Beryllium oxide
- CAS Number
- 1304-56-9
- HSN Code
- 28259090
- Molecular Formula
- BeO
- Catalogue Number
- AL0685
- Purity
- ≥99.98%
- Molecular Weight
- 25.01 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Beryllium oxide is a beryllium molecular entity consisting of beryllium (+2 oxidation state) and oxide in the ratio 1:1. In the solid state, BeO adopts the hexagonal wurtzite structure form while in the vapour phase, it is present as discrete diatomic covalent molecules.
Also known as Beryllia.
- Catalogue No.
- AL0685
- CAS Number
- 1304-56-9
- Molecular Formula
- BeO
- Molecular Weight
- 25.01 g/mol
- HSN Code
- 28259090
- Grade
- 99.98%
- Product Form
- Substance
Melting point: 2578 °C; Boiling point: 3787 °C; Density: 3.01 g/cu cm; Solubility: Insoluble in water; slightly soluble in acid and alkali solutions.
- Appearance
- White hexagonal crystals
- Shelf Life
- -
- Packaging
- Available in: 1 gm glass bottle, 5 gm glass bottle
- Storage
- Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Well closed. Store only in original container. Store in an area without drain or sewer access.
1.1 — Product identifier
- Chemical Name
- Beryllium oxide
- Catalogue No.
- AL0685
- Product form
- Substance
- CAS Number
- 1304-56-9
- EC Number
- 215-133-1
- Grade
- 99.98%
- EC Index Number
- Not specified
- Chemical Formula
- BeO
- HSN Code
- 28259090
- Synonyms
- Beryllia
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used in electronics and nuclear applications due to its thermal and electrical properties.
- 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. 3; Skin Irrit. 2; Skin Sens. 1; Eye Irrit. 2; Acute Tox. 2; STOT SE 3; Carc. 1B; STOT RE 1
- Classification source
- ECHA C&L Inventory via PubChem CID 14775 - 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
- Signal word
- Danger
- Hazard statements
- H301: Toxic if swallowed; H315: Causes skin irritation; H317: May cause an allergic skin reaction; H319: Causes serious eye irritation; H330: Fatal if inhaled; H335: May cause respiratory irritation; H350: May cause cancer; H372: Causes damage to organs through prolonged or repeated exposure
- Precautionary statements
- P203, P260, P261, P264, P264+P265, P270, P271, P272, P280, P284, P301+P316, P302+P352, P304+P340, P305+P351+P338, P316, P318, P319, P320, P321, P330, P332+P317, P333+P317, P337+P317, P362+P364, P403+P233, P405, P501
2.3 — Other hazards
- Other hazards
- Carcinogenic; may cause respiratory issues upon inhalation.
3.1 — Substance
- Name
- Beryllium oxide
- CAS No.
- 1304-56-9
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Take chest x-ray immediately to check for pneumonitis.
- First-aid measures after skin contact
- Cuts or puncture wounds in which beryllium may be embedded under the skin should be thoroughly cleansed immediately by a physician.
- First-aid measures after eye contact
- Flush with water for at least 15 min.; get medical attention.
- First-aid measures after ingestion
- Induce vomiting; get medical attention.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Coughing, shortness of breath, skin irritation, eye irritation.
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
- Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Non-flammable, but may emit toxic fumes when heated.
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. Use appropriate PPE during cleanup.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Sweep spilled substance into 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 respiratory 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
- Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Well closed. Store only in original container. Store in an area without drain or sewer access.
8.2 — Exposure controls
- Hand protection
- Handle with gloves.
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use a NIOSH-approved respirator if dust is generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odorless
- Odour threshold
- Not applicable
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 2578 °C
- Freezing point
- Not applicable
- Boiling point
- 3787 °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
- 3.01 g/cu cm
- Solubility
- Insoluble in water; slightly soluble in acid and alkali solutions
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions, reacts with strong acids and bases.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Upon heating, toxic fumes are formed.
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, moisture.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Toxic if inhaled; may cause lung damage.
- Skin corrosion/irritation
- H315: Causes skin irritation
- Serious eye damage/irritation
- H319: Causes serious eye irritation
- Respiratory or skin sensitisation
- H317: May cause an allergic skin reaction
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- H350: May cause cancer
- Specific target organ toxicity (single exposure)
- H335: May cause respiratory irritation
- Specific target organ toxicity (repeated exposure)
- H372: Causes damage to organs through prolonged or repeated exposure
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)
- 1566
- UN-No. (IMDG)
- 1566
- UN-No. (IATA)
- 1566
- UN-No. (ADN)
- 1566
- UN-No. (RID)
- 1566
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Beryllium oxide
- Proper Shipping Name (IMDG)
- Beryllium oxide
- Proper Shipping Name (IATA)
- Beryllium oxide
- Proper Shipping Name (ADN)
- Beryllium oxide
- Proper Shipping Name (RID)
- Beryllium oxide
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 in specialized electronic-substrate and nuclear-materials research requiring high thermal conductivity and electrical insulation.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01911
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 25.01 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥99.98% | 99.99% |
| Moisture Content | ≤0.1% | 0.05% |
| Residue on Ignition | ≤0.1% | 0.03% |
| Related Substances | None detected | None detected |
| Solubility | Insoluble in water | Insoluble in water |
The above product is expected to comply with 99.98% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99.98% | ≥99.98% | m.p. 2578 °C; b.p. 3787 °C | ≤0.1% | ≤0.1% | None detected | Insoluble in water; slightly soluble in acid and alkali solutions |
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