Butyric acid pure [107-92-6]
Butyric acid is used in the production of fragrances, dyes and medicines. The butyric acid esters often have a pleasant smell for people and are used in the food industry to produce fruit essences. For example, butyl butyrate has a pineapple smell.
Appearance colorless, clear liquid
Content (GC) min. 98%
Color Hz max. 15
Refractive index (20 ° C) min. 1.3965 max. 1.3995
Boiling point: 162 – 165 ° C (1013 mbar)
Density: 0.96 g / cm3 (20 ° C)
Explosion limits: 2 – 12.3% (V)
Flash point: 69 ° C
Flash point: 425 ° C
Melting point: -8 – -5 ° C
PH value: 2.5 (100 g / l, H₂O, 20 ° C)
Steam pressure: 0.56 hPa (20 ° C)
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