MERCK 105940.1000 Manganese (II) Nitrate Tetrahydrate GR CAS No.20694-39-7

Key Spec Table

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

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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 90
Quality Level	MQ300

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 Pictogram(s)
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)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.P260: Do not breathe dust.P273: Avoid release to the environment.P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Danger
Storage class	5.1B Oxidizing hazardous materials
WGK	WGK 2 obviously hazardous to water
Disposal	14Inorganic 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

Storage and Shipping Information
Storage	Store at +2°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)	≤ 0.05 %
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 %