The global diarsenic pentoxide market is experiencing steady growth, driven by rising demand in industrial applications such as glass manufacturing, semiconductors, and wood preservation. According to a report by Mordor Intelligence, the arsenic chemicals market—which includes diarsenic pentoxide—is projected to grow at a CAGR of approximately 3.8% from 2023 to 2028. This expansion is attributed to increased production in emerging economies and the compound’s critical role in specialty glass production, particularly for optical and electronic applications. Additionally, Grand View Research highlights ongoing investments in chemical manufacturing infrastructure across Asia-Pacific, a region that now accounts for over 50% of global arsenic trioxide (a precursor to diarsenic pentoxide) production. As environmental regulations tighten and purification technologies improve, leading manufacturers are focusing on high-purity output and sustainable practices. In this evolving landscape, seven key players have emerged as dominant suppliers, combining scale, technological innovation, and strategic supply chain integration to meet growing global demand.
Top 7 Diarsenic Pentoxide Manufacturers 2026
(Ranked by Factory Capability & Trust Score)
#1 Arsenic pentoxide, 98%
Domain Est. 2000
Website: ottokemi.com
Key Highlights: Leading Manufacturers and suppliers of Arsenic pentoxide, 98%, India with worldwide shipping. Various grades of quality available suitable for all ……
#2 Arsenic pentoxide
Domain Est. 2000
Website: himedialabs.com
Key Highlights: Arsenic pentoxide is an important commercial compound of arsenic.It is manufactured by adding oxygen to the trioxide form and is used to form many arsenic …Missing: diarsenic ma…
#3 Arsenic Pentoxide for Synthesis
Domain Est. 2002
Website: cdhfinechemical.com
Key Highlights: CDH is an ISO certified Arsenic Pentoxide for Synthesis manufacturer in India, Arsenic Pentoxide for Synthesis (CAS-1303-28-2) supplier & exporter in India….
#4 Arsenic Target Manufacturers in China
Domain Est. 2018
Website: sinosantech.com
Key Highlights: Sino Santech specializes in producing high purity Arsenic and Arsenide materials to meet the individual specifications and requested compositions of the ……
#5 diarsenic pentoxide (As2O5)
Domain Est. 2013
Website: en.gazfinder.com
Key Highlights: Diarsenic pentoxide appears as colorless or white crystals. It is mainly used as a reagent in organic and inorganic chemistry, as well as in the manufacture of ……
#6 Arsenic Pentoxide
Domain Est. 2013
Website: suvidhinathlab.com
Key Highlights: Discover high-purity Arsenic Pentoxide (As2O5) in crystalline form, ideal for manufacturing pesticides, glass production, fungicides, and wood preservatives ……
#7 ARSENIC PENTOXIDE
Domain Est. 2020
Website: alphachemika.co
Key Highlights: ARSENIC PENTOXIDE, Certificate of Analysis (COA), Chemical Information, Pricing, 102, Savagan Heights, B Wing RTO Lane, Andheri – West, Mumbai…
Expert Sourcing Insights for Diarsenic Pentoxide

I’m unable to generate a forecast for diarsenic pentoxide (As₂O₅) market trends in 2026 using “H2” as requested, because:
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Diarsenic Pentoxide (As₂O₅) is a highly toxic and relatively niche chemical compound with very limited commercial applications. It is not a major commodity in global markets, and reliable market data (such as production volumes, pricing trends, or demand forecasts) are scarce or not publicly available.
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“Use H2” is unclear in this context. If you mean:
- H2 as in hydrogen gas, it is not chemically or commercially related to diarsenic pentoxide.
- H2 as a classification or database (e.g., from a specific market research provider like Statista, Bloomberg, or a proprietary system), no such standard designation is recognized publicly.
- H2 as a forecasting model or methodology, this is not a standard analytical framework in market analysis (common models include PESTEL, SWOT, or time-series analysis).
Given these constraints, here is a general qualitative analysis of potential factors that could influence the landscape for diarsenic pentoxide around 2026:
Market Trends for Diarsenic Pentoxide (As₂O₅) – Outlook for 2026 (Qualitative Analysis)
1. Limited Industrial Demand
- Diarsenic pentoxide is primarily used in research laboratories and specialized chemical synthesis.
