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Merck
CN
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文件

安全信息

1.01093

Sigma-Aldrich

氢氧化铝

(fine powder pure, hydrargillite), Technipur®

别名:

Aluminic acid, Aluminium trihydroxide, Aluminium(III) hydroxide, Hydrargillite, Hydrated alumina, Orthoaluminic acid

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About This Item

线性分子式:
Al(OH)3
CAS号:
分子量:
78.00
MDL编号:
UNSPSC代码:
12352305
NACRES:
NA.21

蒸汽压

<0.1 hPa ( 20 °C)

质量水平

pH值(酸碱度)

8-9 (20 °C, 100 g/L in H2O, slurry)

bp

>2900 °C/1013 hPa

mp

300 °C (Elimination of water of crystallisation)

密度

2.42 g/cm3 at 20 °C

SMILES字符串

O[Al](O)O

InChI

1S/Al.3H2O/h;3*1H2/q+3;;;/p-3

InChI key

WNROFYMDJYEPJX-UHFFFAOYSA-K

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一般描述

Aluminum hydroxide is an inorganic compound widely used as an additive in electronic and polymeric applications due to its wide availability, corrosion resistance, light weightlessness, high melting point, good fire-retardant properties, and also its ability to release water of hydration at high temperatures (about 220 °C) to resist chemical bond breaking.

应用

Aluminum hydroxide can be used as an inorganic filler in polymeric industries to produce high-voltage outdoor insulation materials (silicone rubber composites) to improve flame retardancy and tracking resistance properties. In the fabrication of glass fiber reinforced polymer (GFRP)- hybrid composites, aluminum hydroxide is used as a modifier to enhance the mechanical and fire-retardant properties of the composites.

Aluminum hydroxide also finds application in ceramic and glass industries to prepare heat resistance materials due to its non-flammability and high melting point characteristics.

法律信息

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

储存分类代码

13 - Non Combustible Solids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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Human health risk assessment for aluminium, aluminium oxide, and aluminium hydroxide
Krewski D, et al.
Journal of Toxicology and Environmental Health. Part B, Critical Reviews, 10(Suppl 1) (2007)
Dielectric spectroscopy of aluminium hydroxide particles filled silicone rubber and dielectric model analysis with modified numerical solutions
Lin Y, et al.
Journal of Physics D: Applied Physics, 53(27) (2020)
Preparation of glasses and ceramics from metal-organic compounds
Yoldas BE
J. Mater. Sci., 12, 1203-1208 (1977)
The Effect of Micro-Eggshells and Aluminium Hydroxide on Tracking Resistance of Silicone Rubber Composite
Khaigunha P, et al.
IOP Conference Series: Materials Science and Engineering, 859 (012009) (2020)
Investigation on Effect of Aluminium Hydroxide on Mechanical and Fire Retardant Properties of GFRP- Hybrid Composites
Hiremath P, et al.
Materials Today: Proceedings, 4(10), 10952-10956 (2017)

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