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 are R and S-phrases in Coshh?
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.
What are the 9 sections of the MSDS?
If you are using a 9-section MSDS, the types of information may be in a different order and under slightly different headings.
- Product and Company Identification.
- Hazards Identification.
- Composition, Information on Ingredients.
- First Aid Measures.
- Fire Fighting Measures.
- Accidental Release Measures.
- Handling And Storage.
What is H phrases in MSDS?
The codes have the form Hnxx where H stands for “hazard statement”; n=2 for physical hazards, n=3 for health hazards, and n=4 for environmental hazards; and xx is a sequential numbering scheme. Thus, an SDS or label might bear a statement such as “May be corrosive to metals (H290)”.
What is an R phrase on a chemical label?
Risk Phrases (R-phrases) The European Union (EU) requires that risk phrases (R-phrases) appear on each label and safety data sheet for hazardous chemicals. R-phrases consist of the letter R followed by a number. The precise meaning of each of these appears in the table below.
How many R-phrases should be on an 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.
Are risk phrases required on labels or safety data sheets?
Risk phrases were never required on labels or Safety Data Sheet by U.S. OSHA, however, they were required in the European Community. As risk phrases were formally phased out in 2015, they are generally only seen on older (and obsolete) SDS’s.
What are R-phrases for hazardous chemicals?
Prior to May 31, 2015, the European Union (EU) required that risk phrases (R-phrases) appear on each label and Safety Data Sheet for hazardous chemicals. R-phrases consisted of the letter R followed by a number.