- It has no significant role in large-scale industrial applications, unlike its more common cousin, arsenic trioxide (As₂O₃), which is used in wood preservatives and glass manufacturing.
- Demand is expected to remain low and stable, driven almost entirely by academic and analytical chemistry sectors.
2. Regulatory and Environmental Pressures
- Arsenic compounds are strictly regulated globally due to their high toxicity and carcinogenicity (e.g., under REACH in the EU, TSCA in the US).
- Increased environmental scrutiny may further restrict handling, transport, and use, potentially reducing market activity.
3. No Major Technological Drivers
- Unlike materials in energy storage or semiconductors, As₂O₅ has no emerging applications in green tech, batteries, or electronics.
- No known R&D pipelines suggest commercial expansion.
4. Supply Chain Constraints
- Production is likely limited to specialty chemical manufacturers (e.g., in China, Germany, or the US).
- Supply depends on the availability of arsenic sources, often a byproduct of copper and gold mining—sectors whose fluctuations may indirectly affect As₂O₅ availability.
5. Safety and Substitution Trends
- There is a strong trend toward substituting toxic arsenic compounds with safer alternatives in research and industry.
- This may lead to declining usage over time.
Conclusion
The 2026 market for diarsenic pentoxide is expected to remain extremely small, stable, and highly specialized, with no significant growth anticipated. There are no known H2-related drivers (whether hydrogen economy, hydrogenation processes, or other interpretations) influencing this compound’s market trajectory.
If you meant “H2” as a specific analytical framework or data source, please clarify so I can refine the response accordingly.

It seems you’re asking about common pitfalls when sourcing Diarsenic Pentoxide (As₂O₅), particularly regarding quality and intellectual property (IP) concerns, and you mention “Use H2″—possibly indicating a request to structure the response under heading level 2 (H2) formatting.
Below is a structured response using H2 headings to address the key pitfalls:
Quality Concerns
Impurity Profile
Diarsenic pentoxide is often contaminated with related arsenic compounds, especially arsenic trioxide (As₂O₃), sulfates, heavy metals, or residual solvents from synthesis. Impurities can significantly affect performance in applications such as semiconductor doping or chemical synthesis.
Inconsistent Purity Grades
Suppliers may market material as “high purity” (e.g., 99%), but without certified analytical data (e.g., ICP-MS, XRD, or elemental analysis), actual purity may vary. Always request a Certificate of Analysis (CoA) with traceable testing methods.
Hydration and Stability
As₂O₅ is hygroscopic and prone to hydrolysis, forming arsenic acids (e.g., H₃AsO₄). Improper storage or handling can degrade product quality. Ensure material is stored anhydrous and under inert conditions.
Particle Size and Reactivity
For industrial or research applications, particle size distribution can influence reactivity. Lack of control or specification in this parameter may lead to inconsistent results.
Intellectual Property (IP) Risks
Patented Synthesis Methods
Certain high-purity or scalable production methods for As₂O₅ may be protected by patents, particularly in semiconductor or specialty chemical industries. Sourcing from a supplier using an infringing process could expose your organization to indirect IP liability.
Application-Specific Restrictions
Some uses of As₂O₅ (e.g., in optoelectronics or pharmaceuticals) may fall under patented processes. Verify freedom-to-operate (FTO) if incorporating As₂O₅ into a novel product or process.
Supplier IP Disclaimers
Many chemical suppliers disclaim IP responsibility. Ensure your contract includes indemnification clauses or confirms the supplier’s right to sell the material without IP conflict.
Regulatory and Safety Compliance
Restricted Substance Controls
Arsenic compounds are highly regulated (e.g., REACH, RoHS, TSCA). Confirm the material complies with transportation (DOT, IATA), handling, and disposal regulations.
Mislabeling and Fraud
Counterfeit or mislabeled chemicals are a risk with high-hazard materials. Use reputable, audited suppliers and verify material through independent testing when possible.
Recommendations
- Source from certified chemical suppliers with transparent quality controls.
- Require full CoA and batch-specific analytical data.
- Conduct due diligence on supplier IP practices, especially for commercial-scale use.
- Test incoming material for purity and contaminants.
- Consult legal counsel for IP and regulatory compliance in your jurisdiction.
