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Nerolac Disinfectant HWS 256

Features & Benefits

Protects all surfaces including walls
Protects all surfaces including walls and fabric
92.9 sq.m. coverage
U.S. EPA Certified Formulation
Kills 99.99% germs^ including virus, bacteria and fungi
4th generation quarternary compounds
4th generation quaternary ammonium compounds

Add 4ml of Nerolac Disinfectant HWS 256 in 1L tap water.


Apply on any surface to be disinfected/sanitized/cleaned with household spray or by soaking a cloth, mop or sponge in the solution prepared. For sprayer applications it is suggested to use a coarse spray device.


Leave the solution on the surface for 10 minutes and then allow to air dry.

Nerolac Surface Disinfectant Spray

Nerolac Disinfectant HWS 256

Available in


M.R.P. ₹263

Combo pack: Spray bottle + 100 ml

M.R.P. ₹315

1 Litre

M.R.P. ₹1470

5 Litre

M.R.P. ₹6300

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Application Areas

Storage & Precautions

Store in a cool and dry place, protected from sunlight.

Wash hands thoroughly after handling.

Do not mix with any other cleaners or acids.

Not for consumption or application on body by humans/animals.

Shelf life is 2 years from the date of manufacture.

Frequently asked questions

What is special about Nerolac Disinfectant HSW 256?

It provides protection to all surfaces including walls. It is effective against 99.99% germs^ including bacteria, fungi and viruses, through 4th generation QAC and superior performance inert ingredients

What does 4th generation QAC mean?

4th generation QAC are superior to 1st generation QAC in germicidal performance to kill microorganism, lower foaming, and have an increased tolerance to hard water.

Does it need to be diluted?

Yes. The recommended dilution is 4ml concentrate in 1L water. However, the product may be used in different dilution capacities, depending on the surface, germ and stain being treated.

What is the expiry date?

It has a shelf life of 2 years (from the date of manufacturing)

What makes the product composition reliable?

U.S. EPA certified formulation (US based authority responsible for creating standards and laws promoting health of individuals and environment)

How many sizes are available?

100ml, Combo Pack (100ml with 500ml empty spray bottle), 1L & 5L

What is the MRP of the product?

100 ml – INR 263 Combo Pack (100 ml with 500 ml empty spray bottle) – INR 315 1L can – INR 1470 5L can – INR 6300

Is the product harmful?

The product formulation is neutral pH (water based and not acidic) and is biodegradable making it safe for you, other life forms as well as environment

Which all microorganisms, does the product protect against?

The product kills 99.99% germs^ – virus, bacteria and fungi (including H1N1 Virus)

How does one use the product?

The recommended dilution is 4ml concentrate in 1L water. However, the product may be used in different dilution capacities, depending on the surface, germ and stain being treated.

How many times can the 500 ml spray bottle be refilled with concentrate from 100 ml bottle?

If diluted with the recommended dilution ratio, there will be up to 50 refills of the spray bottle with 100 ml concentrate.

How much coverage does it provide?

Ideal usage – 4 ml in 1L water provides 92.9 sq.m. coverage

What surfaces can this be used on?

It can be used on all hard and porous surfaces (including walls without damaging the paint).

What are the recommended areas of application?

For use in Homes, Offices, Shops, Cars, Restaurants, Hotels, Gyms, Clinics, Hospitals, Ambulance, Godowns/Warehouses, Industrial applications/Manufacturing Plants and many such places

What happens incase if someone ingests this accidently, what should be done?

Call a poison control center or doctor immediately for treatment advise. Make the person sip a glass of water if swallowed. Do not induce vomiting unless told to do so by the poison control centre or doctor. Do not give anything in mouth to an unconscious person

What happens incase the disinfectant enters someone’s eye?

Hold eye open and rinse slowly and gently with water for 15-20 minutes. In case of contact lenses, remove contact lenses and then rinse with water for 15-20 minutes.

What happens incase someone has inhaled it accidently?

Move the person to fresh air. If the person is not breathing, call an ambulance, then give artificial respiration, preferably mouth to mouth if possible. Have the product container or label with you when calling a doctor or going for treatment.

Why you should never use bleach as a disinfectant?

Bleach is very irritating and corrosive. Bleach typically is formulated using hypochlorite which liberates free chlorine gas. Chlorine is a harmful gas and a strong oxidising agent. Exposure to chlorine may affect soft body tissues like nose and eyes and prolonged exposure may also affect internal organs. Bleach fumes can accumulate and linger in poorly-ventilated homes. Indoor air polluted with toxins, endangers the health of all those who breathe it in.

What is the best disinfectant to clean bathrooms and kitchens?

Typically acid or hypochlorite based cleaners are used only for bathrooms but not recommended for kitchens. However, Nerolac Disinfectant HWS 256 can be used for both.

Is Glutaraldehyde a disinfectant?

Glutaraldehyde is one of the high-level disinfectants. Because of its toxic nature and corrosive properties, the U.S. Environmental Protection Agency (EPA) prohibits the use of Glutaraldehyde as an environmental surface disinfectant. Additionally, Cal/OSHA regulates Glutaraldehyde as a hazardous airborne chemical contaminant.

Is HCL a disinfectant?

No. HCl is used as a cleaner for toilet areas. It helps in removing faecal and urine stains. It can be used on ceramic or glass surfaces only as it reacts with most of the other substrates.

Is ethanol a disinfectant?

Yes. Minimum 70 % ethanol acts as a disinfectant as per WHO. 

Can I spray my bed with disinfectant?

Yes, Nerolac Disinfectant HWS 256 can be used on both hard and soft surfaces. Soft surfaces such as bed mattress, cushions, curtains can be sprayed with Nerolac Disinfectant HWS 256.

What are the disinfectants used in hospitals?

Hospital-grade disinfectants for use in all health care settings include:

  • Alcohols
    • 60-90% ethyl or isopropyl alcohol
  • Chlorine
    • Sodium hypochlorite ('bleach')
    • Calcium hypochlorite
  • Phenolics
  • Quaternary Ammonium Compounds (‘QUATs’)
  • Iodophors
  • Hydrogen Peroxides  

Reference:  National Guidelines for Clean Hospitals 2015. MINISTRY OF HEALTH AND FAMILY WELFARE GOVERNMENT OF INDIA

Is bleach hydrochloric acid?

No. Bleach is formulated using hypochlorite.

Can I use pool chlorine as a disinfectant?

Not recommended due to toxic properties of Chlorine.

^As per standard testing protocol

Indication Antimicrobial product for use against Novel Coronavirus SARS-Cov-2, the cause of COVID-19

Shade Range

Let your family breathe easy while letting your home look spectacular in colours offered as per Enamel Shade card & Color Scapes



To get the best out of Satin Enamel, follow the recommended usage process as suggested by Nerolac Experts.

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