| Chemical |
Copper(II)hydroxide carbonate |
| CAS-number : |
12069-69-1 |
| |
| Synonyms : |
| basic copper carbonate |
| basic cupric carbonate |
| cheshunt compound |
| dicopper dihydroxycarbonate |
| dihydroxydicopper carbonate |
| malachite |
| |
| Sumformula of the chemical : |
| CH2Cu2O5
|
| EINECS-number : |
| 2351136 |
| |
| Purity, % : |
| 98 |
>98, WPSREG 1993 |
| |
| Known impurities : |
Na: 0.3 - 0.4 %;
Zn: 0.01 - 0.14 %;
Fe: 0.007 - 0.1 %;
Pb: < 0.005 %;
Cd: < 0.0001 %;
Mg: 0.03 - 0.04 %;
Cl: 0.05 - 0.10 %;
S: < 0.02 %;
water: 0.4 - 2.0 %;
Ca: 0.1 - 0.25 %;
insoluble material: 0.01 - 0.05 %
(WPSREG 1993) |
| |
| Uses : |
Active ingredient in liquid wood preservatives with preventive
efficancy against wood-destroying fungi including softrot and
wood-destroying insects (WPSREG 1993).
|
| |
| State and appearance : |
solid (WPSREG 1993)
|
| |
| Density, kg/m3 : |
| 3700 |
WPSREG 1993 |
| |
| Water solubility, mg/l : |
| 0.8 |
WPSREG 1993 |
| |
| Melting point, °C : |
| 200 |
degrades at 200°C, WPSREG 1993 |
| |
| Adsorption/desorption : |
Koc = 911 - 17 700, desorption 0-21 % of the copper fixed in
soil (WPSREG 1993).
|
| |
| Bioconcentration factor, fishes : |
| 200 |
200 - 667 (compared with the copper concentration |
| 667 |
of water), |
| |
WPSREG 1993 |
| |
| Other information of bioaccumulation : |
BCF for evertebrates living in water: 1000 - 1670,
BCF for earthworm: 0.04 -0.65, compared with the copper
concentration in soil (WPSREG 1993).
Bioconcentration factor (mollusca):
18 - 30000, compared with the copper concentration
of water (WPSREG 1993).
Bioconcentration factor (algae):
12 - 9300, compared with the copper concentration
of water (WPSREG 1993). |
| |
| LD50 values to mammals in oral exposure, mg/kg : |
| 159 |
159-1495, orl-mammals |
| 1495 |
WPSREG 1993 |
| |
| Other information of mammals : |
LOEL (12mo) orl-rat 670 mg/kg;
LOEL orl-pig 600-750 mg/kg, in the food;
LOEL orl-sheep 10-15 mg/kg, copper in the food;
LOEL 20w orl-calf, copper in the food (WPSREG 1993).
|
| |
| LD50 values to birds in oral exposure, mg/kg : |
| 900 |
900-1000, orl-birds |
| 1000 |
WPSREG 1993 |
| |
| Effects on invertebrates : |
Copper content 80 mg/kg in the soil repels and kills
earthworms (WPSREG 1993).
|
| |
| EC50 values to algae, mg/l : |
| 0.085 |
3w, Selenastrum capricornutum, fresh water, |
| 0.07 |
3w, Chlorella stigmatophora, sea water, |
| |
[copper(2)ione] |
| |
WPSREG 1993 |
| |
| EC50 values to crustaceans, mg/l : |
| 0.007 |
48hr, Daphnia magna, soft water, |
| 0.045 |
48hr, Daphnia magna, soft water containing humus, |
| |
concentrations as copper, |
| |
WPSREG 1993 |
| |
| LOEC values to crustaceans, mg/l : |
| 0.0004 |
mortality, Daphnia magna, 0.4 ug/l, 21d, |
| 0.02 |
20-60 ug, >50d, |
| 0.06 |
|
| 0.0004 |
0.4 - 3.3 ug/l, decrease in the number of breeds, 21d |
| 0.0033 |
|
| 0.02 |
>50d, |
| 0.04 |
40-60 ug/l, average reproducton rate, >50d, |
| 0.06 |
concentrations as copper, |
| |
WPSREG 1993 |
| |
| NOEC values to crustaceans, mg/l : |
| 0.0002 |
mortality, Daphnia magna, 0.02 ug/l,10-40 ug, 21d |
| 0.01 |
10-40 ug/l, Daphnia magna, >50d |
| 0.04 |
|
| 0.00023 |
0.23 ug/l, decrease in the number of breeds, 21d, |
| 0.001 |
10 ug/l, >50d, |
| 0.02 |
20-40 ug/l, >50d, average reproduction rate |
| 0.04 |
concentrations as copper, |
| |
WPSREG 1993 |
| |
| LC50 values to fishes, mg/l : |
| 0.014 |
0.014-0.021 mg Cu2+/l, 96hr, Oncorhynchus kisutch, |
| 0.021 |
soft water, |
| |
WPSREG 1993 |
References |
| 3119 | WPSREG.
Application for registration of wood preservatives/
slimicides.
National Board of Waters and the Environment,
Chemicals Control Unit.
|