Let me know if you’d like this adapted for a report or procurement checklist.

It appears there may be a misunderstanding in your request. Diarsenic pentoxide (also known as arsenic pentoxide, chemical formula: As₂O₅) is a highly toxic arsenic compound. However, H2 refers to hydrogen gas (H₂), which is not typically used as a classification or regulatory framework.
If you meant to refer to Hazard Class 2 under a specific regulatory system (e.g., UN GHS or transportation regulations), note that Hazard Class 2 refers to gases (flammable, non-flammable, toxic), which does not apply to diarsenic pentoxide, as it is a solid.
However, if you intended to request a logistics and compliance guide for Diarsenic Pentoxide using the GHS Hazard Statements (H-statements) — and possibly “H2” was a typo or shorthand for GHS H-phrases — then here is the correct guide using GHS H-statements (H-codes) and relevant compliance information.
Logistics & Compliance Guide: Diarsenic Pentoxide (As₂O₅)
(Using GHS H-Statements and Regulatory Frameworks)
1. Chemical Identity
- Chemical Name: Diarsenic pentoxide (Arsenic pentoxide)
- Synonyms: Arsenic(V) oxide, Arsenic anhydride
- Formula: As₂O₅
- CAS Number: 1303-28-2
- UN Number: UN 1559
- Hazard Class: 6.1 (Toxic substances)
- Packing Group: I (High hazard)
2. GHS Classification & H-Statements (Hazard Statements)
| Hazard Class | H-Statement Code | Hazard Statement |
|————-|——————|——————|
| Acute Toxicity (Oral) | H300 | Fatal if swallowed |
| Acute Toxicity (Dermal) | H310 | Fatal in contact with skin |
| Acute Toxicity (Inhalation) | H330 | Fatal if inhaled |
| Specific Target Organ Toxicity (Single Exposure) | H370 | Causes damage to organs (respiratory system, liver, kidneys) |
| Carcinogenicity | H350 | May cause cancer (IARC Group 1 – arsenic compounds) |
| Environmental Hazard | H410 | Very toxic to aquatic life with long-lasting effects |
⚠️ Note: Diarsenic pentoxide hydrolyzes in water to form arsenic acid, which is also highly toxic.
3. Safety Precautions (P-Statements)
- P260: Do not breathe dust/fume/gas/mist/vapors/spray
- P264: Wash hands thoroughly after handling
- P270: Do not eat, drink or smoke when using this product
- P271: Use only outdoors or in a well-ventilated area
- P280: Wear protective gloves/protective clothing/eye protection/face protection
- P301+P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+P352: IF ON SKIN: Wash with plenty of soap and water
- P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P310: Immediately call a POISON CENTER or doctor/physician
- P308+P313: IF exposed or concerned: Get medical advice/attention
- P501: Dispose of contents/container in accordance with local, regional, national, and international regulations
4. Transport Information (UN Recommendations)
- Proper Shipping Name: ARSENIC COMPOUND, TOXIC, N.O.S. (Diarsenic pentoxide)
- UN Number: UN 1559
- Class: 6.1 (Toxic substances)
- Packing Group: I
- Labels Required: Toxic (Skull and Crossbones)
- Special Provisions: None specified beyond standard 6.1 requirements
- Packaging: Must meet IATA/IMDG/ADR regulations for Packing Group I; leak-proof, durable, and compatible with oxidizing conditions
5. Storage Requirements
- Store in a cool, dry, well-ventilated area away from reducing agents, acids, moisture, and food/feedstuffs.
- Keep containers tightly closed.
- Use secondary containment to prevent environmental contamination.
- Segregate from food, beverages, and incompatible materials (e.g., strong acids, reducing agents).
- Label clearly: “POISON – TOXIC – CARCINOGEN”
6. Handling & Engineering Controls
- Use only in closed systems or fume hoods with local exhaust ventilation.
- Avoid generating dust or aerosols.
- Prohibit eating, drinking, or smoking in handling areas.
- Use chemical-resistant gloves (e.g., nitrile or butyl rubber), safety goggles, face shield, and respirator (NIOSH-approved for toxic dusts).
7. Emergency Procedures
- Spill: Isolate area. Wear full PPE (including SCBA if dust is airborne). Dampen spill to prevent dust formation, collect in sealed container, and dispose as hazardous waste. Decontaminate area with approved oxidizing agents.
