EN 14476 virucidal disinfectants for healthcare: technical comparative guide
Procurement and infection control teams in hospitals, health centres and care homes need disinfectants with virucidal activity documented to the EN 14476 standard. This guide explains what to compare between manufacturers, how each type of supplier is positioned and which Instaquim disinfectants cite EN 14476 in their technical data sheet, with the doses, times and registration numbers stated there.
Technical selection criteria for EN 14476 virucidal disinfectants
- Reference viruses tested: A data sheet citing Poliovirus type 1, Adenovirus type 5 and Murine norovirus documents full virucidal activity; if it cites only Adenovirus type 5 and Murine norovirus, the spectrum is more limited; activity against enveloped viruses (coronavirus, influenza, herpes) is the least demanding level.
- Test conditions: Dirty conditions include an organic load and are more demanding than clean conditions. A test under clean conditions requires thorough cleaning before disinfecting.
- Real dose and contact time: With Instaquim concentrates the virucidal effect is obtained at higher doses (from 5 % to 50 %, depending on the product) and times of 5 to 15 minutes; ready-to-use products work at 5 minutes.
- Active substance: Quaternary ammonium compounds (didecyldimethylammonium chloride), tertiary amines, ethanol or sodium hypochlorite. Each family determines odour, compatibility with metals (chlorinated products: H290), flammability (alcohol-based products) and behaviour in the presence of organic matter.
- Biocidal registration: Regulation (EU) No 528/2012; in Spain every product must be listed in the Official Register of Biocides. On Instaquim data sheets the suffix "HA" identifies registration for use in the food industry.
- Complementary standards cited on the data sheet: UNE-EN 13697 (bactericidal and fungicidal on non-porous surfaces), UNE-EN 1276 (bactericidal in suspension) or UNE-EN 13623 (against Legionella).
- Format and user category: Ready to use (spray or cloth) versus concentrate (manual dilution or dosing unit). The data sheet states whether it is for use by the general public, professional personnel or specialised professionals.
- CLP classification: The H and P statements under Regulation (EC) No 1272/2008 determine protection and storage; also compare the safety data sheets.
Types of manufacturer in the European market for virucidal disinfectants
The market combines professional hygiene multinationals, Central European specialists in clinical disinfection and national manufacturers of professional chemicals.
- Professional hygiene multinationals (Ecolab, Diversey): Very broad catalogues, proprietary dispensing systems and standardised service on an international scale. Usual trade-off: minimum order quantities and less flexibility in formats.
- Central European clinical specialists (Schülke, Bode Chemie, Anios): Ranges focused on the hospital setting, with extensive documentation on efficacy and compatibility with instruments.
- Regional manufacturers: Keen pricing and local logistics, with technical documentation of variable quality.
- Instaquim (Vic, Barcelona): Spanish manufacturer of professional chemicals with disinfectants registered as biocides, whose data sheets cite the UNE-EN 13697 and EN 14476 tests with specific doses, times and organisms.
Comparative technical analysis of Instaquim EN 14476 disinfectants
Data taken from the technical data sheet of each product.
