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General Product Information
Belclene® 283 has been developed as a calcium carbonate inhibitor and a multifunctional formulation support agent in industrial water systems and other related applications.
The active ingredient of Belclene 283 is a maleic acid copolymer. The CAS number is
113221-69-5.
| Typical physical properties | ||
| appearance | amber liquid | |
| odour | slight | |
| solids content | 45-50% (w/w) | |
| specific gravity | 1.16-1.20 | |
| pH (undiluted) | < 2 | |
| viscosity at 25°C | 12-30 cPs (10-25 cSt) | |
| boiling point range | 100-102°C (212-215°F) | |
| freeze point range | -6 to -40°C (21-25°F) | |
in water ethylene glycol methanol 50% caustic soda |
miscible miscible miscible readily neutralised with evolution of heat |
|
| pH limitations | to avoid precipitation, formulate below pH 2.5 or above pH 7.5. At in use concentrations Belclene 283 is stable across the entire pH range. | |
Thermal stability (DSC)
Differential scanning calorimetry has shown that Belclene 283 is stable up to a
temperature of 200°C (392°F).
Chemical reactivity/compatibility
Belclene 283 is not affected by chlorine or other oxidising biocides under normal
use conditions. Test for compatibility with long chain nitrogen compounds, aliphatic
amines and quaternary ammonium compounds.
| Logistics | ||
| classification | corrosive for conveyance irritant for supply IATI class 8 UN No 1760 IMCO class 8 UN No 1760 |
|
| packaging | HDPE 220L XL-ring Mauser drum height 935 mm diameter 580 mm gross weight 248.5 kg net weight 240 kg |
|
Regulatory approvals |
||
| FDA (USA) | 21 cfr 176.170 - paper/ paperboard - fatty foods 21 cfr 176.180 - paper/ paperboard - dry foods |
|
| USDA (USA) | G5: cooling and retort water G7: boilers, steamlines, cooling systems no food contact |
|
| MITI (Japan) | Japanese discharge regulations | |
Toxicology data |
||
| Acute oral LD50 (rats) | 3874 mg/kg | |
| eye irritation (rabbits) | irritant (EEC guidelines) | |
| skin irritation (rabbits) | non-irritant (EEC guidelines) | |
| toxicity to fish 96-hr LC50 (zebra fish) | >1000 mg/l | |
Ecological data |
||
| 96-hr LC50 (brown shrimp) | 2160 mg/l | |
| 72-hr EC50 (algal inhibition) | 380 mg/l | |
| COD | 1114 mg O2/g | |
| biodegradability | 29% in 35 days (OECD 301 D screening test) | |
Further details on safety and handling are available in the materials safety data
sheet on this product.
Process
Additives Division
Warranty - Patent Position
The information contained herein is, to our knowledge, true and accurate. Because
conditions of use are beyond our control, we make no warranty or representation, express
or implied. except that the products discussed herein conform to the chemical descriptions
shown on the labels. Nothing contained herein should be construed as permission or
recommendation to infringe any patent. No agent, representative or employee of this
company is authorised to vary any terms of this notice.
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