- Fire: Not flammable, but may release toxic fumes (e.g., arsenic oxides) when heated. Evacuate area. Use water spray to cool containers.
- Exposure:
- Inhalation: Move to fresh air, keep warm and at rest. Seek medical attention immediately.
- Skin Contact: Remove contaminated clothing. Wash skin with soap and water.
- Eye Contact: Rinse cautiously with water for 15–20 minutes. Seek medical help.
- Ingestion: Do NOT induce vomiting. Call poison control immediately.
8. Environmental & Disposal Compliance
- Environmental Risk: High toxicity to aquatic organisms. Prevent release into environment.
- Waste Disposal: Must be handled as hazardous waste. Follow EPA (USA), RCRA, or local regulations. Incineration in a licensed facility with arsenic scrubbing is typical.
- Regulatory References:
- EPA: Listed under TSCA, RCRA (as D004 waste due to toxicity)
- OSHA: Regulated under permissible exposure limits (PEL) for inorganic arsenic compounds (0.01 mg/m³ as 8-hr TWA)
- DOT: 49 CFR for transport
- IATA/ICAO: For air transport
- IMDG Code: For sea transport
- REACH/CLP (EU): Classified as toxic, carcinogenic, and hazardous to the environment
9. Regulatory Labeling (Example)
“`
☠ DANGER
H300: Fatal if swallowed
H310: Fatal in contact with skin
H330: Fatal if inhaled
H370: Causes damage to organs
H350: May cause cancer
H410: Very toxic to aquatic life with long-lasting effects
P260, P280, P301+P310, P310, P501
“`
10. Training & Documentation
- Personnel must be trained under HAZCOM (OSHA 29 CFR 1910.1200).
- Maintain Safety Data Sheet (SDS) – ensure it is GHS-compliant and up to date.
- Conduct medical surveillance for workers handling arsenic compounds (per OSHA requirements).
✅ Summary Checklist
| Requirement | Status |
|———-|——–|
| GHS H-Statements applied | Yes (H300, H310, H330, H370, H350, H410) |
| UN 1559 assigned | Yes |
| Hazard Class 6.1 | Confirmed |
| PPE & Controls in place | Required |
| SDS available | Mandatory |
| Proper labeling | Required |
| Trained personnel | Required |
| Hazardous waste disposal plan | Required |
If you meant something different by “H2” (e.g., a specific company code, internal classification, or hydrogen-related process), please clarify so I can adjust the guide accordingly.
Otherwise, this document provides a comprehensive logistics and compliance guide for Diarsenic Pentoxide using GHS H-statements and global regulatory standards.
Conclusion on Sourcing Diarsenic Pentoxide (As₂O₅):
Sourcing diarsenic pentoxide (As₂O₅) requires careful consideration due to its high toxicity, environmental hazards, and strict regulatory controls. It is not a commonly available chemical and is typically produced through specialized chemical processes, such as the oxidation of arsenic(III) compounds. As a result, sourcing options are limited to a small number of chemical suppliers with appropriate handling, licensing, and safety certifications.
Key factors to consider when sourcing As₂O₅ include:
- Regulatory Compliance: Strict national and international regulations (e.g., OSHA, EPA, REACH) govern the handling, transportation, and use of arsenic compounds. Proper permits and safety documentation are mandatory.
- Supplier Qualification: Only reputable chemical suppliers with experience in handling hazardous materials should be engaged. Suppliers must provide full safety data sheets (SDS), purity specifications, and proper labeling.
- Safety and Handling: Given its toxicity and potential carcinogenicity, stringent laboratory safety protocols, including personal protective equipment (PPE), containment systems, and waste disposal procedures, must be in place.
- Alternative Approaches: In many applications, especially in research or industrial processes, safer alternatives or in-situ generation of As₂O₅ may be preferable to minimize risks associated with storage and handling.
In conclusion, while diarsenic pentoxide can be sourced for specialized applications, it demands a thorough risk assessment, adherence to legal and safety standards, and engagement with certified suppliers. Due to the significant hazards involved, procurement should be justified only when no viable alternatives exist and handled exclusively by trained professionals in controlled environments.






