1.01091

Aluminium hydroxide

powder, hydrargillite EMPLURA^®

• Synonym(s): Aluminium hydroxide, Hydrargillite
• Linear Formula: Al(OH)₃ · x H₂O
• CAS Number: 21645-51-2
• Molecular Weight: 78.00
• MDL number: MFCD00003420
• UNSPSC Code: 12352305
• EC Index Number: 244-492-7
• NACRES: NA.21

Properties

• vapor pressure: <0.1 hPa ( 20 °C)
• Quality Level: 200
• product line: EMPLURA^®
• form: powder
• loss: 30.0-35.0% loss on ignition, 700°C
• pH: 8-9 (20 °C, 100 g/L in H₂O, slurry)
• mp: 300 °C (Elimination of water of crystallisation)
• solubility: water: insoluble at 20 °C
• density: 2.42 g/cm³ at 20 °C
• bulk density: ~90 g/100 mL
• anion traces: chloride (Cl^-): ≤0.01%; sulfate (SO₄^2-): ≤0.05%
• cation traces: Fe: ≤0.01%; Na: ≤0.3%
• storage temp.: 2-30°C
• InChI: 1S/Al.3H2O/h;3*1H2
• InChI key: MXRIRQGCELJRSN-UHFFFAOYSA-N

Description

Application

• Investigation into the Influence of the Process Parameters on the Stability of a Poly(Vinyl)-Alcohol-Based Coating System.: Discusses the stabilization of polymeric materials using aluminium hydroxide, emphasizing its importance in material science for enhancing the durability and performance of coatings (Canale et al., 2024).

Analysis Note

Identity: conforms
Chloride (Cl): ≤ 0.01 %
Sulfate (SO): ≤ 0.05 %
Fe (Iron): ≤ 0.01 %
Na (Sodium): ≤ 0.3 %
Loss on ignition (700°C): 30.0 - 35.0 %
Bulk density: about 90 g/100ml
Particle size (<&#8199;150&#8199;&#181;m): about 90

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: nwg
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable