Buy Ferric Chloride Solution (FeCl₃ 36%–40%) — Wastewater Coagulant | Direct Manufacturer Loc Thien
Loc Thien Chemical is Vietnam's direct manufacturer of Ferric Chloride (FeCl₃ 36%–40%, CAS 7705-08-0) for industrial wastewater coagulation & phosphorus removal (3,000+ tons/month). Dedicated 5–30 ton tankers, batch COA/SDS, 15-minute quote: +84 979 891 929.
🔎 B2B Technical Grade Selection — Choose the Correct Ferric Chloride (FeCl₃) Grade:
- Wastewater Coagulation, Phosphorus Removal & Sludge Conditioning: FeCl₃ 36%–40% Liquid (Direct Manufacturer — Loc Thien Vietnam) — Bulk 5–30-ton tankers, 1,000 kg IBCs & 30 kg drums; technical quotation within 15 minutes.
- High-Precision PCB Copper Etching & Stainless Steel Photo-Etching: FeCl₃ 40% Electronic Etching Grade (Imported from India) — Ultra-low heavy metal impurities, stable Baumé 42–43 °Bé, uniform etch factor.
Ferric Chloride Solution (FeCl₃ 36%–40%) is a heavy dark-brown liquid coagulant (CAS 7705-08-0, UN 2582) directly manufactured in Vietnam by Loc Thien Chemical with a synthesis capacity exceeding 3,000 metric tons per month (Direct Manufacturer). Featuring an active concentration of 36%–40% (verified per batch COA) and a specific gravity of 1.38–1.45 g/cm³, our industrial Ferric Chloride is engineered for high-rate coagulation, textile dyeing decolorization, phosphorus precipitation (FePO₄), H₂S odor control, and sludge conditioning in municipal and industrial wastewater treatment plants (WWTPs). Backed by 6 national warehouse hubs and a dedicated fleet of 5–30-ton specialized chemical tankers, Loc Thien delivers factory-direct pricing, lot-by-lot COAs, and technical quotations within 15 minutes.
Product Line Separation Note: This product is Loc Thien's factory-direct Wastewater Treatment Coagulant Grade (FeCl₃ 36%–40%). For precision copper etching in printed circuit board (PCB) and microelectronics manufacturing requiring ultra-low ferrous iron (Fe²⁺ < 0.10%), please select our dedicated imported grade: FeCl₃ 40% PCB Etching Grade (Imported from India).
Ferric Chloride FeCl₃ 36%–40% Technical Specifications (Direct Manufacturer)
Loc Thien's wastewater-grade Ferric Chloride is synthesized directly in Vietnam under strict batch quality control to meet QCVN 40:2025/BTNMT industrial effluent treatment standards:
| Parameter | Technical Specification | Test Method |
|---|---|---|
| Chemical Name | Ferric Chloride Liquid / Iron(III) Chloride Solution | IUPAC Standard |
| Chemical Formula & Molecular Weight | FeCl₃ (MW: 162.20 g/mol) | Chemical Analysis |
| CAS Registry Number | 7705-08-0 | CAS Registry |
| UN Transportation Number | UN 2582 (Class 8 Corrosive Liquid, PG III) | ADR / IMO Transport Standard |
| FeCl₃ Active Concentration | 36.0% – 40.0% (Verified per batch COA) | Redox Titration Method |
| Total Iron (Fe) Content | ≥ 12.4% – 13.8% min | Titrimetric Analysis |
| Ferrous Iron (Fe²⁺) Content | ≤ 0.15% max | Spectrophotometric / Titration |
| Specific Gravity (20°C) | 1.38 to 1.45 g/cm³ (per batch COA) | Hydrometer (ASTM D1298) |
| Physical Appearance | Dark reddish-brown viscous liquid | Visual Inspection |
| pH Value (Neat) | < 1.0 (Strongly acidic) | Electrometric Glass Electrode |
| Free Acid (as HCl) | ≤ 1.0% to 1.5% | Acid-Base Neutralization |
| Insoluble Matter | ≤ 0.20% max | Gravimetric Filtration |
| Manufacturing Status | Direct Manufacturer in Vietnam (3,000+ tons/month) | Loc Thien Chemical Synthesis Plant |
| Packaging & Fleet Delivery | 30L Carboys, 200L Poly Drums, 1,000L IBC Totes, 5–30-Ton Tankers | Dedicated Acid-Proof Equipment |
Reaction Mechanisms & Industrial Wastewater Applications
1. Rapid Flocculation & Decolorization in Textile, Paper, and Electroplating Effluent
Upon dosing into industrial wastewater, Ferric Chloride dissociates completely (FeCl₃ → Fe³⁺ + 3Cl⁻) and hydrolyzes through rapid stages to precipitate dense, insoluble Ferric Hydroxide flocs:
The heavy Fe(OH)₃ flocs settle 2–3 times faster than alum or PAC flocs across a wide pH window (pH 4.5–9.0), neutralizing negatively charged reactive dye molecules and colloidal COD. For detailed dosage optimization, see our Industrial FeCl₃ Wastewater Application & Dosing Guide.
