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Magnesium nitrate hexahydrate

Basic information Uses Production Methods Safety Supplier Related

Magnesium nitrate hexahydrate Basic information

Product Name:
Magnesium nitrate hexahydrate
Synonyms:
  • dusicnanhorecnaty
  • MAGNESIUM META
  • MAGNESIUM MATRIX MODIFIER, FOR GRAPHITE FURNACE-AAS
  • MAGNESIUM NITRATE HEXAHYDRATE 99.999+%
  • MAGNESIUM NITRATE HEXAHYDRATE*SIGMAULTRA
  • MAGNESIUM NITRATE HEXAHYDRATE 99% A.C&
  • MAGNESIUM NITRATE HEXAHYDRATE, REAGENT-PLUS, 99.99+%
  • MAGNESIUM NITRATE HEXAHYDRATE, 99%, A.C. S. REAGENT
CAS:
13446-18-9
MF:
H12MgN2O12
MW:
256.41
EINECS:
603-823-9
Product Categories:
  • metal nitrate salts
  • Metal and Ceramic Science
  • ACS GradeSynthetic Reagents
  • Essential Chemicals
  • Routine Reagents
  • Matrix Modifiers (for Graphite Furnace AAS)Protein Structural Analysis
  • Inorganic Salts
  • Magnesium
  • Synthetic Reagents
  • Analytical Reagents
  • Replacement Kit Items
  • Water Test
  • Atomic Absorption Spectroscopy (AAS)
  • Spectroscopy
  • M-N, Puriss p.a. ACS
  • Analytical Reagents for General Use
  • Puriss p.a. ACS
  • Magnesium Salts
  • MagnesiumMetal and Ceramic Science
  • Salts
  • MagnesiumProtein Structural Analysis
  • Optimization Reagents
  • X-Ray Crystallography
Mol File:
13446-18-9.mol
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Magnesium nitrate hexahydrate Chemical Properties

Melting point:
89 °C
Boiling point:
330 °C
Density 
1.63
vapor density 
6 (vs air)
vapor pressure 
1 mm Hg ( 621 °C)
Flash point:
−26 °F
storage temp. 
2-8°C
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
turnings
color 
White
Specific Gravity
1.64
PH
5.0-8.2 (25℃, 50mg/mL in H2O)
Water Solubility 
420 g/L (20 ºC)
Sensitive 
Hygroscopic
Merck 
14,5674
BRN 
4948473
Stability:
Stable. Strong oxidizer - contact with organic material may lead to fire. Do not store near combustible materials. Incompatible with combustible materials, organics, strong reducing agents.
CAS DataBase Reference
13446-18-9(CAS DataBase Reference)
EPA Substance Registry System
Magnesium (II) nitrate, hexahydrate (13446-18-9)
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Safety Information

Hazard Codes 
C,Xi,O,T
Risk Statements 
34-8-36/37/38-23/24/25
Safety Statements 
43-7/8-37/39-36-17-26-45-36/37/39-23-27
RIDADR 
UN 2056 3/PG 2
WGK Germany 
-
RTECS 
OM3756000
3-9
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
28342980
Toxicity
LD50 orally in Rabbit: 5440 mg/kg

MSDS

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Magnesium nitrate hexahydrate Usage And Synthesis

Uses

Sodium bisulfate is used for pickling metals; bleaching leather; carbonizing wool; in carbonic acid baths, and manufacturing magnesia cements.

Production Methods

Sodium bisulfate is a by-product of sodium sulfate manufacture. One process involves reacting sulfuric acid with sodium nitrate at high temperature to form nitric acid and sodium bisulfate:
NaNO3 + H2SO4 → NaHSO4 + HNO3 (g)
In the above reaction, nitric acid is obtained as vapor. It is purged from the system and collected in water to obtain nitric acid solution of desired concentration. Sodium bisulfate is separated by fractional crystallization.

Chemical Properties

White colourless crystal

Uses

Magnesium nitrate hexahydrate may be used as a starting material for the synthesis of Mg-Al spinel precursors, required for the preparation of magnesium aluminate spinel (MgAl2O4) powder.

General Description

Magnesium nitrate hexahydrate is a hydrated magnesium salt. A mixture of magnesium nitrate hexahydrate and magnesium chloride hexahydrate has been reported as a potential phase change material (PCM) for the storage of latent thermal energy. It has been employed as a base material in this mixture to evaluate the storage and effective utilization of urban waste heat from emerged co-generation systems. Its crystals belong to the monoclinic crystal system.

Hazard

Low toxicity by ingestion. A mild skin and eye irritant.

Purification Methods

Crystallise the nitrate from water (2.5mL/g) by partial evaporation in a desiccator. It is deliquescent and is soluble in EtOH. After two recrystallisations, ACS grade salt has: metal (ppm) Ca (6.2), Fe (8.4), K (2), Mo (0.6), Na (0.8), Se (0.02).

Magnesium nitrate hexahydrate Preparation Products And Raw materials

Raw materials

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