Merck 107536 0250 Quartz Fine Granular 250 GR.

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Description
Catalogue Number	107536
Description	QUARTZ FINE GRANULAR,

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Product Information
CAS number	14808-60-7
EC number	238-878-4
Hill Formula	O₂Si
Chemical formula	SiO₂
Molar Mass	60.09 g/mol
HS Code	2506 10 00
Quality Level	MQ200

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Physicochemical Information
Boiling point	>2200 °C (1013 hPa)
Density	2.65 g/cm3 (20 °C)
Melting Point	1713 °C
pH value	5 - 8 (400 g/l, H₂O, 20 °C)
Bulk density	1400 kg/m3

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Safety Information according to GHS
RTECS	VV7330000
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	NoTempLimit

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Specifications
Substances soluble in hydrochloric acid	≤ 0.05 %
Chloride (Cl)	≤ 0.01 %
Loss on ignition (900 °C)	≤ 0.05 %
Particle size (0.2 - 0.8 mm)	≥ 40 %
The product may contain dark colored silicate grains of natural origin.