2. Chemical Phosphorus Removal (FePO₄ Precipitation)
Soluble orthophosphates in municipal and industrial wastewater react stoichiometrically with ferric ions to form insoluble ferric phosphate (FePO₄), reliably driving total phosphorus (TP) below 0.5 mg/L to meet Class A discharge limits under QCVN 40:2025/BTNMT:
3. Industrial H₂S Odor Abatement & Sludge Conditioning
FeCl₃ precipitates toxic and corrosive hydrogen sulfide (H₂S) in anaerobic lines and conditions biological sludge prior to belt-press or filter-press dewatering:
4. Separate Imported Product Line for Electronic PCB Copper Etching
For high-density printed circuit board (PCB) and lead-frame copper etching requiring ultra-low ferrous iron (Fe²⁺ < 0.10%), high specific gravity (1.46–1.48 g/cm³), and ppm-level heavy metal limits, Loc Thien supplies a separate dedicated imported product line: FeCl₃ 40% PCB Etching Grade (Imported from India).
Storage Engineering & Corrosion Prevention
- Bulk Storage Materials: Ferric Chloride is strongly acidic and corrosive toward metals. Storage vessels must be constructed from Fiberglass Reinforced Plastic (FRP), High-Density Polyethylene (HDPE), PP, or Rubber-Lined Steel. Carbon steel and stainless steels (SS304, SS316) are strictly prohibited due to severe chloride pitting.
- Piping & Dosing Systems: Utilize Schedule 80 UPVC/CPVC, PVDF, or PTFE-lined piping with PTFE/PVDF diaphragm metering pumps.
- Personal Protective Equipment (PPE): Operators must wear chemical splash goggles, face shields, acid-resistant butyl/neoprene gloves, and rubber boots during tanker unloading.
Frequently Asked Questions (FAQ)
Q1: Why buy Ferric Chloride 36%–40% directly from Loc Thien's manufacturing plant?
A: As a Tier-1 bulk supplier in Vietnam with 3,000+ tons/month capacity, Loc Thien eliminates middleman markups, guarantees uninterrupted supply during peak seasons, and provides batch-specific COA and GHS-compliant 16-section SDS with every shipment.
Q2: How does Ferric Chloride compare against Poly Aluminium Chloride (PAC) for wastewater coagulation?
A: While PAC powder performs well in moderate turbidity water, Ferric Chloride 36%–40% produces significantly denser flocs that settle faster in high-COD textile dyeing, paper mill, and electroplating effluent, while offering superior phosphate precipitation and H₂S odor control.
Q3: What tanker unloading connections are equipped on your vehicles?
A: Our dedicated 5–30-ton chemical tankers feature acid-resistant camlock quick-disconnect fittings (DN50/DN80) and onboard chemical transfer pumps for direct, closed-loop discharge into elevated plant storage tanks.
Q4: How quickly can bulk deliveries be fulfilled across Vietnam's industrial parks?
A: Through our 6 strategic warehouse hubs (Ba Ria - Vung Tau, Dong Nai, Binh Duong, Da Nang, Can Tho, Bac Ninh), orders are delivered within 4 hours inside Ho Chi Minh City, 24–48 hours to Southern and Mekong Delta industrial parks, and 2–3 days to the North and Central regions (contact hotline 0979 891 929 for detailed delivery procedures).
Request Factory-Direct Ferric Chloride (FeCl₃ 36%–40%) Quotation
Connect directly with Loc Thien's chemical engineering sales team for 15-minute quotation response and batch COA verification.
Hotline: +84 979 891 929 | Email: [email protected] | WeChat Portal: WeChat Official B2B