Magnesium hydroxide
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- $5 - $699
- Product name: Magnesium hydroxide
- CAS: 1309-42-8
- MF: H2MgO2
- MW: 58.32
- EINECS:215-170-3
- MDL Number:MFCD00011104
- Synonyms:Magnesium hydroxide, min. 95%, 10-15 micron;Magnesium hydrate,high purity flameretardant;Magnesium hyroxide usp25;MAGNESIUM HYDROXIDE, POWDER;MAGNESIUM HYDROXIDE SIGMAULTRA;MAGNESIUM HYDROXIDE REAGENT GRADE 95%;MAGNESIUM HYDROXIDE, NANOPOWDER, 99.9%;MAGNESIUM HYDROXIDE 98+% 9UM
44 prices
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Brand
- aablocks
- AK Scientific
- Ambeed
- Chem-Impex
- ChemScene
- GFS CHEMICALS
- Sigma-Aldrich
- Strem Chemicals
- Thermo Scientific Chemicals
- TRC
- Usbiological
Package
- 1g
- 25g
- 50g
- 100g
- 250g
- 500g
- 1kg
- 2KG
- 2.5KG
- 25 g
- 500 g
- Manufactureraablocks
- Product numberAA003RC2
- Product descriptionMagnesium hydroxide ≥95%
- Packaging500g
- Price$21
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003RC2
- Product descriptionMagnesium hydroxide ≥95%
- Packaging250g
- Price$13
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003RC2
- Product descriptionMagnesium hydroxide ≥95%
- Packaging100g
- Price$11
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003RC2
- Product descriptionMagnesium hydroxide ≥99%(KT)
- Packaging25g
- Price$10
- Updated2026-05-28
- Buy
- ManufacturerAK Scientific
- Product numberG772
- Product descriptionMagnesiumhydroxide,30-50um
- Packaging1kg
- Price$86
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA528708
- Product descriptionMagnesium hydroxide 99%
- Packaging100g
- Price$5
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA528708
- Product descriptionMagnesium hydroxide 99%
- Packaging500g
- Price$7
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA528708
- Product descriptionMagnesium hydroxide 99%
- Packaging1kg
- Price$9
- Updated2021-12-16
- Buy
- ManufacturerChem-Impex
- Product number36529
- Product descriptionMagnesium hydroxide 95.0-100.5%
- Packaging25G
- Price$48
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number36529
- Product descriptionMagnesium hydroxide 95.0-100.5%
- Packaging500G
- Price$84.4
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number36529
- Product descriptionMagnesium hydroxide 95.0-100.5%
- Packaging2KG
- Price$261.6
- Updated2026-05-19
- Buy
- ManufacturerChemScene
- Product numberCS-1101543
- Product descriptionMagnesium hydroxide, 99%(KT)
- Packaging250g
- Price$173
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-1101543
- Product descriptionMagnesium hydroxide, 99%(KT)
- Packaging100g
- Price$87
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-1101543
- Product descriptionMagnesium hydroxide, 99%(KT)
- Packaging50g
- Price$49
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-1101543
- Product descriptionMagnesium hydroxide, 99%(KT)
- Packaging25g
- Price$27
- Updated2026-06-04
- Buy
- ManufacturerGFS CHEMICALS
- Product number48881
- Product descriptionMAGNESIUMHYDROXIDE,REAG
- Packaging500g
- Price$50.31
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA003RC2 | Magnesium hydroxide ≥95% | 500g | $21 | 2026-05-28 | Buy |
| aablocks | AA003RC2 | Magnesium hydroxide ≥95% | 250g | $13 | 2026-05-28 | Buy |
| aablocks | AA003RC2 | Magnesium hydroxide ≥95% | 100g | $11 | 2026-05-28 | Buy |
| aablocks | AA003RC2 | Magnesium hydroxide ≥99%(KT) | 25g | $10 | 2026-05-28 | Buy |
| AK Scientific | G772 | Magnesiumhydroxide,30-50um | 1kg | $86 | 2021-12-16 | Buy |
| Ambeed | A528708 | Magnesium hydroxide 99% | 100g | $5 | 2021-12-16 | Buy |
| Ambeed | A528708 | Magnesium hydroxide 99% | 500g | $7 | 2021-12-16 | Buy |
| Ambeed | A528708 | Magnesium hydroxide 99% | 1kg | $9 | 2021-12-16 | Buy |
| Chem-Impex | 36529 | Magnesium hydroxide 95.0-100.5% | 25G | $48 | 2026-05-19 | Buy |
| Chem-Impex | 36529 | Magnesium hydroxide 95.0-100.5% | 500G | $84.4 | 2026-05-19 | Buy |
| Chem-Impex | 36529 | Magnesium hydroxide 95.0-100.5% | 2KG | $261.6 | 2026-05-19 | Buy |
| ChemScene | CS-1101543 | Magnesium hydroxide, 99%(KT) | 250g | $173 | 2026-06-04 | Buy |
| ChemScene | CS-1101543 | Magnesium hydroxide, 99%(KT) | 100g | $87 | 2026-06-04 | Buy |
| ChemScene | CS-1101543 | Magnesium hydroxide, 99%(KT) | 50g | $49 | 2026-06-04 | Buy |
| ChemScene | CS-1101543 | Magnesium hydroxide, 99%(KT) | 25g | $27 | 2026-06-04 | Buy |
| GFS CHEMICALS | 48881 | MAGNESIUMHYDROXIDE,REAG | 500g | $50.31 | 2021-12-16 | Buy |
Properties
Melting point :350 °C (lit.)
