Diiodomethane CAS 75-11-6
High-Purity Diiodomethane CAS 75-11-6 from Aure Chemical: Stable Supply & Compliance
Diiodomethane is a high-density organic liquid widely employed in mineral processing and organic synthesis. It serves as a versatile reagent for density-based separations and methylene transfer reactions in fine chemical production. Aure Chemical maintains high standards in purity and supply reliability for this specialty chemical.
Basic Information
| CAS No. | 75-11-6 |
|---|---|
| EC No. | 200-841-5 |
| Linear Formula | CH2I2 |
| Molecular Weight | 267.84 |
| Appearance | Colorless to pale yellow liquid |
| Melting Point | 6 °C (lit.) |
| Boiling point | 181-182 °C (lit.) |
| Density | 3.325 g/mL at 25 °C (lit.) |
| RIDADR | UN 2810 Class 6.1 / PG III |
| Chemical Structure | ![]() |
Key Applications
Mineral separation: Used as a high-density heavy liquid for density gradient separation of minerals and gemstones.
Organic synthesis reagent: Key reagent in the Simmons-Smith cyclopropanation reaction for introducing methylene groups.
Surface analysis: Employed in contact angle measurements to determine surface free energy of materials and coatings.
Refractive index determination: Applied as an optical contact liquid for refractive index measurement in gemology and materials testing.
Fine chemical intermediate: Serves as a versatile building block in pharmaceutical and specialty chemical synthesis.
Aure Chemical: Your Reliable Partner
Consistent product quality: High purity specifications and strict batch consistency verified through rigorous QA procedures.
Stable global supply: Efficient international shipping and bulk supply capability with established logistics channels.
Safety documentation support: Complete SDS, COA and dangerous goods documentation available for regulatory compliance.
Technical and packaging service: Professional technical communication and assistance with packaging selection for sample to bulk quantities.
Hazards Classification
GHS Classification: Acute Tox. 3 (H301 + H311), Skin Irrit. 2 (H315), Eye Irrit. 2 (H319), STOT SE 3 (H335)
UN Number: UN 2810
Hazard Class: 6.1
Packing Group: III


Packaging, Logistics & Compliance Capabilities
Aure Chemical provides flexible packaging solutions, compliant logistics arrangements, and controlled storage practices to support laboratory-scale, pilot-scale, and commercial-scale global supply.
Packaging Options
- 25 kg / 50 kg bags (fiber drum, aluminum bag, HDPE drum)
- 100 kg / 200 kg steel or HDPE drums
- 500 kg / 1000 kg IBC containers
- Bulk liquids in ISO tank containers
- Customized packaging upon request
Transportation Modes
- Sea freight (FCL / LCL)
- Air freight for selected products
- Road and rail transportation
- Dangerous & non-dangerous cargo handling
- Incoterms: EXW, FOB, CFR, CIF, DAP, DDP
Storage & Handling
- Dry, cool, and well-ventilated warehouses
- Segregation by hazard class
- FIFO inventory management
- Temperature-controlled storage if required
- Regular inspection & labeling control
Documentation & Compliance
- Safety Data Sheet (SDS)
- Certificate of Analysis (COA)
- Dangerous Goods Declaration (DGD)
- Packing List & Commercial Invoice
- IMDG / IATA / ADR compliant labeling
For packaging customization or logistics consultation, please contact us.


