Sodium acetate anhydrous 98% [127-09-3] Sodium acetate used as a food additive with the number E262 as an acidity regulator and preservative. Sodium acetate solution is the active ingredient of thermal heaters, used as hand warmers or compresses. These are plastic containers of various shapes, filled with a saturated (at room temperature) solution of sodium acetate, which, stimulated by a mechanical stimulus, crystallizes, releasing heat.
Appearance white, hygroscopic powder
Water insoluble substances max. 0.01%
pH (5%, 20oC) 7.0 – 9.2
Losses after drying (120 ° C) max. 1.0%
Chlorides (j. Cl) max. 0.002%
Phosphates (PO4) max. 0.0005%
Sulphates (SO4) max. 0.002%
Heavy metals (Pb) max. 0.001%
Zinc (Zn) max. 0.0005%
Aluminum (Al) max. 0.001%
Magnesium (Mg) max. 0.0005%
Copper (Cu) max. 0.0005%
Lead (Pb) max. 0.0005%
Potassium (K) max. 0.03%
Calcium (Ca) max. 0.001%
Iron (Fe) max. 0.0005%
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.
– corrosivity, the pictogram exclamation mark 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
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