< >

Aluminum hydroxideCAS#21645-51-2

Chemical Name：Aluminum hydroxide

CAS No.:21645-51-2

Appearance: White colloidal suspension

Molecular Formula：AlH3O3

Molecular weight:78

Sample: Available

Contact Now E-Mail Telephone WhatsApp

Product Details

Products Description of Aluminum hydroxideCAS#21645-51-2

Aluminum hydroxide industrial product purity ≥ 99%, white amorphous powder with no odor or taste. Melting point is not definite, decomposes slowly above 200℃. Vapor pressure is negligible (25℃), relative density 2.42 (20℃). Solubility in water: insoluble, insoluble in ethanol and ether, easily soluble in strong acids, miscible with most organic solvents in powder form. Stable at room temperature, incompatible with strong oxidants and mineral acids.

Parameters

Melting point	300℃
Boiling point	2980℃[at 101 325 Pa]
bulk density	~90g/100 mL
density	2.42 g/cm3 at 20 °C
vapor pressure	<0.1 hPa (20 °C)
refractive index	Average refractive index: 1.57-1.59
storage temp.	Store at +5°C to +30°C.
solubility	0.0015g/l
form	colloidal suspension
color	White
Specific Gravity	2.42
Odor	Odorless
PH	8-9 (100g/l, H2O, 20℃)(slurry)
PH Range	>7
Water Solubility	insoluble
Crystal Structure	Monoclinic
Merck	14,342
Solubility Product Constant (Ksp)	pKsp: 32.89
Dielectric constant	2.2（Ambient）
Exposure limits	ACGIH: TWA 1 mg/m3
Stability:	Stable. Incompatible with strong bases.
LogP	-1.380 (est)
CAS DataBase Reference	21645-51-2(CAS DataBase Reference)
EPA Substance Registry System	Aluminum hydroxide (21645-51-2)

Safety Information

Hazard Codes	Xi
Risk Statements	36
Safety Statements	26-36
WGK Germany	-
RTECS	BD0940000
TSCA	Yes
HS Code	28183000
Hazardous Substances Data	21645-51-2(Hazardous Substances Data)
Toxicity	TDLo oral in child: 79gm/kg/2Y-I

Product Application of Aluminum hydroxideCAS#21645-51-2

Aluminum hydroxide has many advantages including large-scale production, adequate raw materials, high product purity and good solubility in acid. Therefore, aluminum hydroxide can be used as an important raw material for the preparation of aluminum salts, such as barium aluminate, aluminum sulfate and so on.

Factory and Equipment Show

HydroquinoneCAS#123-31-9.jpg