Registration Dossier
Registration Dossier
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EC number: 200-772-0 | CAS number: 72-17-3
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- no hazard identified
Marine water
- Hazard assessment conclusion:
- no hazard identified
STP
- Hazard assessment conclusion:
- no hazard identified
Sediment (freshwater)
- Hazard assessment conclusion:
- no hazard identified
Sediment (marine water)
- Hazard assessment conclusion:
- no hazard identified
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no hazard identified
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Lactic acid is a ubiquitous and essential molecule of life; acute effects, as well as (external) long-term effects are most likely the results of physical processes (pH-effect; electrostatic effects), which are not relevant in a neutral pH range. No hazard has been identified and derivation of PNECs is not considered to be necessary.
Conclusion on classification
Sodium lactate fully dissociates into Na+ ions and lactate, is readily biodegradable, does not bioaccumulate and has low potential for adsorption to sediment and soil.
The ecotoxicology of Sodium lactate can be understood in terms of the ecotoxicology of sodium salts and lactic acid. No adverse effects of sodium salts, e.g., sodium chloride, have been observed in the acute aquatic toxicity studies with fish, daphnids and algae at the highest recommended test concentrations of 100 mg/L.
For lactic acid, no adverse effects have been observed in the acute aquatic toxicity studies with daphnids and algae at the highest recommended test concentrations of 100 mg/L; for fish slight effects observed for lactic acid at concentrations of 100 mg/L are considered not relevant since all observed effects are due to the low pH induced by high concentrations of lactic acid (pH< 5 at 100 mg/L) and will completely disappear at lower concentrations. Sodium lactate does not lower the pH of test water and therefore it is concluded that no adverse effects of Sodium lactate will occur at the highest recommended test concentration of 100 mg/L. No hazard has been identified hence Sodium lactate is not classified for environmental hazards.
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