Ethanol / Ethanol, solution
UN 1170 - Hazard number 33
The safe transportation of dangerous goods is of crucial importance. In this article, you will learn everything you need to know about ethanol (ethyl alcohol) and ethanol, solution (ethyl alcohol, solution), classified under UN number 1170 and hazard number 33. We explain the meaning of these markings and offer you insights into the correct measures for handling and safe transportation.

UN number 1170 and hazard number 33 in the transportation of dangerous goods

UN Number 1170: Insights and Meaning

UN number 1170 refers to ethanol or ethanol solutions used both in pure form and as a solution. These substances are highly flammable and pose significant risks to people and the environment.

The danger number 33: What does it say?

The danger number 33 indicates that it is a highly flammable liquid. This label provides transportation and emergency responders with important information about the specific hazards posed by this substance.

Properties of ethanol and ethanol solutions:

  • Develops dangerous fumes: These fumes can be harmful to health.
  • Flash point below 23°C: Ethanol is flammable at very low temperatures.
  • Dangerous for eyes and respiratory tract: Direct contact or inhalation can cause serious damage.
  • Miscible with water: Ethanol can mix with water or be heavier than water.

Special dangers

  • Increase in pressure and risk of explosion: Containers can burst when exposed to heat.
  • Explosive mixtures: Ethanol can form explosive mixtures with air.
  • Toxic fumes: When heated or burned, toxic and irritating fumes are produced.
  • Invisible vapors: These vapors are heavier than air and spread along the ground.
  • Narcotic effect: Inhalation can lead to unconsciousness.

Personal protection and operational measures

Personal Protection

  • Respiratory protection independent of circulating air: protection against toxic fumes.
  • Chemical-resistant clothing: protection against contamination.
  • Fire protection clothing according to EN 469: Wear under the protective suit.

General measures

  • Go with the wind: avoid dangers from smoke and fumes.
  • Exclude sources of ignition: Do not smoke or open flames.
  • Consider evacuation: If there is a risk to the public.

Measures in case of material leakage

  • Close leaks: If possible, to prevent further leaks.
  • Collect product: Secure the spilled product using suitable means.
  • Explosion-proof equipment: Do not use sparking tools

Measures in case of fire

  • Cool container: with water to reduce the risk of explosion.
  • Extinguishing media: Extinguish with alcohol-resistant foam, otherwise with spray jet or powder.
  • Break down fire gases: With a spray jet.

Products for labeling and safety:

Special products are essential for labeling hazardous goods. These include

Orange warning signs:
These plates show the UN number and danger number. Our warning signs have been specially developed for the safe identification of dangerous goods in accordance with ADR, RID, IATA and IMDG Code


The color and number of the danger label usually indicates the dangerous goods class. We also provide the additional label for heated substances in this format.


Danger label:
These labels indicate the hazard classes and subclasses of the actual package.


Technical names:
provide clear identification of hazardous substances in accordance with the latest regulations of the IMDG Code 2023.


Examples of substances that may fall under UN number 1170:

Please note that the exact assignment to this UN number depends on the specific properties and transportation conditions of the substance. It is important to consult the exact regulations and safety requirements for the transport of a particular substance to ensure the correct labeling and safety measures.


Used in industry, medicine and as fuel.

Ethanol solutions:

Used in chemistry and pharmacy.

The correct classification

The correct classification of substances for transport, especially in the context of dangerous goods transport, requires special knowledge and experience in the area of ​​dangerous goods regulations. There are various experts and resources that can help classify substances:

  • Dangerous goods officers: Many companies that transport dangerous goods have specially trained dangerous goods officers. These people are responsible for the safe handling, labeling and documentation of dangerous goods.
  • Dangerous goods consultants: External dangerous goods consultants are professionals who can support companies in the proper classification, labeling and documentation of dangerous goods. They have specialist knowledge of the applicable regulations and can help with the classification of substances.
  • Authorities and regulatory bodies: The responsible national and international authorities and regulatory bodies, such as the Federal Office for Logistics and Mobility (BALM) in Germany or the United Nations Economic Commission for Europe (UNECE), provide guidelines and Regulations for the transport of dangerous goods. You can also answer questions about the classification of substances.
  • Databases and Resources: There are databases and resources that provide information on various hazardous substances and their classification according to international regulations. These can be used as reference works.
  • Training and seminars: Participating in training and seminars on the transport of dangerous goods can help companies and individuals acquire the knowledge necessary to correctly classify substances.

It is important to consult relevant national and international regulations and guidelines and to always consult experts if you are uncertain or have questions to ensure that dangerous goods are transported safely and lawfully. The classification of substances is of crucial importance in order to avoid accidents and hazards.

Conclusion: Safety through correct labeling

Compliance with the labeling and handling of ethanol according to UN 1170 and hazard number 33 is crucial for safe transport. Take advantage of our high-quality labeling products and stay up to date on new training kits and accessories by subscribing to our newsletter or following us on LinkedIn.

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At BOXLAB Services, quality, service and customer satisfaction are our top priorities. Despite the economic challenges of inflation, we want to offer our customers high-quality dangerous goods labels such as hazard labels at attractive prices. Visit our website to discover the new prices and benefit from the extended ordering options. We are proud to continue to offer you first-class products and outstanding customer service.

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