Description
Catalogue Number	107739
Overview	Standardized sorbents ensure reliable results every time. Our broad spectrum meets all kinds of needs. In TLC, silica gel 60 sorbent is considered the most versatile. Our assortment of silica gel 60 features different grades with particle sizes ranging from 5-40 µm: silica with a gypsum binder, silica with no foreign binder, and silica gel with a fluorescence indicator. We also offer high-quality aluminum oxide, cellulose microcrystalline, and kieselgur (also known as diatomaceous earth).

Description

Catalogue Number

107739

Overview

Standardized sorbents ensure reliable results every time. Our broad spectrum meets all kinds of needs. In TLC, silica gel 60 sorbent is considered the most versatile. Our assortment of silica gel 60 features different grades with particle sizes ranging from 5-40 µm: silica with a gypsum binder, silica with no foreign binder, and silica gel with a fluorescence indicator. We also offer high-quality aluminum oxide, cellulose microcrystalline, and kieselgur (also known as diatomaceous earth).

Product Information
CAS number	7631-86-9
EC number	231-545-4
Hill Formula	O₂Si
Chemical formula	SiO₂
Molar Mass	60.08 g/mol
HS Code	3824 99 96

Applications
Application	Silica gel 60 HF₂₅₄ for thin-layer chromatography. CAS No. 7631-86-9, EC Number 231-545-4.

Physicochemical Information
Boiling point	2230 °C (1013 hPa)
Melting Point	1710 °C
pH value	7 (100 g/l, H₂O, 20 °C) (slurry)
Bulk density	200 - 1430 kg/m3

Safety Information according to GHS
Precautionary Statement(s)	P260: Do not breathe dust.
Storage class	10 - 13 Other liquids and solids
WGK	NWG not water endangering
Disposal	32 Chromatographic residues: Aggressive, explosive (e.g. peroxides) or toxic substances in chromatographic layers or sorbents must be eliminated using suitable methods (washing out, elution) prior to disposal. The solvents used for elution can in many cases be reutilized. Larger quantities of sorbents (e.g. from columns) should be freed from solvents (filtration, drying) and packed into rip-resistant plastic sachets; container I. TLC carrier materials and columns should be disposed of together with the corresponding waste materials (aluminium, glass, plastic); container K.

Safety Information
S Phrase	S 22 Do not breathe dust.

Storage and Shipping Information
Storage	Storage temperature: no restrictions.

Specifications
pH-value (10 % suspension)	6.5 - 7.5
Fe (Iron)	≤ 0.02 %
Particle size	90 % < 55 µm
Application test	conforms
The data to the particle size are related to the pure silica gel before additive addition.

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MERCK 107739 Silica gel 60 HF₂₅₄ for thin-layer chromatography. CAS No. 7631-86-9, EC Number 231-545-4

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