NOTE! H/P and R/S phrases are safety assessments from suppliers. Different suppliers have different assessments for the same material, and the safety assessments are furthermore highly dependent on the physical forms of the materials. Therefore, the presented safety asssessments are subject to variations, depending of the supplier and form, and only serves as a general guideline for the risks, or lack thereof, when handling the elements.

For more information about labelling of chemicals, click here

Click the following links to see the full lists for

Labelling according Regulation (EC) No 1272/2008 (GHS):


Signal word: Danger

Hazard statement(s)
H228Flammable solid.
H317May cause an allergic skin reaction.
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H413May cause long lasting harmful effects to aquatic life.

Precautionary statement(s)
P210Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P261Avoid breathing dust.
P280Wear protective gloves.
P342 + P311If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician.

Supplemental Hazard Statements:

European marking and R/S phrases (obsolete):

Symbol: Xn
R-phrases: 42/43-53
S-phrases: -