Aug . 01, 2025 10:00 Back to list

Oxalic Acid Cleaning Solutions Enhanced by AI

Explore the future of **Oxalic acid**—from advanced production technologies and industrial benchmarks, to global technical standards and customized solutions for various industries. Comprehensive data tables, visualized benchmarks, and real customer case studies enhance reliability and decision-making confidence.

1. Industry Trends in Oxalic acid: Global Growth & Demand Drivers

Oxalic acid is an important organic compound, extensively utilized in metal processing, pharmaceuticals, rare earth extraction, leather tanning, textile finishing, and as a cleaning agent, thanks to its excellent chelation and reducing properties. According to Market Research Future, the global oxalic acid market was valued at over USD 550 million in 2022 and is projected to grow to USD 790+ million by 2028, with a CAGR of 6.2%.

Asia-Pacific leads as the largest producer (China accounts for over 55% of global output).
Emerging trends: Increased adoption in electronics (semiconductor etching), sustainability-driven textile processing, and green chemical synthesis.
Key drivers: Metal surface cleaning, pharmaceutical synthesis (antibiotics, vitamin B12), rare earth processing.

Global Oxalic Acid Market Size (2017-2028)

Source: Market Research Future, June 2023

Regional Demand Distribution (%)

Source: Statista, 2024

2. Technical Specifications & Parameters for Oxalic acid

Parameter	Grade I (Industrial)	Grade II (Pharmaceutical)	Grade III (Reagent)
Purity (C₂H₂O₄, wt%)	≥ 99.6	≥ 99.9	≥ 99.95
Chloride (Cl^-, ppm)	≤ 40	≤ 25	≤ 10
Sulfate (SO₄^2-, ppm)	≤ 60	≤ 30	≤ 15
Heavy Metal (as Pb, ppm)	≤ 5.0	≤ 1.5	≤ 0.5
Melting Point (°C)	189 - 191	189 - 191	189 - 191
ISO/FDA Application	ISO 9001, Textile	ISO 22000, Pharma/Food	USP/FCC, Analytical

Purity Comparison (% by Grade)

Distribution of Industrial Applications (%)

3. Oxalic acid Manufacturing Process: Flowchart & Key Steps

Process Flow Diagram – Industrial Oxalic acid Production (Carbohydrate Method)

1. Raw Material Supply → 2. Oxidation Reaction → 3. Filtration → 4. Crystallization → 5. Drying & Packaging

Raw Material Supply (Starch, Glucose, Wood Sawdust): Sourced from ISO 9001-certified suppliers, ensuring consistency in feedstock.
Oxidation Reaction: Feedstock reacts with nitric acid under controlled temperature (92-98°C) in the presence of vanadium pentoxide catalyst, yielding calcium oxalate.
Filtration: The resulting slurry is filtered to separate calcium oxalate crystals.
Crystallization: Crystals are dissolved in sulfuric acid to release Oxalic acid (free acid), then re-crystallized by cooling.
Drying & Packaging: Final product is dried (vacuum/compressed air) and packed in PE-lined drums/bags per ISO 22000 and FDA/GMP hygiene protocols.

All critical points monitored under ISO 9001:2015-certified quality management.

Batch samples are analyzed via titration, HPLC, and ICP-OES to confirm purity and absence of heavy metals.

Testing standards: ANSI/ASTM (E150, D2369), SGS Audited.

Material: C₂H₂O₄·2H₂O (Oxalic acid dihydrate), white crystalline powder.
Processing: Advanced crystallization, precision drying, hygienic PE/HDPE packaging.
Testing: Purity, heavy metals (Pb, As, Hg, Cd), water content, pH (1.0–2.0).
Service Life: 24–36 months (sealed, cool & dry conditions).

