COMMISSION IMPLEMENTING REGUL ATION (EU) 2023/1707 
of 7 September 2023
concer ning the author isation of 2-acetylfuran and 2-pentylfuran as feed additiv es for all animal 
species 
(Text with EEA relevance) 
THE EUR OPEAN COMMISSION,
Havi ng regar d to the Treaty on the Functioning of the European Union,
Havi ng rega rd to Regulation (EC) No 1831/2003 of the European Parliament and of the Council of 22 Sept ember 2003 on 
additives for use in animal nutr ition (1), and in particular Article 9(2) thereof,
Whereas:
(1) Regulation (EC) No 1831/2003 provid es for the author isation of additives for use in animal nutr ition and for the 
grounds and procedures for granting such an author isation. Article 10(2) of that Regulation provides for the 
re-evaluation of additives author ised pursuant to Council Directive 70/524/EEC (2).
(2) The substances 2-acetylfuran and 2-pentylfuran were author ised without a time limit in accordance with 
Directive 70/524/EEC as feed additives for all animal species. Those substances were subsequently entered in the 
Registe r of feed additives as existing products, in accordance with Article 10(1)(b) of Regulation (EC) No 1831/2003.
(3) In accordance with Article 10(2) of Regulation (EC) No 1831/2003 in conjunction with Article 7 thereof, an 
application was submitted for the re-evaluation of 2-acetylfuran and 2-pentylfuran for all animal species. The 
applicant requested the additives to be classif ied in the additive categor y ‘sensor y additives’ and in the functional 
group ‘flavouring compounds’. The applications were accompan ied by the particulars and documents required 
under Article 7(3) of Regulation (EC) No 1831/2003.
(4) The applicant requested the additives to be author ised for use also in water for drinking. However , Regulation (EC) 
No 1831/2003 does not allow the author isation of ‘flavouri ng compounds’ for use in water for drinking. Theref ore, 
the applicant withdrew the application for water for drinking for all the substances concer ned.
(5) That application concer ns the author isation of 2-acetylfuran and 2-pentylfuran as feed additives for all animal 
species, to be classifie d in the additive catego ry ‘sensor y additives ’ and in the functional group ‘flavouring 
compo unds ’.
(6) The European Food Safety Authority (‘the Author ity’) concluded in its opinion of 1 Febr uary 2023 (3)that, under the 
proposed conditions of use 2-acetylfuran and 2-pentylfuran are safe for all animals, consumers and the envi ronment. 
It also concluded that 2-acetylfuran and 2-pentylfuran should be considered as irritant to skin and eyes and the 
respirato ry tract, and as dermal and respirato ry sensitisers. The Author ity further concluded that the additives are 
efficacious to flavour feed. The Author ity does not consider that there is a need for specific requirements of post- 
mark et monitoring. It also verified the repor t on the method of analysis of the feed additives in feed submitted by 
the Reference Laboratory set up by Regulation (EC) No 1831/2003.
(7) In view of the above, the Commission considers that 2-acetylfuran and 2-pentylfuran, satisfy the conditions provided 
for in Article 5 of Regulation (EC) No 1831/2003. According ly, the use of that substance should be author ised as 
specifi ed in the Annex to this Regulation. In addition, the Commission considers that appropr iate prote ctive 
measures should be taken to prevent adverse effects on the health of the users of the additives.
(1)OJ L 268, 18.10.2003, p. 29.
(2)Council Directive 70/524/EEC of 23 November 1970 concer ning additives in feedingstuffs (OJ L 270, 14.12.1970, p. 1).
(3)EFSA Journal 2023;21(3):7868.EN Offi cial Jour nal of the European Union 8.9.2023 L 221/27  (8) Certain conditions should be provid ed for to allow better control. In particular , a recommended content should be 
indicated on the label of the feed additives. Where such content is exceeded, certain information should be indicated 
on the label of premixtures.
(9) Since safet y reasons do not require the immediate application of the modifications to the conditions of author isation 
of the substances concer ned, it is appropr iate to provid e for a transitional period for interested parties to prepare 
themselves to meet the new requirements resulting from the author isation.
(10) The measures provid ed for in this Regulation are in accordance with the opinion of the Standing Committ ee on 
Plants, Animals, Food and Feed,
HAS ADOPTED THIS REGUL ATION:
Article 1
Author isation
The substances specifi ed in the Annex, belonging to the additive cate gory ‘sensor y additives ’ and to the functional group 
‘flavouring compo unds ’, is author ised as a feed additive in animal nutr ition, subject to the conditions laid down in that 
Annex.
Article 2
Transitional measures
1. The substances specified in the Annex and premixtures containing those substances, which are produced and labelled 
before 28 March 2024 in accordance with the rules applicable before 28 September 2023 may continue to be placed on the 
mark et and used until the existing stoc ks are exhaust ed.
2. Com pound feed and feed mate rials containing the substances specifi ed in the Annex, which are produced and labelled 
before 28 Sept ember 2024 in accordance with the rules applicable before 28 Sept ember 2023 may continue to be placed 
on the mark et and used until the existing stoc ks are exhaust ed if they are intended for food-producing animals.
