Merck 104905 0500 Potassium Bromide Gr For Analysis Acs 500 GR.

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Description
Catalogue Number	104905
Replaces	PX1380; PX1380-1
Synonyms	Hydrobromic Acid Potassium Salt

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Product Information
CAS number	7758-02-3
EC number	231-830-3
Grade	ACS,Reag. Ph Eur
Hill Formula	BrK
Chemical formula	KBr
Molar Mass	119.01 g/mol
HS Code	2827 51 00
Quality Level	MQ300

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Physicochemical Information
Boiling point	1435 °C (1013 hPa)
Density	2.750 g/cm3
Melting Point	734 °C
pH value	5.0 - 6 (119 g/l, H₂O, 25 °C)
Vapor pressure	1.3 hPa (795 °C)
Bulk density	900 - 1000 kg/m3
Solubility	650 g/l

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Toxicological Information
LD 50 oral	LD50 Rat > 2000 mg/kg

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Safety Information according to GHS
Hazard Pictogram(s)	\n
Hazard Statement(s)	H319: Causes serious eye irritation.
Precautionary Statement(s)	P264: Wash skin thoroughly after handling.\nP280: Wear eye protection/ face protection.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.\nP337 + P313: If eye irritation persists: Get medical advice/ attention.
Signal Word	Warning
RTECS	TS7650000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	14\nInorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

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Safety Information
Categories of danger	irritant

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Storage and Shipping Information
Storage	Store at +2°C to +30°C.

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Specifications
Assay (argentometric)	≥ 99.5 %
Assay (argentometric; calculated on dried substance)	99.5 - 100.5 %
Identity	passes test
Appearance of solution	passes test
Insoluble matter	≤ 0.005 %
Acidity or alkalinity	passes test
pH-value (5 %; water)	5.0 - 8.0
Bromate(BrO₃)	passes test
Bromate (BrO₃)	≤ 0.001 %
Chloride (Cl)	≤ 0.1 %
Iodate	≤ 0.001 %
Iodide (I)	passes test
	≤ 0.001 %
Sulfate (SO₄)	≤ 0.005 %
Heavy metals (ACS)	≤ 5 ppm
Ba (Barium)	≤ 0.002 %
Ca (Calcium)	≤ 0.001 %
Fe (Iron)	≤ 5 ppm
Hg (Mercury)	≤ 0.000001 %
Mg (Magnesium)	≤ 0.001 %
Na (Sodium)	≤ 0.02 %
Magnesium and alkaline-earth metals (as Ca)	≤ 0.02 %
Loss on Drying (105 °C)	≤ 0.5 %
Conform to ACS, Rea. Ph Eur