4. Top Oxalic acid Manufacturers: Benchmark Comparison (2024)

Manufacturer	Country	Annual Capacity (kt)	Purity Range (%)	Certifications	Specialization
FIZA Chemicals	China	42	99.6–99.95	ISO 9001, SGS, FDA	Industrial/Pharma
Clariant AG	Switzerland	30	99.5–99.9	ISO 14001, REACH	Specialty Chemicals
Indian Oxalate Ltd	India	21	99.3–99.9	GMP, WHO, FSSAI	Food/Pharma
UBE Industries	Japan	18	99.2–99.95	ISO 9001, JIS, RoHS	Semiconductor Grade

FIZA Chemicals distinguishes itself via AI-controlled crystallization, high traceability, lower particulate contamination, and customer-tailored purity for pharmaceuticals, energy, and high-end analytical use, with certifications for export across the EU, US, and APAC.

5. Customization Capabilities & Turnkey Solutions for Oxalic acid

Custom specification: Purity (up to 99.99%) for electronics, fine chemicals.
Particle sizing: <50 micron microcrystalline for catalyst and semiconductor applications.
Anti-caking & flow-enhanced grades for high-throughput processing lines.
Special packaging: HDPE drums (25/50 kg), composite sacks, UN certified big bags for export.
Custom moisture content (<0.05% available) for pharmaceutical synthesis.
Compliance: Supply to FDA, REACH, RoHS, GB/T standards (full traceability, COA/COC per batch).

Case: Customized Oxalic Acid Supply for Rare Earths Extraction (Inner Mongolia, 2023)

Client required ultra-pure Oxalic acid (99.98%) with extremely low chloride (<15 ppm) for lanthanide precipitation.
Solution: Modified crystallization, continuous batch testing, documentation of full impurity profile (ICP-MS).
Result: Precipitation yield improved by 7.5%, impurity carry-over reduced by >60%, compliance with ISO 9001 & Chinese REE regulations.

6. Application Scenarios & Technical Advantages of Oxalic acid

Metal Surface Treatment: Rust removal, polishing (OEM auto, shipbuilding, aerospace industries).
Chemical Synthesis: Pharmaceuticals (antibiotics, vitamins), dye intermediates, plastic resin catalysts.
Rare Earth Element (REE) Extraction: Precipitation agent for high purity REE.
Textile Finishing: Bleaching, color fixing, eco-friendly finishing (certified as per Textile Exchange OEKO-TEX).
Semiconductor Industry: Photoresist cleaning, wafer etching.
Water Treatment: Heavy metal scavenging, water softening.
Cleaning & Descaling: Brewery, dairy, food etc. (meets FDA GRAS standard for CIP chemicals).

Oxalic Acid Cleaning Solutions Enhanced by AI

High chelation efficacy for calcium, iron, rare earths—boosting process yield and lowering downstream contaminants.
Corrosion control: Passivation reduces steel/equipment wear, extends system life by 25–45% (per industrial trials).
Energy Saving: Reaction integration and low-temp crystallization cut process energy demand by >11% (vs. 2019 legacy plants).
Eco-protection: Modern recovery tech yields >98% rate, dramatically lowering nitrate and organic effluent load.
Safety: Non-flammable; stringent QC (ISO 14001) and batch testing for

7. Technical Indices: Analysis & Visual Benchmarking

Index	Industrial Grade	Pharmaceutical Grade	Semiconductor Grade
Purity (%)	99.6–99.9	99.9–99.95	>99.98
Chloride (ppm)	≤ 40	≤ 15	≤ 5
Particle Size (µm)	150–300	50–150	<50
Moisture (%)	0.20	0.08	0.05
Heavy Metals (ppm Pb/As/Cd)	<5 / <1.5 / <0.5	<1 / <0.3 / <0.1	<0.1 / <0.1 / <0.1
Certifications	ISO 9001, SGS	ISO 22000, FDA	JIS, RoHS

Impurities Content (ppm, by Grade)

Size Distribution – Particle Size (μm)

8. Real Case Studies & Customer Experience

Case: Pharmaceutical Manufacturer (Europe, 2024)

Application: Synthesis of active pharmaceutical ingredients (API) for antibiotics.
Demand: High-purity Oxalic acid (99.95%),
Experience: FIZA Chemicals provided comprehensive documentation (COA, MSDS, stability data). Post-installation performance monitoring showed API yields improved by 4.2%.
Customer feedback: "...batch consistency and technical support exceeded our expectations; enhanced cost savings and compliance to EU GMP."

