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Description of key information

A 104 week repeated dose study is available in which NaHCO3 was given in combination with o-phenylphenol (OPP-Na). One group received NaHCO3 only (0.64%)

Key value for chemical safety assessment

Justification for classification or non-classification

Based on the available information, the substance does not need to be classified according to CLP Regulation (EC) No 1272/2008.

Additional information

No carcinogenic effects were found in a valid study when male Fischer 344 rats were exposed to sodium bicarbonate alone. There is no evidence of NaHCO3 having carcinogenic effects.

[taken from OECD SIDS on sodium bicarbonate (2002), pg. 18]