What is an R phrase?

What is an R phrase?

R-phrases, also known as risk phrases, specify the particular danger(s) of a hazardous substance. R-phrases consist of the letter R followed by a number, or a sequence of numbers.

Are R phrases still used?

These risk phrases are used internationally, not just in Europe, and there is an ongoing effort towards complete international harmonization using the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) which now generally replaces these risk phrases. …

What are the safety phrases indicated in the label?

Additional Info

Single Safety Phrases
S2 Keep out of the reach of children.
S3 Keep in a cool place.
S4 Keep away from living quarters.
S5 Keep contents under (appropriate liquid to be specified by the manufacturer).

What are R and S phrases?

Risk and Safety Statements, also known as R/S statements, R/S numbers, R/S phrases, and R/S sentences, is a system of hazard codes and phrases for labeling dangerous chemicals and compounds. The R/S statement of a compound consists of a risk part (R) and a safety part (S), each followed by a combination of numbers.

What is R phrases in MSDS?

Additional Info

Single Risk Phrases
R1 Explosive when dry.
R2 Risk of explosion by shock, friction, fire or other sources of ignition.
R3 Extreme risk of explosion by shock, friction, fire or other sources of ignition.
R4 Forms very sensitive explosive metallic compounds.

What does safety phrase mean?

Safety phrases, or S-phrases, consist of the letter S followed by a number. S-phrases denote the appropriate safety precautions and measures to take in order to safely work with hazardous chemicals in the workplace.

What did CLP replace?

The Dangerous Substances Directive and the Dangerous Preparations Directive were replaced by the direct-acting European CLP Regulation. Since 1 June 2015, both Directives were fully withdrawn and no longer have any legal effect.

What are safety phrases?

What does the safety phrase R25 usually refer to?

R25 – Toxic if swallowed. R26 – Very toxic by inhalation. R27 – Very toxic in contact with skin. R28 – Very toxic if swallowed.

What is an example of a precautionary statement?

Examples of precautionary statements include: wear eye protection. do not eat, drink or smoke when using this product. avoid release to the environment.

What is the safety symbol for corrosive?

The exclamation mark pictogram is used for the following classes and categories: Acute toxicity – Oral, Dermal, Inhalation (Category 4) Skin corrosion/irritation – Skin irritation (Category 2)

Where is a safety phrase displayed?

You should expect to see precautionary statements appear on labels and Material Safety Data Sheets over the next few years as the US moves toward complying with the GHS. To learn more about precautionary statements, or P-statements, click here. More than one S-phrase may appear on a label or MSDS safety sheet.

What are the your phrase and s number?

R phrase and R number: phrases indicating the risks of hazardous preparations and substances, and their numbers respectively. S phrase and S number: phrases related to the safe handling of hazardous preparations, and their numbers respectively. Risk Phrases (R) and Safety Phrases (S) also occur in combinations (combined R and S phrases).

How many are phrases are needed to convey a risk?

They were typically presented in combination, such as R36/37/38. In the first table below, single phrases are given, and in the second table, combinations are given. In general, no more than four R-phrases were sufficient to adequately communicate the risks of a particular material.

Can you have more than one R-phrase on a MSDS?

More than one R-phrase may appear on an MSDS. These are usually presented in combination, such as R36/37/38. In the first table below, single phrases are given, and in the second table, combinations are given. In general, no more than four R-phrases should be sufficient to adequately communicate the risks of a particular material.

How are risk phrases used in the world?

These risk phrases are used internationally, not just in Europe, and there is an ongoing effort towards complete international harmonization using the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) which now generally replaces these risk phrases.

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