Important Physical Properties
A number of physical properties are pertinent to knowledgeable handling of Thermphos Dequest phosphonates: freezing point, pH and specific gravity or density. Understanding of these particular properties will be helpful and might prevent incidents during unloading, storage and transfer of the Dequest phosphonates. Click the product selector to view the properties.
Shipment
Thermphos Dequest products are mostly produced in a world-class, state-of-the-art, modern plant in Newport, United Kingdom. They are stocked for distribution at facilities throughout the world.
Unloading Procedures
Dequest products supplied in bulk shipments should be unloaded promptly upon arrival. A storage tank of suitable size, design and materials of construction is required. Bulk containers may be unloaded either by pumping or by blowing with air pressure. Pressure unloading should always be used with caution. The customer must completely empty the bulk container to avoid unnecessary loss of material and to prevent a disposal problem for the carrier. If unloading problems should occur, the customer should immediately advise the Thermphos Sales Office or the shipping terminal and request assistance. DO NOT RETURN AN UNEMPTIED TANK CONTAINER OR TANK VEHICLE WITHOUT THERMPHOS'S PRIOR APPROVAL.
Storage and Processing
Detailed advice on storage and processing of Dequest phosphonates are available in Thermphos's publication 7459104A which may be ordered through this web site or through your local sales office.
Spill, Leak, and Disposal Information
Small spills of Dequest phosphonates pose little environmental hazard. The acid grades may be neutralized with bicarbonate or soda ash followed by flushing with copious amounts of water. The salts (neutral and alkaline grades) may be flushed away with water.
Larger spills should be contained so as not to enter drains or streams. The material should be absorbed on appropriate solids and incinerated or disposed of in an approved landfill. All national, state and local government regulations should be followed.
Precautions in Case of Fire
Dequest products liquid grades are aqueous solutions and are not fire hazards. Dry powder Dequest Phosphonates such as Dequest 2016D and the residue remaining upon drying of liquid grades of Dequest may catch fire and burn if exposed to heat. Potential decomposition and combustion products of Dequest products are listed in Section 5 of the (M)SDS. Firefighters and others exposed should wear breathing apparatus and full protective clothing. CO2, dry chemical or water spray should be used to extinguish a Dequest fire.