Dibromomethane
- CAS Number
- 74-95-3
- HSN Code
- 29033020
- Molecular Formula
- CH2Br2
- Catalogue Number
- AL1680
- Purity
- ≥ 99%
- Molecular Weight
- 173.83 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Dibromomethane is a member of the class of bromomethanes that is methane substituted by two bromo groups. It is produced by marine algae.
Also known as Methylene dibromide.
- Catalogue No.
- AL1680
- CAS Number
- 74-95-3
- Molecular Formula
- CH2Br2
- Molecular Weight
- 173.83 g/mol
- HSN Code
- 29033020
- Grade
- 99%
- Product Form
- Substance
Melting point: -52.5 °C; Boiling point: 97 °C; Density: 2.4969 g/cc @ 20 °C; Solubility: 11.70 g1000 g water @ 15 °C; 11.93 g1000 g water @ 30 °C.
- Appearance
- Clear, colorless liquid
- Shelf Life
- -
- Packaging
- Available in: 500 gm plastic bottle
- Storage
- Separated from food and feedstuffs, strong oxidants, strong bases and metals. Do NOT store or transport in containers made from aluminium or plastic. Ventilation along the floor.
1.1 — Product identifier
- Chemical Name
- Dibromomethane
- Catalogue No.
- AL1680
- Product form
- Substance
- CAS Number
- 74-95-3
- EC Number
- 200-824-2
- Grade
- 99%
- EC Index Number
- 602-004-00-0
- Chemical Formula
- CH2Br2
- HSN Code
- 29033020
- Synonyms
- Methylene dibromide
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Solvent, reagent, and heavy liquid for mineral separation.
- 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. 4; Aquatic Chronic 3
- Classification source
- ECHA C&L Inventory via PubChem CID 3024 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Irritant
- Signal word
- Warning
- Hazard statements
- H332: Harmful if inhaled; H412: Harmful to aquatic life with long lasting effects
2.3 — Other hazards
- Other hazards
- May cause respiratory irritation and central nervous system effects.
3.1 — Substance
- Name
- Dibromomethane
- CAS No.
- 74-95-3
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Remove from exposure. Give oxygen if needed.
- First-aid measures after skin contact
- Wash with soap and water. Remove contaminated clothing. Seek medical attention if irritation persists.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Seek medical attention.
- First-aid measures after ingestion
- No specific antidote.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Headache, dizziness, nausea, vomiting, and respiratory distress.
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
- The vapour is heavier than air.
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. Ventilate and contain spill. Use appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Ventilation. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use in a fume hood. Wear appropriate personal protective equipment including gloves and goggles.
- 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 food and feedstuffs, strong oxidants, strong bases and metals. Do NOT store or transport in containers made from aluminium or plastic. Ventilation along the floor.
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
- 200 ppm or less: Any supplied-air respirator. Any self contained breathing apparatus; 1000 ppm or less: Any supplied air respirator with a full facepiece, helmet, or hood.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless
- Odour
- Sweet chloroform-like
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -52.5 °C
- Freezing point
- Not specified
- Boiling point
- 97 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- 515 °C
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Vapor pressure: 40 mm Hg @ 23.3 °C
- Relative vapour density at 20°C
- 6.05 (Air= 1)
- Density
- 2.4969 g/cc @ 20 °C
- Solubility
- 11.70 g1000 g water @ 15 °C; 11.93 g1000 g water @ 30 °C
- Log Pow
- 1.70
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Stable under normal conditions. Reacts with strong oxidizing agents.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on heating. This produces toxic and corrosive fumes including hydrogen bromide and carbon monoxide (see ICSC 0023). Reacts violently with strong oxidants, strong bases and some metals such as aluminium, magnesium and potassium.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizing agents, strong bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomp it emits toxic fumes of hydrogen bromide.
11.1 — Information on toxicological effects
- Acute toxicity
- LC50 Rat ihl 40 gcu m2 hr; LD50 Mouse sc 3738 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
- Not classified (based on available data)
- 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)
- 2664
- UN-No. (IMDG)
- 2664
- UN-No. (IATA)
- 2664
- UN-No. (ADN)
- 2664
- UN-No. (RID)
- 2664
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Dibromomethane
- Proper Shipping Name (IMDG)
- Dibromomethane
- Proper Shipping Name (IATA)
- Dibromomethane
- Proper Shipping Name (ADN)
- Dibromomethane
- Proper Shipping Name (RID)
- Dibromomethane
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
14.4 — Packing group
- Packing group (ADR)
- III
- Packing group (IMDG)
- III
- Packing group (IATA)
- III
- Packing group (ADN)
- III
- Packing group (RID)
- III
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
Dibromomethane is primarily used as a heavy liquid for mineral density separation and as a solvent/reagent in organic synthesis. It is also employed in the production of other brominated compounds.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL2169B
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 173.83 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 99% | 99.5% |
| Density | 2.49 g/mL | 2.48 g/mL |
| Boiling Point | 97.5 °C | 97.3 °C |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | None detected | None detected |
The above product is expected to comply with 99% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99% | ≥ 99% | m.p. -52.5 °C; b.p. 97 °C | ≤ 0.5% | ≤ 0.1% | None detected | 11.70 g1000 g water @ 15 °C; 11.93 g1000 g water @ 30 °C |
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