Boric acid [10043-35-3] Boric acid is used, among others as a fertilizer component, wood impregnation agent, ingredient for the production of boron glass and paints, as well as in tanning. It is also used as a preservative (E284). It is an available, inexpensive and relatively low toxic compound, which is why it has been used as a “green” catalyst for a number of chemical reactions.
Water insoluble substances max. 0.01%
Insoluble substances in C2H5OH as prescribed
Non-volatile substances with methanol max. 0.05%
Chlorides (Cl) max. 0.0003%
Phosphates (PO4) max. 0.001%
Sulphates (SO4) max. 0.005%
Heavy metals (Pb) max. 0.001%
Arsenic (As) max. 0.0001%
Calcium (Ca) max. 0.005%
Iron (Fe) max. 0.0001%
Labels for hazardous chemicals and mixtures that are part of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). The pictograms recommended by GHS have the shape of a square set on the top. They should contain a black symbol on a white background with a red border.
Priority rules to be observed in connection with the labeling of a substance:
– the skull and crossbones, the exclamation mark pictogram should not be added.
– corrosive effect, the exclamation mark pictogram should not be added if it concerns eye or skin irritation.
– health hazard determining respiratory sensitization, the exclamation mark pictogram should not be added if it concerns skin sensitization or irritation to eyes or skin.
Source: GHS pictograms