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MERCK

MERCK 109385.2500 Silicagel 60 For Column Chromatography CAS No.7631-86-9 (SD.M.109385.2500)

Marka : MERCK
Fiyat : 10.632,91 ₺  + KDV
KDV Dahil : 12.759,50 ₺

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Key Spec Table

CAS # EC Number Hill Formula Chemical Formula Molar Mass
7631-86-9 231-545-4 O₂Si SiO₂ 60.08 g/mol

Pricing & Availability

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1093851000
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 Plastic bottle 1 kg
 
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1093852500
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1093855000
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1093859025
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Description
Catalogue Number 109385
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 2811 22 30
Quality Level MQ100
Applications
Application Silica gel 60 (0.040-0.063 mm) for column chromatography (230-400 mesh ASTM). CAS No. 7631-86-9, EC Number 231-545-4.
Physicochemical Information
Melting Point 1710 °C
pH value 7 (100 g/l, H₂O, 20 °C) (slurry)
Bulk density 200 - 800 kg/m3
Toxicological Information
LD 50 dermal LD50 Rabbit > 5000 mg/kg
Safety Information according to GHS
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.
Storage and Shipping Information
Storage Store at +2°C to +30°C.
Specifications
pH-value (10 % suspension) 6.5 - 7.5
Fe (Iron) ≤ 0.02 %
Specific surface area (BET) 480 - 540 m²/g
Pore volume (N₂-isotherm) 0.74 - 0.84 ml/g
Loss on drying (150 °C) ≤ 9.0 %
Particle Size (d10) 29 - 39 µm
Particle Size (d50) 53 - 63 µm
Particle Size (d90) 93 - 108 µm
The specific surface area and the pore volume are related to the raw material
Etiketler
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