Magnesium fluoride serves dual roles: as a bath additive in aluminium smelting to control bath chemistry, and as the industry-standard anti-reflective coating material for optical lenses due to its low refractive index (1.38).

| Purity | 98–99.5% |
| Appearance | White powder |
| Melting Point | 1263°C |
| IUPAC Name | Magnesium fluoride |
| Molecular Weight | 62.30 g/mol |
| Grades Available | Technical / Optical-Grade / Welding-Flux Grade |
| HS Code (Export) | 28261990 |
| SB Chemicals SKU | SBF-1046 |
Independent verification of Magnesium Fluoride on third-party scientific databases:
Yes. Optical-grade MgF₂ is supplied at 99.9% min purity with controlled Fe, Cu, and Cr impurities, low oxide content, and consistent particle morphology suitable for vacuum-deposition AR coating. Both granular and pre-pressed compact forms are available.
Magnesium Fluoride is supplied in HDPE woven bags with inner LDPE liner (25 kg / 50 kg net), HDPE drums (25 / 50 / 250 kg), and FIBC jumbo bags (500 / 1000 kg) for solid grades. Liquid grades ship in HDPE-lined steel drums (250 kg) or 1000 L IBC totes. Custom packaging — including nitrogen-blanketed, moisture-tight, or food-grade containers — is available on request.
Standard MOQ is 1 metric tonne for solid grades and 200 kg for liquid grades; pilot quantities of 5–25 kg are available for R&D qualification. Stock items dispatch within 7–10 working days from confirmed PO. Made-to-order grades and large export consignments require 3–4 weeks. Indian deliveries by road typically reach 4–7 days; export FCL shipments depend on destination port.
Yes. A 16-section GHS-format SDS is dispatched with every shipment and is also available in advance from marketing@sbfluorochem.com. A batch-specific COA accompanies every consignment and is emailed before dispatch for goods-receipt verification. Test methods follow IS / ASTM / USP / IP / EP as applicable.
SB Chemicals exports to over 35 countries across South-East Asia, the Middle East, Africa, Europe, and the Americas. We hold IEC, GST, and APEDA registrations. Shipments move CIF / FOB / CFR / FCA / EXW from Mundra, Nhava Sheva (JNPT), or Hazira ports. Letter of Credit (LC), TT, and DA terms are accepted subject to credit approval.
Yes. SB Chemicals operates an ISO 9001:2015 certified Quality Management System at the GIDC Vapi facility. Every batch undergoes raw-material testing, in-process control, and final QC release before despatch. Clients are welcome to schedule a third-party audit of the plant.
Magnesium fluoride, formula MgF2, formula weight 62.30 g/mol. White or colourless crystalline solid, tetragonal rutile-type crystal structure. Density 3.15 g/cm3. Melting point 1263°C, boiling point 2260°C. Solubility in water only 0.013 g/100mL at 25°C — practically insoluble. Refractive index 1.378 (the lowest among common optical materials, making it the standard AR-coating substrate). Optical transmission window: 0.12 to 7 microns.
Industrial grades conform to generic supplier specifications. Optical grades meet MIL-PRF-13830B (Optical Components for Fire-Control Instruments) and ASTM F2127 (Standard Specification for Optical Magnesium Fluoride). Aluminium-smelter additive grade conforms to internal smelter specifications. Pharmacopeial grades not commonly specified for this compound.
CAS 7783-40-6. Non-hazardous in standard transport classifications — no UN number, no GHS pictograms required for typical commercial grades. REACH registered (EC 232-001-9). TSCA listed. Non-restricted under RoHS, ELV, and consumer-product regulations. Hygroscopic only at high temperatures (above 600°C); below that, completely stable in air.
| Grade | Typical Specification | Common Use |
|---|---|---|
| Technical | 95-98% | Aluminium-smelter bath additive |
| LR / AR | 99-99.5% | Laboratory reagent |
| Optical-Grade Powder | 99.9%+ | Optical-coating evaporation feedstock |
| Optical Pellets | 99.99% pre-formed | AR-coating chamber pellets |
| Single-Crystal Feed | 99.99%+ low-OH | Lens-grade single-crystal growth |
For peer-reviewed property data, regulatory listings, and structure verification: