FERRIC CHLORIDE- ▸ Water treatment: coagulant and flocculant for sewage and industrial wastewater
- ▸ Etching: etchant for engraving, photoengraving and printed circuit boards
- ▸ Catalysis: Lewis-acid catalyst and chlorinating/oxidizing agent
- ▸ Textiles: mordant in dyeing and finishing
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
Request SDS →
Transport classification per the UN Model Regulations / 49 CFR 172.101 Hazardous Materials Table. Confirm against the grade-specific SDS (Section 14) before shipping.
Ferric chloride (iron(III) chloride, CAS 7705-08-0) is an inorganic iron salt supplied in solid and solution grades. It is widely used for sewage and industrial wastewater treatment, as an etchant for engraving and printed circuitry, as a mordant, and as a catalyst, oxidizing and chlorinating agent.
Regulatory & registration requirements
- TSCA (US):
- REACH (EU):
- EC number: 231-729-4
Source: EPA TSCA Inventory (July 2025 release) · ECHA CHEM — retrieved 2026-07-12
Solutions Using This Product
Process-solution guides on this site that specify this chemistry:
- Oil & Grease Removal: Demulsifiers & Coagulants (Water Treatment)
- Produced Water Treatment Chemicals (Oil, Gas & Mining)
- Process-Water Recycle Treatment for Mining (Oil, Gas & Mining)
Frequently Asked Questions
What is ferric chloride used for?
Ferric chloride (iron(III) chloride, CAS 7705-08-0) is used as a coagulant and flocculant in sewage and industrial wastewater treatment, as an etchant for engraving and printed circuit boards, as a Lewis-acid catalyst and chlorinating/oxidizing agent, and as a textile mordant. Water treatment and etching are the highest-volume applications.
Is ferric chloride supplied as a solution or a solid?
Both. We supply solid (anhydrous/hexahydrate) and aqueous solution grades; solution grades are common for water-treatment dosing. Specify concentration and grade on your RFQ.
What concentration is ferric chloride etching solution?
Etching grades are supplied as aqueous solutions; the working concentration depends on the substrate and process. State your target Baume/concentration and intended substrate on the RFQ so we can match the correct grade.
What is the cost of bulk ferric chloride?
Pricing depends on grade (solid vs solution), concentration, and packaging (drums, totes, or bulk). Request a bulk quote with your volume and delivery point for current pricing.
What are the UN number and HS code for shipping ferric chloride?
Ferric chloride ships under UN 1773. The HS classification is 2827.39. A current SDS with full transport and handling information is provided with each shipment.
What is the REACH and TSCA regulatory status of Ferric Chloride (Iron(III) Chloride)?
Ferric Chloride (Iron(III) Chloride) (CAS 7705-08-0) is subject to U.S. TSCA Inventory requirements; supplying it into the EU requires valid REACH registration ((EC) No 1907/2006). RawSource cannot verify a third-party supplier's registrations — buyers should require documented TSCA and REACH compliance for their jurisdiction and volume (EC 231-729-4).