Thiourea 97% [62-56-6]

Thiourea 97% [62-56-6] Thiourea used to determine bismuth. In liquids for animal glues and silver cleaners. Photographic fixing agent and for removing stains from negatives; resin production; vulcanization accelerator; reagent for bismuth, selenite ions. Thiourea is used for the production of resins, as a vulcanization accelerator, and as an aphotographic fixing agent and for removing stains from negatives.

Density: 1.405 g / cm3 (20 ° C)
Ignition temperature: 440 ° C Dust
Melting point: 169 – 178 ° C
PH value: 6-8 (50 g / l, H₂O, 20 ° C)
Bulk density: 640 kg / m3
Solubility: 137 g / l
Test (ex N): ≥ 98.0%
Test (Fe): ≤ 0.001%
Identity (IR): pass the test

Hazard pictograms

Labeling of 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