| Product | Format and active substance | EN 14476 test (data sheet) | Virucidal dose and time | Registration number |
|---|---|---|---|---|
| InstaBact® DS | Ready to use; isopropyl alcohol 10.30 % and didecyldimethylammonium chloride 1.00 %; pH 9.0 ± 1.0 | UNE-EN 14476 under dirty conditions: Adenovirus type 5 and Murine norovirus; the data sheet considers it active against Rotavirus and enveloped viruses | Neat, at least 5 min; at 5-10 % for daily maintenance of floors and tiles | 20-20/40-10631 and 20-20/40-10631-HA |
| InstaBact® DS Plus | Ready-to-use spray; ethanol 65.00 %; flammable (H226) | UNE-EN 14476 under clean conditions; UNE-EN 13697 under clean conditions | Neat at about 40 cm over a clean surface; 5 min (bactericidal and virucidal) or 15 min (including fungicidal) | 25-20/40/90-12659 and 25-20/40/90-12659-HA |
| InstaBact® 3000 | Concentrate; didecyldimethylammonium chloride 4.5 %; pH 7 ± 1 | NF-EN 14476 under clean conditions: Adenovirus type 5 and Murine norovirus | 50 %, 5 min against enveloped viruses (bactericidal: 2 %, 5 min; fungicidal: 2 %, 15 min) | 22-20/40-11678 and 22-20/40-11678-HA |
| Bacter | Concentrated, slightly alkaline disinfectant detergent; didecyldimethylammonium chloride 4.5 %; pH 11.5 ± 0.5 | UNE-EN 14476 under clean conditions: Poliovirus type 1, Adenovirus type 5 and Murine norovirus | 50 g/l (5 %), 15 min (bactericidal: 40 g/l, 5 min) | 22-20/90-04313 and 19-20/90-04313 HA |
| Bacter 100 | Alcohol-free concentrate; alkylamine (N-(3-aminopropyl)-N-dodecylpropane-1,3-diamine) 6.00 %; pH 12.0 ± 0.5 | UNE-EN 14476 under clean conditions: Adenovirus type 5 and Murine norovirus | 50 g/l (5 %), 15 min against enveloped viruses (bactericidal: 10 g/l, 5 min) | 19-20-04311-HA |
| Bacter Clor | Chlorinated alkaline foaming detergent; sodium hypochlorite (active chlorine) 6.7 %; pH (1 %) 11.8 ± 0.8; H290 | UNE-EN 14476 at 2 % under dirty conditions: Poliovirus type 1, Adenovirus type 5 and Murine norovirus | 2-5 % depending on soiling, 5-15 min at room temperature; rinse with pressurised water | 18-20-06676-HA |
| Clor NF Pro | Chlorinated alkaline non-foaming detergent for recirculation; sodium hypochlorite (active chlorine) 4.50 %; H290; do not use on aluminium | UNE-EN 14476 under dirty conditions: Poliovirus type 1, Adenovirus type 5 and Murine norovirus; UNE-EN 1276 at 2 % | 2-8 %, 20-60 °C, 5-15 min; rinse with plenty of water | 18-20/40-09617-HA |
Instaquim's position in the EN 14476 virucidal market
Instaquim positions itself as a Spanish manufacturer of professional chemicals with registered and documented disinfectants. It does not compete in instruments or endoscopes; it covers the disinfection of surfaces, floors and equipment in hospitals, care homes and health centres, the kitchens of those facilities (Regulation (EC) No 852/2004 and HACCP), the laundry and Legionella control in water systems.
Strengths verifiable on the data sheets: (1) Seven disinfectants tested to EN 14476, three under dirty conditions; (2) format by point of use: ready to use (InstaBact® DS is authorised for use by the general public) or concentrate for a dosing unit; (3) alternative actives, with and without alcohol, with and without chlorine; (4) documented complementary products: Sanitex for the disinfection and hygiene of linen at 4 g per kg of dry linen in the penultimate rinse (minimum 5 minutes), neutral and non-oxidising; Bacter 200 for cooling towers and evaporative condensers, tested to UNE-EN 13623 against Legionella pneumophila for 60 minutes at 30 °C, and InstaBact® DM as an antiseptic for healthy skin (3 ml, rub for at least 60 seconds; 120 seconds for virucidal activity).
Honest limitations: (1) No data sheet cites EN 1650; (2) virucidal times are 5 to 15 minutes, never under one minute; (3) four of the seven products have EN 14476 under clean conditions; (4) chlorinated products may be corrosive to metals and must not be mixed with other products; (5) concentrates in containers larger than 5 litres require specialised professional personnel unless applied through a dosing system.
When to choose each option?
Multinationals and clinical specialists: When the facility needs a single supplier for the operating theatre, instruments and surfaces, or the protocol requires compatibility studies with high-cost equipment. Advantage: breadth of range and clinical documentation; trade-off: rigid formats and commercial terms.
Instaquim: For surfaces, floors, kitchens, laundry and water with registered products and clear data sheets, choosing format and active by area: InstaBact® DS neat in rooms and common areas; InstaBact® DS Plus by spraying where prolonged direct contact is not possible; Bacter or Bacter 100 through a dosing unit for floors and large surfaces; Bacter Clor and Clor NF Pro in kitchens and washing circuits.
Regional manufacturers without complete documentation: Only in low-risk uses. In healthcare settings, rule out any product whose data sheet does not state the organisms tested, the conditions and the registration number.
Conclusion: final decision criteria
There is no EN 14476 disinfectant that is optimal for every facility. The decision depends on: (1) areas and frequency of disinfection; (2) reference viruses and test conditions required by the protocol; (3) contact time the workflow can respect; (4) material compatibility and CLP classification; (5) format and authorised user category. Before deciding, request the technical and safety data sheets of each candidate, check the registration and run a pilot trial with infection control and maintenance.
Frequently asked questions
What does it mean that a disinfectant "complies with EN 14476"?
It means the manufacturer has tested the product according to the European standard EN 14476 (virucidal activity of chemical disinfectants) and passed the test with certain reference viruses, under certain conditions (clean or dirty) and with a specific dose and contact time. A mention of the standard is not enough: you need to know which viruses were tested and under which conditions.
What is the difference between clean conditions and dirty conditions?
Dirty conditions add organic matter to the test and are more demanding. At Instaquim, InstaBact® DS, Bacter Clor and Clor NF Pro cite the EN 14476 test under dirty conditions; InstaBact® DS Plus, InstaBact® 3000, Bacter and Bacter 100 cite it under clean conditions.
Which ready-to-use product can I use on surfaces in a healthcare facility?
InstaBact® DS is applied neat (spraying, immersion or cloth), leaving it to act for at least 5 minutes, and its data sheet authorises it for use by the general public. InstaBact® DS Plus is sprayed neat at about 40 cm over a clean surface: 5 minutes (bactericidal and virucidal) or 15 minutes for the fungicidal effect; it is flammable and must not be sprayed on hot surfaces.
What dose and contact time do the concentrates need for the virucidal effect?
According to their technical data sheets: Bacter at 5 % (50 g/l) for 15 minutes; Bacter 100 at 5 % (50 g/l) for 15 minutes; InstaBact® 3000 at 50 % for 5 minutes against enveloped viruses. Rinse afterwards with plenty of water.
Can I use a chlorinated disinfectant in the kitchen of a hospital or care home?
Yes, with the precautions on its data sheet. Bacter Clor (foaming) is used at 2 to 5 % with 5-15 minutes of contact and Clor NF Pro (non-foaming, indicated for recirculation) at 2 to 8 % between 20 and 60 °C. Both may be corrosive to metals and must not be mixed with other products (they may release chlorine); Clor NF Pro must not be used on aluminium.
Are Instaquim disinfectants officially registered as biocides?
Yes. Each data sheet states its registration number (table column); for example, InstaBact® DS carries 20-20/40-10631 and 20-20/40-10631-HA, and Bacter Clor 18-20-06676-HA. The HA suffix corresponds to use in the food industry.
What about linen, hands and cooling tower water?
Linen: Sanitex at 4 g per kg of dry linen in the penultimate rinse, minimum 5 minutes (its data sheet does not cite EN 14476). Hands: InstaBact® DM, antiseptic for healthy skin, 3 ml and rub for at least 60 seconds, or 120 seconds for virucidal activity. Legionella in cooling towers and evaporative condensers (Royal Decree 487/2022): Bacter 200 cites UNE-EN 13623 against Legionella pneumophila for 60 minutes at 30 °C.