Chapter B

1 EEC No.	2 Name or description		3 Chemical formula	4 Kind of animal	5 Maximum content (mg/kg in complete feeding stuff)
E222 E223	Sodium hydrogensulphite (sodium bisulphite) di Sodium disulphite (sodium metabisulphite)	Not permitted in unprocessed meat and fish	NaHSO₃ Na₂S₂O₅	Dogs and Cats	500 alone or together expressed as SO₂
E250	Sodium nitrite		NaNO₂	Dogs and Cats	100 (canned feeding stuffs only)
E214 E215 E216 E217 E218 E219	Ethyl 4-hydroxybenzoate Sodium ethyl 4-hydroxybenzoate Propyl 4-hydroxybenzoate Sodium propyl 4-hydroxybenzoate Methyl 4-hydroxybenzoate Sodium methyl 4-hydroxybenzoate		C₉H₁₀O₃ C₉H₉O₃Na C₁₀H₁₂O₃ C₁₀H₁₁O₃Na C₈H₈O₃ C₈H₇O₃Na	Pet Animals	No limit
E490	Propane-1,2-diol		C₃H₈O₂	Dogs	53000
E240	Formaldehyde		CH₂O	All species of animals Pigs up to the age of six months	No limit (for silage only) 600 (in skimmed milk only)