What is the viscosity of hand sanitizer?

Concentrations of standard ethanol and their respective AUC for determining the concentration of the final product C. The final product had a viscosity of 89 rpm (1.48cps) and was found to be more viscous as compared to the standard (62% Equi-Clean hand sanitizer) of viscosity of 80 rpm (1.33cps).

What is the viscosity of hand sanitizer gel?

Indeed, the values of viscosity met the standard for a good hand sanitizer gel of 4.7–15.0 Pas [35], and also the appearance met the standard for a good gel, being no cloudy at all.

What is the best viscosity for hand sanitizer?

A recent work reported that the optimal viscosity values for a good hand sanitizer gel are 47,000 to 150,000 mPa.

Why is viscosity important in hand sanitizer?

A higher viscosity product may be perceived as higher quality to your end user than a sanitiser which dribbles away but may prove difficult to process in bulk. A low viscosity can allow for packaging needs, for example allowing the gel to be pumped straight from the bottle.

What is hand sanitizer density?

Density of hand sanitizer compounded as described in the FDA Guidances is ~0.85g/mL.

gotdya sanitizer viscosity testing

How do you measure alcohol content in hand sanitizer?

To measure the alcohol content in the hand sanitizer, you could use the H-B DURAC 50/100 Percent Isopropyl Alcohol Hydrometer you mention but to make an accurate measurement of the alcohol % you would have to measure before you mixed the alcohol and aloe/glycerin, or other ingredients together.

What is the specific gravity of hand sanitizer?

Specific Gravity @ 25°C: in range of 0.860 (hydrometer).

Does hand sanitizer have high viscosity?

A recent work reported that the optimal viscosity values for a good hand sanitizer gel are 47,000 to 150,000 mPa.

What kind of fluid is hand sanitizer?

Depending on the active ingredient used, hand sanitizers can be classified as one of two types: alcohol-based or alcohol-free. Alcohol-based products typically contain between 60 and 95 percent alcohol, usually in the form of ethanol, isopropanol, or n-propanol.

What is the units of viscosity?

The unit of viscosity is newton-second per square metre, which is usually expressed as pascal-second in SI units.

What is Carbomer 940 used for?

Carbomer 940 is a polyvinyl carboxy polymer used as a viscosity enhancer, gelling agent, or suspension agent. Carbomer 940 is cross linked with ethers of pentaerythritol, and is used primarily in systems where sparkling clarity or a sharp viscosity response is required.

What type of glycerin is used in hand sanitizer?

Background. The World Health Organization (WHO) ethanol-based handrub (EBHR) formulation contains 1.45% glycerol as an emollient to protect healthcare workers' (HCWs) skin against dryness and dermatitis. However, glycerol seems to negatively affect the antimicrobial efficacy of alcohols.

What is Carbomer in hand sanitizer?

Carbomers are thickening agents that help control the viscosity and flow of cosmetic products. They also help distribute and suspend insoluble solids into liquid, and prevent the oil and liquid parts of a solution from separating.

What is viscosity of water?

The viscosity of water at a temperature of 20 degrees Celsius is roughly equal to 0.01 poise or 10^-3 Pa. s (Pascal seconds). Alternately, this value can be represented as 1.0016 mPa.

Is hand sanitizer a Newtonian fluid?

Similar non-Newtonian behavior is used in everyday products like toothpaste and hand sanitizer, as well as in technological applications such as fire suppression and additive manufacturing.

How do you use Carbopol in sanitizer?

Is hand sanitizer liquid or solid?

Hand sanitizer (also known as hand antiseptic, hand disinfectant, hand rub, or handrub) is a liquid, gel or foam generally used to kill many viruses/bacteria/microorganisms on the hands. In most settings, hand washing with soap and water is generally preferred.

Is hand sanitizer liquid or gel?

In short, both liquid and gel hand sanitizer are sufficient to kill the harmful germs on your hands. That being said, liquid sanitizer takes around half the time to do the same job.

How can I make my hand sanitizer thicker?

How to thicken hand sanitizer. I used a little xanthan gum to thicken the DIY hand sanitizer gel. It's perfectly fine to make the DIY hand rub without it, but the hand sanitizer might be rather liquid. The hand sanitizer gel you see in the photos was thickened with xanthan gum and has a wonderful, gel-like texture.

What is hand sanitizer made of?

A: Hand sanitizers labeled as containing the term “alcohol,” used by itself, are expected to contain ethanol (also known as ethyl alcohol). Only two alcohols are permitted as active ingredients in alcohol-based hand sanitizers – ethanol (ethyl alcohol) or isopropyl alcohol (isopropanol or 2-propanol).

Can I use hand sanitizer to clean my phone?

Do not use rubbing alcohol, paper towels, compressed air, dish soap or vinegar. All of these can damage your phone: Paper towels can scratch your screen, and vinegar could damage its coating. Do not use hand sanitizer on your phone screen, but do sanitize your hands before touching your phone.

How long does hand sanitizer last?

How long do hand sanitizers work? According to a recent survey, half of all Americans think the antibacterial gels last longer than they do -- which is two minutes, according to germ experts. The survey was funded by Healthpoint, which sells a sanitizer the company says works for up to six hours.

How do you determine the quality of a sanitizer?

05/5​Flour test

Take some flour in a bowl and add some hand sanitizer to it. Try to knead the dough. If you can knead the dough easily just like you do with water, it means the hand sanitizer is fake. If the dough remains flaky, it indicates that the hand sanitizer is original.

What is the solvent in hand sanitizer?

The chemistry of alcohol

The most common form of alcohol is ethanol (ethyl alcohol), which is the intoxicating agent in alcoholic spirits and is also used as a solvent or a fuel. Another agent commonly used in hand sanitizer products is isopropyl alcohol or rubbing alcohol (2-propanol).

What is the melting point of hand sanitizer?

The ignition temperature of the alcohol in the sanitizer is between 680 to 700 degrees. The ignition temperature of a substance is the least temperature at which the substance starts combustion. For comparison, paper burns at 451 degrees Fahrenheit and a butane lighter flame burns around 3000 degrees.