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Ammonia Information

Ammonia (NH3)

Chemical Formula

NH3

CAS Number

7664-41-7

Industry Uses

Fertilizers, Cleaners, Cooling Systems, Pharmaceuticals

Health Risks

Irritation to eyes, airway, sinuses, and throat. Neurotoxin and Metabotoxin; Burns and Coughing

Vapor Pressure

857.3 kPa

Water Solubility

Soluble

Flammability

Flammable

Odor

Pungent; Familiar to many as it is used in smelling salts and household cleaners

Ammonia MSDS

What is Ammonia?

Ammonia is a nitrogen-based compound. It is colorless, but has a very strong, noticeable smell, even at very low levels. Ammonia is a common nitrogenous waste product and is found in nature from decomposing organic material, animal waste, and even in our solar system. Although ammonia is common in nature and widely used across industry, it is classified as an extremely hazardous substance because it is both caustic and flammable. Ammonia boils at -33.34°C at standard pressure, so liquid ammonia must be stored under pressure or at very low temperatures. Ammonia is flammable and has a tendency to explode under pressure.

Ammonia Exposures and Health Risks

Ammonia is found in many household cleaners as well as in most agricultural fertilizers. Cooling and Refrigeration systems have recently started adapting the use of ammonia, and ammonia is also a large part of the pharmaceutical world. Ammonia is extremely dangerous, even in small concentrations or small time exposures. Ammonia is toxic whether inhaled or ingested, as well as to aquatic life. Ammonia is also an irritant, especially to the eyes, nose, throat, and lungs if inhaled. Burns and coughing are common side effects. Contact with the eye can cause blindness. Ammonia is both a neurotoxin, causing damage to neural tissue and cells, and a metabotoxin, causing various adverse health effects.

Regulations

The table below summarizes the most-recent exposure limits.

 Limit/Level

 Type

 Organization

 30 ppm

 AEGL-1 (8 hrs)

 EPA

 110 ppm

 AEGL-2 (8 hrs)

 EPA

 2700 ppm

 AEGL-3 (10 min)

 EPA

 390 ppm

 AEGL-3 (8 hrs)

 EPA

 25 ppm

 TWA (10 hrs)

 NIOSH

 35 ppm

 Short Term Exposure Limit

 NIOSH

50 ppm

PEL (8 hrs)

 OSHA

Sources: NIOSH, EPA, OSHA

Measuring Ammonia

Ammonia can be measured in air or in liquid (dissolved) using a variety of methods. The most common method is using Electrochemical Gas Sensors, which is what all of our Ammonia products use. Ammonia is normally measured in parts per million (ppm) for human safety uses. Ammonia is sometimes measured in percent by weight for commercial production and storage applications. All of our ammonia monitors measure in ppm. To see our portable ammonia monitors, click HERE. To see our fixed ammonia monitors, click HERE. To see our liquid (dissolved) ammonia sensors, click HERE.

All of our ammonia products can be found HERE.

 

Contact us for help choosing the right Ammonia Sensor for your application

 

Ammonia (NH3) monitoring solutions are shown below

C-16 PortaSens Ammonia Sensor

The C-16 allows for multiple gas sensors go be purchased and used.  With a fast response time, and features such as data logging, alarms, and min,max,avg recording, this is a great all around gas sensor for most every use.

In the C-16 page choose the sensor that is right for you. Ammonia sensors are available in a 0-200 or 0-1000 ppm range.  Also choose other sensors that may be right for you.

The sensors used in the C-16 are also directly interchangeable with either the F-12, or D-12 toxic gas transmitters.  This makes the C-16 the perfect handheld device to use along with wall mounted toxic gas transmitters.

GasAlert Ammonia

Rugged and versatile.  This feature rich sensor is capable, with integrated audible alarm and datalogging capabilities.

0-100 or 0-400 ppm range and intrinsically safe design make this a great monitor for personnel safety in hazardous environments.

Series-500 Ammonia Monitor

The Series-500 Monitor Ammonia sensor heads are available in 0-100 ppm or 0-1000 ppm ranges using a Gas Sensitive Electrochemical technology (GSE).

The Series-500 can be configured with a variety of other gas detecting heads to provide you with additional flexibility.

The Series-500 boasts:

  • audible alarm

  • min/max/avg recording

  • internal relays for external control of devices or alarms

  • integrated data logging with industry leading desktop software

Series-200 Ammonia Monitor

The Series-200 Monitor Ammonia sensor heads are available in 0-100 ppm or 0-1000 ppm ranges using a Gas Sensitive Electrochemical technology (GSE).

The Series-200 can be configured with a variety of other gas detecting heads to provide you with additional flexibility.

The Series-200 boasts:

  • audible alarm

  • min/max/avg recording

Series-300 Ammonia Monitor

The Series-300 Monitor Ammonia sensor heads are available in 0-100 ppm or 0-1000 ppm ranges using a Gas Sensitive Electrochemical technology (GSE).

The Series-300 can be configured with a variety of other gas detecting heads to provide you with additional flexibility.

The Series-300 boasts:

  • audible alarm

  • min/max/avg recording

  • internal relays for external control of devices or alarms

D-12 Toxic Gas Transmitter

The D-12 allows for multiple gas sensors go be purchased and used.  The D-12 is designed for operation in hazardous areas. The cast aluminum housing for the D12 transmitter is rated for Class 1, Division 1, Group B, C, D locations and is UL, FM, and CSA certified.

In the D-12 page choose the sensor that is right for you. Ammonia sensors are available in a 0-200 or 0-1000 ppm range.  Also choose other sensors that may be right for you.

Series-900 Ammonia Controller

The Series-900 Controller Ammonia sensor heads are available in 0-100 ppm or 0-1000 ppm ranges using a Gas Sensitive Electrochemical technology (GSE).

The Series-900 can be configured with a variety of other gas detecting heads to provide you with additional flexibility.

The Series-900 boasts:

  • Versatile controller with 4-20mA output and RS-485 output

  • 2 alarm relays and 2 control relays that are user settable

F-12 Toxic Gas Detector

The F-12 allows for multiple gas sensors go be purchased and used.  The F-12 is configurable with options such as and intrinsically safe enclosure, remote mounted sensors and others.

In the F-12 page choose the sensor that is right for you. Ammonia sensors are available in a 0-200 or 0-1000 ppm range.  Also choose other sensors that may be right for you.



 


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