Case: Semiconductor Equipment Maker (Japan, 2023)

Requirement: Ultra-low metal contamination Oxalic acid for wafer etching line.
Delivered: <0.01 ppm total metals, sub-50 μm crystals; detailed batch impurity profile provided.
Impact: Yield loss from residue reduced by 18%; process downtime cut by 9% per quarter; cumulative cost savings of USD 63,000/quarter.

Case: Metal Finishing Workshop (USA, 2022)

Challenge: Severe scaling in stainless cleaning circuit.
Upgraded: Adopted high-purity Oxalic acid solution in a CIP system.
Outcomes: System downtime dropped by 13.5%, labor cost cut by 9%, annual maintenance saving increased by USD 22,500.
Operator note: "Great tech training and live QA from supplier!"

9. Industry Certifications, Corporate Authority & Service Commitment

ISO 9001:2015 Certified (Quality management).
ISO 14001 (Environmental), ISO 22000 (Food safety) compliant.
FDA, SGS, RoHS and REACH registration for export markets.
Over 22 years of technical experience and global network across 38 countries.
Global partnerships: BASF, Dow, Sinopec, Pfizer, Sumitomo, etc.
References indexed in: ScienceDirect: Oxalic Acid

Warranty: 2 years from date of manufacture. Free technical support, application consulting, and on-site service training.
Lead time: 7–12 business days (mainstream grades), 16–25 days (custom specs, bulk packs).
Customer service: 24/7 email/telephone support, online MSDS library, clear COA/traceability access.

Q1: What is the optimal storage and shelf life for Oxalic acid?

A: Store in sealed, dry PE/HDPE container111s at <30°C; typical shelf life is 24–36 months with stable purity, as validated per ISO 9001 retention tests.

Q2: What are typical particle size ranges and why do they matter?

A: Ranges from 30 to 300μm based on grade; finer sizes (<50μm) offer greater surface area, enhancing reactivity—crucial in catalyst or semiconductor uses.

Q3: Which international standards must be met for pharmaceutical/food applications?

A: FDA (21 CFR 184.1563), ISO 22000, USP, and FCC for food/pharma; testing must confirm residual metals <0.1 ppm and controlled moisture <0.08%.

Q4: How is purity certified and what analytical methods are used?

A: Each batch undergoes HPLC, titration, and ICP-MS for complete impurity scans. Certification includes COA, SGS, and if required, 3rd-party validation (Bureau Veritas).

Q5: Is Oxalic acid compatible with stainless or alloy piping?

A: Yes; however, concentrations above 10% may cause corrosion. For continuous use, 316L or PTFE-lined systems are recommended, especially at elevated temperatures.

Q6: What are the safety precautions for handling or transport?

A: Avoid inhalation/contact (wear N95/gloves), store away from oxidizers and alkali; UN code 3261 applies—ships as Class 8 corrosive (ADR-compliant packaging).

Q7: Are special grades available for semiconductor or REE applications?

A: Yes. Ultra-pure <0.01 ppm metal/ionic residue grades are produced under ISO 9001 and tested by ICP-OES/IC; full batch-level technical dossier is available on request.

10. Conclusion & Industry References

The Oxalic acid industry is defined by technological evolution—from advanced manufacturing control, stringent analytical certification, and customized product solutions to sustainable, high-yield applications across critical industries. Selecting a reliable supplier with robust process control and comprehensive compliance is essential for maximizing performance and system longevity.

Industry References & Further Reading:

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