Trisodium citrate dihydrate 99-100.5% AR [6132-04-3]
Trisodium citrate is mainly used as a food additive, usually as a flavoring or preservative. Anticoagulant for blood collection. In photography; as a masking agent for removing trace metals; as an emulsifier, acidulant and sequestrant in food. Anticoagulant also used as a biological buffer.
Insoluble substances: ≤ 0.005%
PH value (5%; water; 25 ° C): 7.5 – 9.0
Acidity or alkalinity: positive test result
Chloride (Cl): ≤ 0.001%
Oxalate (C₂O₄): ≤ 0.0300%
Phosphate (PO₄): ≤ 0.002%
Sulphate (SO₄): ≤ 0.004%
Total nitrogen (N): ≤ 0.001%
Heavy metals (ACS): ≤ 0.0005%
Heavy metals (as Pb): ≤ 0.0005%
Ca (calcium): ≤ 0.005%
Fe (iron): ≤ 0.0005%
NH₃ (ammonia): ≤ 0.003%
Water: 11.0 – 13.0%
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