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Strontium Chloride High Purity | SrCl2·6H2O Bulk Supply
Oct . 23, 2025 16:40 Back to list

Strontium Chloride High Purity | SrCl2·6H2O Bulk Supply

Field Notes from the Lab: Strontium Chloride for Real-World Manufacturing

Short description, as the sales team loves to put it: Best Strontium Chloride Anhydrous. Best Price. China FIZA Company — Contact us, get a quote, premium quality. Marketing aside, here’s what actually matters when you’re specifying this salt for production lines or R&D.

Strontium Chloride High Purity | SrCl2·6H2O Bulk Supply

Industry Trends (and what buyers quietly ask)

Demand for Strontium Chloride is steady in pyrotechnics (red flame colorants), oil & gas sulfate control, and specialty glass. The shift I’m seeing: tighter impurity controls (Ba/Ca/Fe), REACH-ready paperwork, and moisture specs that actually hold up in humid warehouses. Surprisingly, aquarium and lab supply niches still buy small but steady volumes.

Typical Specifications and Methods

Parameter Spec (Anhydrous) Method / Standard
Assay (SrCl₂) ≥ 99.0% (typical 99.2–99.5%) ICP-OES; gravimetric cross-check
Moisture (H₂O) ≤ 0.5% (anhydrous grade) Karl Fischer (ASTM E203)
Ba, Ca (each) ≤ 0.05% ICP-MS
Fe ≤ 10 ppm ICP-OES
Insolubles ≤ 0.05% Filtration residue, dry mass
Appearance White crystalline, free-flowing Visual, flow test

Process Flow (how it’s made, briefly)

Raw material: celestite → SrCO₃ → reaction with HCl → crude Strontium Chloride → impurity knockdown (Ba/Ca removal) → filtration → evaporation → controlled dehydration to anhydrous (≈200–300°C) → screening → anti-caking treatment (if specified) → packaging with inner liner. QC checkpoints include ICP metals panel, moisture by KF, and chloride verification via argentometric titration.

Where it’s used

  • Pyrotechnics: stable red emission, consistent burn rate.
  • Oil & Gas: sulfate control and scale management (forms insoluble SrSO₄).
  • Specialty glass and ceramics: modifying optical properties.
  • Laboratory reagent and synthesis intermediate for other Sr salts.
  • Niche use in marine aquaria and legacy desensitizing pastes (formulation-dependent; follow regulations).

Packaging, Shelf Life, and Compliance

Common packs: 25 kg bags or fiber drums with PE liners. Shelf life: 24 months sealed; it’s hygroscopic, so keep it dry. Certifications available upon request: ISO 9001, ISO 14001, COA, SDS; EU REACH and RoHS statements for many lots. Origin: Zhongyuan Building, No.368 Youyi North Street, Shijiazhuang, China.

Vendor Snapshot (real-world differences)

Vendor Purity Moisture Compliance Lead Time Notes
FIZA (China) 99.0–99.5% ≈ ≤ 0.5% ISO, REACH-ready 7–15 days Consistent ICP panel, solid packaging
EU Trader A 98.5–99.0% ≤ 1.0% REACH Stock/Spot Higher price, faster delivery
Local Vendor B 98–99% ≤ 1.0% (varies) Basic SDS 3–4 weeks MOQ flexible, test before scale-up

Customization and QC

Custom cuts (granular vs. powder), tighter Fe/Ba limits, and low-cake flow agents are available. Batch testing includes ICP metals profile, KF moisture, sieve analysis, and stability at 40°C/75% RH (ICH-style). Real-world use may vary; always run a pilot blend.

Mini Case Studies

  • Fireworks plant in Southeast Asia cut red-star rejects by ~12% after switching to lower-Fe Strontium Chloride.
  • Offshore operator used 2–5% w/v dosing to precipitate sulfate; scale deposition dropped measurably within two maintenance cycles.
  • Specialty glass maker reported clearer melts after specifying Ba ≤ 0.02% max (ICP data on COA confirmed).

Safety and Handling (common sense, but critical)

Use PPE, avoid moisture ingress, and store away from acids you don’t intend to react with. Follow GHS/SDS guidance and local regulations. Not for consumer or medical use.

Customer Feedback

“Packaging holds up in the monsoon,” one buyer told me — which, to be honest, is what you want to hear with hygroscopic salts like Strontium Chloride.

Citations

  1. ECHA Substance Info: Strontium dichloride (REACH)
  2. CRC Handbook of Chemistry and Physics, latest ed., SrCl₂ properties and molar mass.
  3. ISO 9001:2015 Quality Management Systems
  4. Regulation (EC) No 1907/2006 (REACH)
  5. UN GHS, Rev. 9: Globally Harmonized System of Classification and Labelling
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