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1309-42-8
bosschemical
1309-42-8
Magnesium hydroxide
CAS 1309-42-8
Alias：Magnesiumhydroxide,Ph.Eur.4,BP2001,USP24,E528;Magnesiumhydroxide,min.95%,10-15micron;Magnesiumhydrate,highpurityflameretardant;MagnesiumhChemicalbookyroxideusp25;MAGNESIUMHYDROXIDE,POWDER;MAGNESIUMHYDROXIDESIGMAULTRA;MAGNESIUMHYDROXIDEREAGENTGRADE95%;MAGNESIUMHYDROXIDE,NANOPOWDER,99.9%
Molecular formula：H2MgO2
Molecular weight：58.32
Structural formula：
1.Performance and use
Magnesium hydroxide is a kind of inorganic flame retardant and smoke suppressant with high filling amount and additive type. When heated, decomposition occurs to absorb the heat on the surface of the burning material to achieve flame retardant effect; at the same time, a large amount of water is released to dilute the oxygen on the surface of the burning material, and the active magnesium oxide generated by decomposition will be attached to the surface of the combustible material to prevent the combustion from taking place. In the whole flame retardant process, magnesium hydroxide does not produce any harmful substances, and decomposition of the product in the flame retardant at the same time, but also a large number of plastics, rubber and other polymer combustion to absorb the harmful gases and smoke, is an emerging environmentally friendly inorganic flame retardant.
Used as analytical reagent, also used in the pharmaceutical industry, used in medicine as antacid and laxative, can also be used in the production of sugar and magnesium oxide and so on.
2.Technical indicators
NO. | Test Item | Unit | Standard | Measured |
1 | Mg(OH)2 | % | ≥90.00 | 90.17 |
2 | CaO | % | ≤2.50 | 1.88 |
3 | Acid insoluble matter | % | ≤6.00 | 5.25 |
4 | Fe3+ | % | ≤0.30 | 0.21 |
5 | Moisture | % | ≤0.50 | 0.37 |
6 | Ignition loss | % | ≥28.00 | 28.56 |
7 | Particle size (D50) | um | D50≤3 | D50=2.728 |
8 | Passing on 325 mesh | % | ≥98.0 | 99.5 |
9 | Whiteness | % | ≥90 | 91.2 |
3. Packaging and storage
Packaging specification: 25kg/bag，which can also be determined according to user needs
During transportation, it is necessary to protect against sunlight, rain, and high temperatures.
The product should be stored in a cool, dark, ventilated place, away from sources of fire.
4. Safety protection
Pay attention to labor protection when handling it and avoid contact with skin, eyes, etc.
After contact, rinse immediately with plenty of water
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Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)
Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)
GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination
