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Products
Silica, fumed
Product Details
Category
Cosmetic Chemical Abrasives
Molecular Formula
SiO2
Grade
Food grade
CAS Number
112945-52-5
Synonyms
Silica, Silicic anhydride, Silicon dioxide, Silicon dioxide amorphous
Solubility
Practically insoluble in organic solvents, water, and acids, except hydrofluoric acid; soluble in hot solutions of alkali hydroxide. Forms a colloidal dispersion with water. For Aerosil, solubility in water is 150 mg/L at 258℃ (pH 7).
Quality Level
200
Application
Cosmetics, shampoo and hair care products, cream products
Boiling Point
2230ºC
Melting Point
>1600°C
Density
2.3 lb/cu.ft at 25 °C (bulk density)(lit.)
Product Description
Fumed silica may be synthesized by high temperature hydrolysis of SiCl4 in O2(N2)/H2 flame. It is amorphous in nature and possesses very high specific area. The micro droplets of amorphous silica fuse into a branch and form a chain like agglomerate.
Molecular Weight (g/mol)
60.08
Flash Point
N/A
Physical State
Powder
MDL number
MFCD00011232
Refractive Index
n20/D 1.46 (lit.)
InChI Key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
Surface Area
395 m2/g±25 m2/g
SMILES
O=[Si]=O
InChI
1S/O2Si/c1-3-2
Safety Statements
24/25
WGK Germany
2
RTECS
VV7310000
RIDADR
NONH for all modes of transport
Online Inquiry
Please note: Our products and services are not intended to be used directly in diagnostic or therapeutic procedures.
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