Merck 105940 Manganese(II) nitrate tetrahydrate for analysis EMSURE® 1 kg

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LB.M.105940.1000

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CAS Number: 20694-39-7 EC Number: 233-828-8 Molar Mass: 251.01 g/mol Chemical Formula: Mn(NO₃)₂ * 4 H₂O Hill Formula: MnN₂O₆ * 4 H₂O

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CAS Number: 20694-39-7

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Merck 105940
Manganese(II) nitrate tetrahydrate for analysis EMSURE^®

Description
Catalogue Number	105940
Description	Manganese(II) nitrate tetrahydrate

Product Information
CAS number	20694-39-7
EC number	233-828-8
Hill Formula	MnN₂O₆ * 4 H₂O
Chemical formula	Mn(NO₃)₂ * 4 H₂O
Molar Mass	251.01 g/mol
HS Code	2834 29 80

Physicochemical Information
Density	2.13 g/cm3 (20 °C)
Melting Point	37 °C
pH value	3 (50 g/l, H₂O, 20 °C)
Bulk density	750 - 950 kg/m3
Solubility	3800 g/l

Safety Information according to GHS
Hazard Statement(s)	H272: May intensify fire; oxidizer. H302: Harmful if swallowed. H314: Causes severe skin burns and eye damage. H373: May cause damage to organs through prolonged or repeated exposure if inhaled. H412: Harmful to aquatic life with long lasting effects. EUH071: Corrosive to the respiratory tract.
Precautionary Statement(s)	P273: Avoid release to the environment. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word	Danger
Storage class	5.1B Oxidizing hazardous materials
WGK	WGK 2 water endangering
Disposal	14 Inorganic 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).

Safety Information
Categories of danger	oxidizing
R Phrase	R 8-22-34-48/20-52/53 Contact with combustible material may cause fire.Harmful if swallowed.Causes burns.Harmful: danger of serious damage to health by prolonged exposure through inhalation.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase	S 7/8-17-26-28-29/56-36/37/39-61-62 Keep container tightly closed and dry.Keep away from combustible material.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, wash immediately with plenty of water.Do not empty into drains, dispose of this material and its container at hazardous or special waste collection point.Wear suitable protective clothing, gloves and eye/face protection.Avoid release to the environment. Refer to special instructions/ Safety data sheets.If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label.

Storage and Shipping Information
Storage	Store at +5 °C to +30 °C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 2724 , 5.1, III
Declaration (transport by air) IATA-DGR	UN 2724 , 5.1, III
Declaration (transport by sea) IMDG-Code	UN 2724 , 5.1, III

Specifications
Assay (complexometric)	≥ 98.5 %
pH-value (5 %; water)	2.8 - 3.6
Chloride (Cl)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.005 %
Ca (Calcium)	≤ 0.001 %
Cu (Copper)	≤ 0.0005 %
Fe (Iron)	≤ 0.0005 %
K (Potassium)	≤ 0.005 %
Mg (Magnesium)	≤ 0.005 %
Na (Sodium)	≤ 0.005 %
NH₄ (Ammonium)	≤ 0.05 %
Ni (Nickel)	≤ 0.001 %
Pb (Lead)	≤ 0.001 %
Zn (Zinc)	≤ 0.001 %

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