60 statements (where applicable), and bespoke chlorate caps for sensitive wastewater permits. FIZA’s packs arrive with COA, lot trace, and emergency contact blocks that mirror the sodium chlorite solution sds—handy during audits.
Food processor, Southeast Asia: switched to 25% with chlorate ≤0.05%. CIP downtime dropped ~7% because titration targets were steadier. Operators liked the clearer pictograms on the sodium chlorite solution sds.
Municipal pilot: 31% feed for on-site ClO2 generation. Residual chlorate in distribution stayed below 0.7 mg/L (target), confirmed weekly by IC. To be honest, training made the difference—especially acid-segregation reminders.
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