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Diss Factsheets
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EC number: 200-838-9 | CAS number: 75-09-2
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Administrative data
First-aid measures
Health Hazards:
The substance is irritating to the eyes, the skin and the respiratory tract. Exposure could cause lowering of consciousness. Exposure could cause the formation of methaemoglobin.
Skin and Eyes:
If dichloromethane is splashed on the skin, contaminated clothing shall be promptly removed and the skin washed with soap and water.
If liquid dichloromethane contacts the eyes, they shall be thoroughly irrigated with clean water. Medical assisstance shall be promptly provided in cases of eye splashes.
Inhalation:
If a person breathes in large amounts of dichloromethane, move the exposed person to fresh air at once. Keep the affected person warm and at rest. Get medical attention immediately.
Fire-fighting measures
Fire Hazards:
Combustible under specific conditions. Gives off irritating or toxic fumes (or gases) in a fire.
FIRE FIGHTING
In case of fire in the surroundings: use appropriate extinguishing media.
In case of fire: keep drums, etc., cool by spraying with water.
Accidental release measures
SPILLAGE:
Do NOT let this chemical enter the environment.
Collect leaking and spilled liquid in sealable containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
Handling and storage
Storage:
Storage containers, piping, and valves shall be periodically checked for leakage.
Storage facilities shall be designed to contain spills; prevent contamination of workroom air.
Confined spaces:
Tanks, pits, tank cars, process vessels, tunnels, sewets, or other confined spaces which contain dichloromethane shall be thoroughly ventilated, tested for dichloromethane, oxygen, carbon monoxide, flammable gases, and other suspected noxious gases and inspected before entry.
Confined spaces shall be ventilated to keep dichloromethane concentration below the standard and to prevent oxigen deficiency.
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- UN1593
Shipping information
- Proper shipping name and description:
- Dichloromethane
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Marine transport (UN RTDG/IMDG)
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Exposure controls / personal protection
Engineering controls and work practices:
Should be sufficient to reduce exposures below the workplace standards for dichloromethane established by the national regulations to the lowest level achievable.
Engineering controls designed to limit exposure to dichloromethane may include:
— Ventilation systems designed to prevent the accumulation or recirculation of dichloromethane in the workroom and to effectively remove dichloromethane from the breathing zones of workers. Ventilation systems shall be subjected to regular preventive maintenance and cleaning to ensure maximum effectiveness.
— Portable exhaust ventilation or suitable general ventilation shall be provided for operations that require the application of liquid methylene chloride.
Personal Protective Equipment:
Respiratory Protection:
Respiratory protection should be used in accordance with company and applicable national regulatory requirements.
Respiratory protection should be used to supplement the engineering controls and work practices.
Persons should not be assigned to tasks requiring the use of respirators unless it has been determined they are physically able to perform the work and are trained to use the equipment.
Protective clothing:
For operations where the worker may come into direct contact with liquid dichloromethane, protective clothing (chemical impervious and resistant) shall be worn. Gloves, boots, overshoes, and bib-type aprones (at least knee length) shall be provided when necessary.
All protective clothing shall be well aired and inspected for physical defects before reuse.
Eye protection:
In work operations where dichloromethane (liquid or spray) may enter the eye, eye protection shall be provided. Chemical type goggles, safety glasses with splash shields, or plastic face shields made completely of dichloromethane-resistant materials shall be used.
Suitable protective clothing and eye protection should be in accordance with national, or regional standards and regulations.
Stability and reactivity
CHEMICAL DANGERS:
On contact with hot surfaces or flames this substance decomposes forming toxic and corrosive fumes.
Reacts violently with metals such as aluminium powder and magnesium powder, strong bases and strong oxidants causing fire and explosion hazard.
Attacks some forms of plastic rubber and coatings.
Disposal considerations
This substance, when discarded or disposed of, is a hazardous waste. The transportation, storage, treatment, and disposal of this waste material must be conducted in compliance with local regulations for hazardous wastes.
Disposal can occur only in properly permitted facilities. Check state and local regulation of any additional requirements for disposal conditions.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.