dissolvinegl-38
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Changes in: address EU, AP FPD 2407-01-01, Aug-05 Page 1 of 2The information presented herein is true and accurate to the best of our knowledge, but without any guarantee unless explicitly given. Sincethe conditions of use are beyond our control we disclaim any liability, including for patent infringement, incurred in connection with the useof these products, data or suggestions. Registered trade mark Akzo Nobel Akzo Nobel Functional Chemicals bv www . dissolvine.com
Dissolvine GL-38Chemical Name Glutamic acid, N,N-diacetic acid, tetra sodium salt
Chemical formula GLDA-Na4
Structure
NaO C CH2
O
N
CH2
CNaO
O
CH
CH2
C ONa
O
CH
2
C
O
ONa
Mol. Weight 351
CAS Number 51981-21-6
Specifications Checkpoint Specification Units MethodAppearance clear liquid visual
Assay according to Fe-sequesteringcapacity
38.0 min % SMA 916.02
pH of 1% wv aqueous dilution 11.0 12.0 SMA 176.18
Main Characteristics Dissolvine GL-38 is a versatile sequestering agent, forming stable, water-solublechelates with polyvalent metal ions in a wide pH range.
Miscibility with water : any desired ratio.
Density : approx. 1,330 kg/m3
Solubility of GLDA-Na4at low pH : > 25% w/w (at pH = 1 - 2)
Sequestering values for Dissolvine GL-38 are approximately(theoretical calculated figures):Metal ion pH range mg metal/g Dissolvine GL-38calcium 5-14 45
copper 3-14 70ferric 1- 6 60magnesium 6-12 25manganese 3-14 60
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Dissolvine GL-38
Changes in: address EU, AP FPD 2407-01-01, Aug-05 Page 2 of 2The information presented herein is true and accurate to the best of our knowledge, but without any guarantee unless explicitly given. Sincethe conditions of use are beyond our control we disclaim any liability, including for patent infringement, incurred in connection with the useof these products, data or suggestions. Registered trade mark Akzo Nobel Akzo Nobel Functional Chemicals bv www . dissolvine.com
Applications Boosting agent for disinfecting products (with low skin irritation)Improved detergency at high water hardnessHard surface cleaning performance is improved in combination with Gluco(hepto)nates.Scale removal at high pHScale inhibitor in laundering and dishwashing applications.Booster for stain removal in dish washing detergents better than citrates andphosphatesScum inhibitor in bathroom cleanersImproved cleaning & foaming in shampoo applications.Storage stabilization of bleaching agents (perborates / percarbonates) and unsaturatedalkyl chain based surfactants.Transport cleaners: Oil and Iron removal at high pH replacement for NTA
Environmental aspects Biodegradability: readilyC.O.D.: approx. 250 mg/g
Packing 250 kg net in polyethylene drums (pallets: each 4 drums), 1100 kg net IntermediateBulk Container (IBC) with valve or bulk roadtanker.
Storage Store in original packing or in PVC, PE, stainless steel or bituminized tanks.Avoid contact with aluminum, copper, copper alloys and nickel.It is advised to re-test the material after three years of storage.
Further Information For transport, handling and first aid instructions please refer to the Safety Data Sheet,which is available on request.For samples, technical service and further information, please contact your nearestAkzo Nobel Chemicals Sales Office or agent, or:
Internet www.dissolvine.com
Address Europe, Middle East and Africa North, Central and South America
Akzo Nobel Functional Chemicals bv Akzo Nobel Functional Chemicals LLCStationsplein 4 525 Van Buren StreetP.O. Box 247 Chicago, Illinois 606073800 AE Amersfoort USAThe Netherlands Inside USA Tel: 1 800 906 7979Tel: + 31 33 4676341 Outside USA Tel: +1 312 544 7000
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