Arsenic pentoxide
- CAS Number
- 1303-28-2
- HSN Code
- 28112910
- Molecular Formula
- As2O5
- Catalogue Number
- AL0499
- Purity
- ≥ 98%
- Molecular Weight
- 229.84 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Arsenic pentoxide appears as a white crystalline solid. Noncombustible.
Also known as Arsenic(V) oxide.
- Catalogue No.
- AL0499
- CAS Number
- 1303-28-2
- Molecular Formula
- As2O5
- Molecular Weight
- 229.84 g/mol
- HSN Code
- 28112910
- Grade
- 98%
- Product Form
- Substance
Melting point: 315 °C; Boiling point: Boiling point (-H2O): 160 °C; Density: 4.32 g/cu cm; Solubility: In water, 65.8 g/100 g at 20 °C.
- Appearance
- White amorphous powder
- Shelf Life
- -
- Packaging
- Available in: 100 gm plastic bottle, 500 gm plastic bottle
- Storage
- Separated from strong bases, reducing agents and food and feedstuffs. Dry. Well closed.
1.1 — Product identifier
- Chemical Name
- Arsenic pentoxide
- Catalogue No.
- AL0499
- Product form
- Substance
- CAS Number
- 1303-28-2
- EC Number
- 215-116-9
- Grade
- 98%
- EC Index Number
- 033-001-00-1
- Chemical Formula
- As2O5
- HSN Code
- 28112910
- Synonyms
- Arsenic(V) oxide
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a reference compound in analytical chemistry and arsenic research.
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Acute Tox. 2; Acute Tox. 3; Carc. 1A; Aquatic Acute 1; Aquatic Chronic 1
- Classification source
- ECHA C&L Inventory via PubChem CID 14771 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Acute Toxic, Health Hazard, Environmental Hazard
- Signal word
- Danger
- Hazard statements
- H300: Fatal if swallowed; H331: Toxic if inhaled; H350: May cause cancer; H400: Very toxic to aquatic life; H410: Very toxic to aquatic life with long lasting effects
2.3 — Other hazards
- Other hazards
- Highly toxic; may cause cancer and reproductive toxicity.
3.1 — Substance
- Name
- Arsenic pentoxide
- CAS No.
- 1303-28-2
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. Seek medical attention if symptoms persist.
- First-aid measures after skin contact
- Wash with soap and water. Seek medical attention if irritation develops.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Symptoms of exposure may include respiratory distress, skin irritation, and eye damage.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- May emit toxic fumes in a fire. Use appropriate fire-fighting measures.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area and ventilate. Wear appropriate PPE. Contain and collect spillage.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Sweep spilled substance into covered sealable containers. If appropriate, moisten first to prevent dusting.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with care. Use appropriate PPE including gloves and eye protection.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Separated from strong bases, reducing agents and food and feedstuffs. Dry. Well closed.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use a respirator if exposure limits are exceeded or if irritation occurs.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 315 °C
- Freezing point
- Not applicable
- Boiling point
- Boiling point (-H2O): 160 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 4.32 g/cu cm
- Solubility
- In water, 65.8 g/100 g at 20 °C
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidising
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions. Reacts with strong acids and bases.
10.2 — Chemical stability
- Chemical stability
- Gradually deliquesces on exposure to air.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes above 300 °C . This produces toxic fumes (arsenic trioxide) and oxygen. The solution in water is a weak acid. Reacts violently with bromine pentafluoride.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong acids, strong bases, and reducing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Arsenic pentoxide is thermally unstable & begins to decompose near the melting point, about 300 °C. The vapor obtained is completely dissociated into oxygen & arsenic trioxide.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 8 mg/kg; LD50 Mouse oral 55 mg/kg; LD50 rabbit intravenous 6 mg/kg
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- H350: May cause cancer
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- Not assigned
- UN-No. (IMDG)
- Not assigned
- UN-No. (IATA)
- Not assigned
- UN-No. (ADN)
- Not assigned
- UN-No. (RID)
- Not assigned
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Arsenic pentoxide
- Proper Shipping Name (IMDG)
- Arsenic pentoxide
- Proper Shipping Name (IATA)
- Arsenic pentoxide
- Proper Shipping Name (ADN)
- Arsenic pentoxide
- Proper Shipping Name (RID)
- Arsenic pentoxide
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Used as a reference compound in arsenic-oxidation-state chemistry research and in the production of other arsenic compounds.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL0186A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 229.84 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | Almost white powder | Almost white powder |
| Assay | (Min) 99% | 99.44% |
| M.P. | >300 °C(lit.) | >300 °C(lit.) |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% | ≥ 98% | m.p. 315 °C; b.p. Boiling point (-H2O): 160 °C | ≤ 0.5% | ≤ 1% | None detected | In water, 65.8 g/100 g at 20 °C |
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