MERCK 109099.1000 Iodine Solution c(I2)=0,05 mol/L (0.1N)

Key Spec Table

Grade Value
Reag. Ph Eur

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Description
Catalogue Number	109099

Product Information
Grade	Reag. Ph Eur
HS Code	3822 90 00
Quality Level	MQ100

Physicochemical Information
Density	1.02 g/cm3 (20 °C)
pH value	3.5 (H₂O, 20 °C)

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H373: May cause damage to organs through prolonged or repeated exposure if swallowed.EUH210: Safety data sheet available on request.
Precautionary Statement(s)	P260: Do not breathe mist or vapours.P314: Get medical advice/ attention if you feel unwell.P501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word	Warning
Storage class	10 - 13 Other liquids and solids
WGK	WGK 2 obviously hazardous to water
Disposal	28Aqueous solutions: Container D.

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

Specifications
Form	liquid
Amount-of-substance concentration	0.04995 - 0.05005 mol/l
Measurement uncertainty	+/- 0.00015
Traceability	NIST SRM
The stated batch and specification values for the amount of substance concentration are valid at the time of bottling.The amount-of-substance concentration of this volumetric solution is analyzed by our quality control laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO/IEC 17025.The concentration is determined by volumetric titration and refers to 20°C.The amount-of-substance concentration of this volumetric solution is determined with standardized sodium thiosulfate solution (article number 1.09147). The sodium thiosulfate solution is standardized and traceable to a primary standard reference material (SRM) from the National Institute of Standards and Technology, Gaithersburg, USA (NIST SRM 136 potassium dichromate) by means of volumetric standard potassium iodate (article number 1.02404), certified reference material according to ISO 17034, analyzed by our accredited calibration laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO/IEC 17025. The uncertainty is expressed as expanded measurement uncertainty with a coverage factor k=2 covering a confidence level of 95%.Note: The concentration of this volumetric solution decreases over time, due to its chemical properties. If high accuracy is expected, the titer, being a corrective factor that compensates for this effect as well as variations of equipment, personal handling, temperature and other laboratory conditions, must be determined directly after opening a new bottle and should be verified at regular intervals.