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General Product Information

Belclene® 500 has been developed as a halogen-stable mild steel corrosion inhibitor, used in conjunction with zinc in industrial water systems.

The active ingredient is a poly-phosphinocarboxylic acid. The CAS number is 71050-62-9.

Typical physical properties
appearance      pale yellow liquid
odor slight
solids content 33-37% (w/w)
specific gravity 1.15-1.19
pH (neat) 2.0-3.0
pH (1% solution) 2.9
viscosity at 25°C 6-18 cPs (5-15 cSt)
boiling point (760mm Hg) 212-214°F (100-101°C)
freezing point range 14-32°F (0 to -10°C)
solubility in
     water
     ethylene glycol
     methanol
     50% caustic soda

miscible
miscible
miscible
miscible
thermal stability (TGA) stable up to a temperature of 572F (380C)
pH limitations to avoid precipitation, formulate below pH 3.0 or above pH 9.0. Belclene 500 can be used in any system water at any pH.

Chemical reactivity
Belclene 500 is not affected by chlorine or other oxidising agents under normal use conditions.

Compatibility
Test for compatibility with long chain nitrogen compounds; aliphatic amines and quaternary ammonium compounds.

Steam volatility
Belclene 500 does not steam distil.

Logistics
packaging      HDPE drum 55 U.S. gallons
height 36.3 in (922 mm)
diameter 22.5 in (572 mm)
gross weight 502 lbs
net weight 475 lbs
DOT class corrosive material
DOT number NA 1760
freight class (LTL listing) 60.00 - compounds industrial process water treating in liquid barrels.
bill of lading code J
NMF class 050227

Regulatory approvals
FDA (USA)      21 cfr 173.310 boiler additives
USDA (USA) G5: cooling and retort
G6: boilers, steamlines possible food contact
G7: boilers, steamlines, cooling systems no food contact.

Toxicology data
acute oral LD50 (rats)      >10 ml/kg
dermal LD50 >3000 mg/kg

Irritation studies
eye irritation      minimal draize score 3.3/110
skin irritant slight draize score 1.2/8

Mutagenicity
ames test      negative

Toxicity to fish
96-hr LC50 (rainbow trout)      > 1000 mg/l
96-hr LC50 (zebra fish) > 1000 mg/l
COD 1109.7 mg oxygen/g

To ensure safe handling and usage please refer to the material safety data sheet for more detailed information.


fmc logoProcess 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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