Merck 101091 1000 Aluminium Hydroxide Powder Pure 1 KG.

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Description
Catalogue Number	101091
Synonyms	Hydrargillite

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Product Information
CAS number	21645-51-2
EC number	244-492-7
Hill Formula	AlH₃O₃
Chemical formula	Al(OH)₃ * x H₂O
Molar Mass	78 g/mol
HS Code	2818 30 00
Quality Level	MQ200

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Physicochemical Information
Density	2.42 g/cm3 (20 °C)
Melting Point	300 °C Elimination of water of crystallisation
pH value	8 - 9 (100 g/l, H₂O, 20 °C) (slurry)
Vapor pressure	<0.1 hPa (20 °C)

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Safety Information according to GHS
RTECS	BD0940000
Storage class	10 - 13 Other liquids and solids
WGK	NWG not water endangering
Disposal	14\nInorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

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Storage and Shipping Information
Storage	Store at +2°C to +30°C.

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Specifications
Identity	conforms
Chloride (Cl)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.05 %
Fe (Iron)	≤ 0.01 %
Na (Sodium)	≤ 0.3 %
Loss on ignition (700 °C)	30.0 - 35.0 %
Bulk density	about 90
Particle size (< 150 µm)	about 90

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