

Short Description: Best sodium isopropyl xanthate. Best Price. China FIZA Company. Contact us with any questions. Get a Quote from Us! Premium Quality. Origin: Zhongyuan Building No.368 Youyi North Street, Shijiazhuang, China.
If you’ve spent time around copper or zinc circuits, you already know the quiet workhorse here is sodium isopropyl xanthate (often called SIPX). It’s a robust collector—stronger than some ethyl grades, milder than the amyl sledgehammer—great for sulfide ores where selectivity still matters. And, to be honest, the market has shifted: mines want cleaner handling, predictable specs, and vendors who answer the phone at 2 a.m. when pH drifts.
Three things I keep hearing: pellets for safer handling, trace-moisture control, and tighter assay windows. ESG pressure is nudging suppliers to reduce residual CS2 and improve packaging integrity—jumbo bags with better liners, less dust. Surprisingly, many customers say switching to pelletized sodium isopropyl xanthate cut housekeeping time by 20–30%.
| Property | Spec (≈ typical) | Test/Reference |
|---|---|---|
| Assay (as C4H7OS2Na) | ≥ 90–92% | Iodometric titration; industry practice [2] |
| Moisture | ≤ 4.0% | Karl Fischer (internal SOP) |
| Free alkali (as NaOH) | ≤ 0.5% | Acid-base titration |
| Form | Pellets or powder; yellowish | Visual, sieve analysis |
| Packaging | 25 kg bags; 850–900 kg FIBCs | Supplier CoA |
| Shelf life | ≈ 9–12 months, sealed & dry | Storage SOP; SDS [1] |
sodium isopropyl xanthate is produced by reacting isopropanol with sodium hydroxide to form the alkoxide, then carbon disulfide (CS2) is added under controlled temperature in an inert, closed system. The product is filtered, dried, and pelletized or milled. QA checks include assay by iodometric titration, moisture by Karl Fischer, free alkali, and sieve/flow tests. Plants following ISO 9001 tend to keep batch-to-batch variability tight. Safety note: CS2 handling requires strict ventilation and monitoring [4].
| Vendor | Origin | Purity | Form | Certs | Lead Time | Support |
|---|---|---|---|---|---|---|
| FIZA (China) | Shijiazhuang | 90–92% | Pellet/Powder | ISO 9001; SDS | ≈ 7–14 days | Lab dosage advice |
| Vendor A | EMEA | 88–92% | Pellet | ISO; REACH | ≈ 2–3 weeks | On-site start-up |
| Vendor B | APAC | 90% | Powder | ISO | ≈ 10–20 days | Email-only |
Open-pit Cu-Zn, LATAM: swapping to pelletized sodium isopropyl xanthate at 60–80 g/t trimmed reagent loss and lifted Cu recovery by ≈1.1% over six weeks (same grind, pH 10.5). Operators liked the cleaner dosing.
Underground Pb-Zn, EMEA: a mild increase in collector strength versus ethyl xanthate improved Pb rougher kinetics; Zn depression held steady with lime. Lab-to-plant scale-up matched within ±0.2% recovery—rare, but nice when it happens.
Expect ISO 9001 QMS, updated SDS (GHS), and—where applicable—REACH-style documentation. Safe storage: cool, dry, away from acids/oxidants; keep sealed. Usual PPE, and mind the CS2 story in manufacturing—ventilation matters.
Call to action: Want plant-ready sodium isopropyl xanthate with steady supply? FIZA, Shijiazhuang—Get a quote and a quick assay sheet the same day.