Magnesium chloride hexahydrate 7791-18-6
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Magnesium chloride hexahydrate 7791-18-6

Hexahydrate magnesium chloride, also known as hydromagnesite, is a colorless monoclinic crystal at room temperature. It readily absorbs moisture, with a density of 1.56 g/cm³. Its melting point is 712°C. When heated in air, it decomposes, releasing HCl gas at approximately 118°C and transforming into chlorine compounds. At high temperatures, it decomposes into MgO and HCl.
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  • 7791-18-6

  • Boss Chemical

  • 7791-18-6

Magnesium chloride hexahydrate Basic information
Product Name: Magnesium chloride hexahydrate
CAS: 7791-18-6
MF: Cl2H12MgO6
MW: 203.3
EINECS: 616-575-1
Mol File: 7791-18-6.mol
Magnesium chloride hexahydrate Chemical Properties
Melting point 117 °C
density 1.569
storage temp. 2-8°C
solubility H2O: 1 M at 20 °C, clear, colorless
form Solid
color White to slightly gray
Specific Gravity 1.569
Odor Odorless
PH Range 7
PH 4.5-7.0 (50g/l, H2O, 20℃)
Water Solubility 2350 g/L (20 ºC)
Sensitive Hygroscopic
λmax λ: 260 nm Amax: 0.030
λ: 280 nm Amax: 0.025
Merck 145,662
Stability: Stable. Incompatible with strong oxidizing agents. Protect from moisture.
Cosmetics Ingredients Functions FLAVOURING
VISCOSITY CONTROLLING
InChIKey DHRRIBDTHFBPNG-UHFFFAOYSA-L
LogP -1.380 (est)
CAS DataBase Reference 7791-18-6(CAS DataBase Reference)
EPA Substance Registry System Magnesium chloride, hexahydrate (7791-18-6)

Product: Magnesium Chloride Hexahydrate 46% flakes

Batch No.

MCF2507-03

Packing: 25kg PP bags without pallets.

Production Date

July 2025

Qty: 48 MT

Expiry Date

July 2027

Test Parameters

Specification

Test Result

Appearance

White flakes

Pass

Assay as MgCl2

46% min.

46.5%

Alkali Chloride (as NaCl )

1.2% max.

0.8%

Sulphate

0.9% max.

0.3%

Ca

0.5% max.

0.2%

Water Insoluble

0.2% max.

0.05%

通用固体

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