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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to terrestrial plants

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Administrative data

Link to relevant study record(s)

Description of key information

In accordance with Annex XI of the REACH Regulation, these studies do not need to be conducted. In water sodium bicarbonate is dissociated into sodium and bicarbonate ions and both ions will not adsorb on particulate matter. Therefore, direct or indirect exposure of the soil compartment, via the use of sludge of an STP, is unlikely. Furthermore, it should be realised that sodium bicarbonate is naturally present in soil and the toxicity for terrestrial plants is expected to be low.

Few reliable studies are available exposing different species of plants to NaHCO3. Overall, the different authors expose the plants via water irrigation or using and hydroponics system, growing plants in a water based nutrient rich solution, hence all available data are expresses in terms of mg/L rather than mg/kg soil. Here is presented a summary table of the results:

Time exposure


Concentration range exposure

Effective concentration

Based on



Seeds of common bean, Phaseolus vulgaris

30 -150 mmol/L

LOEC 5040 mg/l

LOEC 2520 mg/l

% seedling emergence


Yu et al., (2019)

5 months

avocado plant, Persea americana

1.5 g/L

NOEC 1500 mg/l

LOEC 1500 mg/l

height and diameter stem quantity leaves

Alvarez-Acosa et al., (2019)


Seedlings of barley, Hordeum vulgare

10 and 20 mM

LOEC 840 mg/l

fresh and dry shoot mass

Mahmood et al., (2011)

30 days

Seeds of tabacco, Nicotiana tabacum

100 mM

LOEC 8400 mg/l

biomass of root, stem and leaves

Zhang et al., (2014)

10 weeks

seeds of sorghum, Sorghum bicolor

60 and 120 mM

LOEC 5040 mg/l


Sial et al., (2019)

10 days

seedlings of tomato, Solanum lycopersicum

25-100 mM

LOEC 2100 mg/l


Gong et al., (2014)

5 days

seedlings of tomato, Solanum lycopersicum

25-100 mM

LOEC 6300 mg/l


Gong et al., (2014)

4 days

seeds of cucumber, Cucumis sativus

90 mmol/L

LOEC 7561 mg/l


Sun et al., (2014)

Key value for chemical safety assessment

Additional information