Specific target organ toxicity following single exposure, category 3
- Respiratory tract irritation
- Narcotic effects
Not used
with the "skull and crossbones" pictogram
for skin or eye irritation if:
the "corrosion" pictogram also appears
the "health hazard" pictogram is used to indicate respiratory sensitization
Safety & Transport Information
Poison. Reacts with water or acids to form a spontaneous flammable borane gas. See also BORANES and MAGNESIUM COMPOUNDS.
Risk Codes:
R15/29 - Contact with water liberates toxic, extremely flammable gases R22 - Harmful if swallowed
Safety Codes:
S22 - Do not breathe dust S24/25 - Avoid contact with skin and eyes
RID/ADR certification :
3134
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Alternative Distributors of [Magnesium diboride]
Producers or manufacturers change the product range from time to time.
The following companies have appeared as suppliers in the past / currently not verified
Element: 
Chemical-Suppliers.eu