Density :2,36 g/cm3
storage temp. :Room Temperature
solubility :5 M HCl: 0.1 M, clear, yellow
form :powder
Specific Gravity :2.36
color :White
Odor :Odorless
PH Range :9.5 - 10.5
PH :10.4(1 mM solution);10.4(10 mM solution);10.4(100 mM solution)
Water Solubility :0.9 mg/100 mL (18 ºC)
Sensitive :Air Sensitive
λmax :λ: 260 nm Amax: 0.030
λ: 280 nm Amax: 0.025 Merck :14,5670
Solubility Product Constant (Ksp) :pKsp: 11.25
Stability :Stable.
Cosmetics Ingredients Functions :ABSORBENT
BUFFERING Cosmetic Ingredient Review (CIR) :Magnesium hydroxide (1309-42-8)
InChI :1S/Mg.2H2O/h;2*1H2/q+2;;/p-2
InChIKey :VTHJTEIRLNZDEV-UHFFFAOYSA-L
SMILES :O[Mg]O
LogP :-1.380 (est)
CAS DataBase Reference :1309-42-8(CAS DataBase Reference)
NIST Chemistry Reference :Magnesium hydroxide(1309-42-8)
EPA Substance Registry System :Magnesium hydroxide (Mg(OH)2) (1309-42-8)
Density :2,36 g/cm3
storage temp. :Room Temperature
solubility :5 M HCl: 0.1 M, clear, yellow
form :powder
Specific Gravity :2.36
color :White
Odor :Odorless
PH Range :9.5 - 10.5
PH :10.4(1 mM solution);10.4(10 mM solution);10.4(100 mM solution)
Water Solubility :0.9 mg/100 mL (18 ºC)
Sensitive :Air Sensitive
λmax :λ: 260 nm Amax: 0.030
λ: 280 nm Amax: 0.025 Merck :14,5670
Solubility Product Constant (Ksp) :pKsp: 11.25
Stability :Stable.
Cosmetics Ingredients Functions :ABSORBENT
BUFFERING Cosmetic Ingredient Review (CIR) :Magnesium hydroxide (1309-42-8)
InChI :1S/Mg.2H2O/h;2*1H2/q+2;;/p-2
InChIKey :VTHJTEIRLNZDEV-UHFFFAOYSA-L
SMILES :O[Mg]O
LogP :-1.380 (est)
CAS DataBase Reference :1309-42-8(CAS DataBase Reference)
NIST Chemistry Reference :Magnesium hydroxide(1309-42-8)
EPA Substance Registry System :Magnesium hydroxide (Mg(OH)2) (1309-42-8)
Safety Information
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Description
Magnesium hydroxide is an excellent flame retardant for plastics and rubber products. In environmental protection, it is taken as flue gas desulfurization agent and can replace the caustic soda and lime as the neutralizer of acid-containing waste water and the absorbent of the heavy metal. In addition, it can also be used for the electronics industry, medicine, sugar refining, as insulation materials and for the manufacturing of other magnesium salt products.More related product prices
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Magnesium sulfate
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$14-17490
Suppliers and manufacturers
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