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Description
Catalogue Number	108180

Physicochemical Information
Melting Point	235 °C
pH value	1.7 – 1.9 (10 g/l, H₂O, 20 °C)
Bulk density	210 kg/m3
Solubility	50 g/l slightly soluble

Toxicological Information
LD 50 oral	LD50 Rat > 5000 mg/kg

Safety Information according to GHS
Storage class	10 – 13 Other liquids and solids
WGK	WGK 2 obviously hazardous to water
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Storage and Shipping Information
Storage	Store at +15°C to +25°C.

Specifications
Assay (acidimetric; calculated on dried substance)	≥ 99
Identity (IR-spectrum)	passes test
pH-value (1 %; water)	1.7 – 1.9
Loss on drying (20 mbar, 60 °C)	≤ 1
Suitability as reagent (for sorbic acid)	passes test

Merck 108180 0025 Thiobarbituric Acid Reagent For Sorbic Acid 25 GR.