3. Com pound feed and feed mate rials containing the substances specifi ed in the Annex, which are produced and labelled 
before 28 Sept ember 2025 in accordance with the rules applicable before 28 Sept ember 2023 may continue to be placed 
on the mark et and used until the existing stoc ks are exhaust ed if they are intended for non-f ood producing animals.
Article 3
Entr y into force
This Regulation shall enter into force on the twentieth day followi ng that of its publication in the Official Journal of the 
European Union.
This Regulation shall be binding in its entirety and directly applicable in all Member States.
Done at Brussels, 7 Sept ember 2023 .
For the Commission
The President
Ursula VON DER LEYENEN Offi cial Jour nal of the European Union L 221/28 8.9.2023  ANNEX 
Identification 
number of the 
additiveAdditiveCompo sition, chem ical formula, 
descr iption, analytical methodSpecies or 
categor y of 
animalMaximum 
ageMinimum 
contentMaximum 
content
Other provisionsEnd of period of 
author isationmg of active 
substance/kg of 
complet e feedingstuff 
with a moisture conten t 
of 12 %
Categor y: Sensor y additiv es. Functional group: Flavour ing compounds
2b13054 2-Acetylfuran Additive composition
2-Acetylfuran
Liquid form
Char acter isation of active substance
2-Acetylfuran
Produced by chemical synthesis
Purity: min. 97 %
Chemical formula: C6H6O2
CAS number: 1192-62-7
FLAVIS: 13.054
Analytical method (1)
For the identification of 
2-acetylfuran in the feed additives 
and flavouring premixtures:
—Gas chromat ography -mass spec ­
trometr y with retention time 
lock ing (GC-MS-RTL)All animal 
species— — — 1.The additive shall be incor porat ed into the feed in 
the form of a premixture.
2.In the directions for use of the additive and pre­
mixtures, the storag e conditions and stability to 
heat treatment shall be indicated .
3.On the label of the additive, the follo wing shall be 
indicated :
‘Recommended maximum cont ent of the active 
substance per kg of compl ete feedingstuff with a 
moisture conte nt of 12 %: 0,5 mg.’
4.The functional group, the identif ication number , 
the name and the added amount of the active 
substance shall be indicated on the label of the 
premixture where the use level on the label of the 
premixture would result in exce eding the level 
refer red to in point 3.
5.For users of the additive and premixtures, feed 
business operat ors shall establish operational 
procedures and organisational measures to ad­
dress potential risks resulting from their use. 
Where those risks cannot be eliminated by such 
procedures and measures, the additive and pre­
mixtures shall be used with personal breathing, 
eye and skin prote ctive equipment.28 September 
2033
(1)Details of the analytical methods are available at the following address of the Reference Laborato ry: https://joint-research-c entre.ec.europa.eu/eurl-fa-eurl-f eed-additives/eurl-fa-author isation/eurl-f a-evaluation- 
repor ts_en .EN Offi cial Jour nal of the European Union 8.9.2023 L 221/29  Identification 
number of the 
additiveAdditiveCompo sition, chem ical formula, 
descr iption, analytical methodSpecies or 
categor y of 
animalMaximum 
ageMinimum 
contentMaximum 
content
Other provisionsEnd of period of 
author isationmg of active 
substance/kg of 
complet e feedingstuff 
with a moisture conten t 
of 12 %
Categor y: Sensor y additiv es. Functional group: Flavour ing compounds
2b13059 2-Pe ntylfuran Additive composition
2-Pe ntylfuran
Liquid form
Char acter isation of active substance
2-Pe ntylfuran
Produced by chemical synthesis
Purity: min. 99 %
Chemical formula: C9H14O
CAS number: 3777-69-3
FLAVIS: 13.059
Analytical method (1)
For the identification of 
2-pentylfuran in the feed additives 
and flavouring premixtures:
—Gas chromat ography -mass spec ­
trometr y with retention time 
lock ing (GC-MS-RTL)All animal 
species— — — 1.The additive shall be incor porat ed into the feed in 
the form of a premixture.
2.In the directions for use of the additive and pre­
mixtures, the storag e conditions and stability to 
heat treatment shall be indicated .
3.On the label of the additive, the follo wing shall be 
indicated :
"Recommended maximum content of the active 
substance per kg of compl ete feedingstuff with a 
moisture conte nt of 12 %: 0,5 mg.”
4.The functional group, the identif ication number , 
the name and the added amount of the active 
substance shall be indicated on the label of the 
premixture where the use level on the label of the 
premixture would result in exce eding the level 
refer red to in point 3.
5.For users of the additive and premixtures, feed 
business operat ors shall establish operational 
procedures and organisational measures to ad­
dress potential risks resulting from their use. 
Where those risks cannot be eliminated by such 
procedures and measures, the additive and pre­
mixtures shall be used with personal breathing, 
eye and skin prote ctive equipment.28 September 
2033
(1)Details of the analytical methods are available at the following address of the Reference Laborato ry: https://joint-research-c entre.ec.europa.eu/eurl-fa-eurl-f eed-additives/eurl-fa-author isation/eurl-f a-evaluation- 
repor ts_en .EN Offi cial Jour nal of the European Union L 221/30 8.9.2023