306320
Inhibitor removers
Prepacked column, for removing tert-butylcatechol
Sinónimos:
Corrosion Inhibitor Removers
About This Item
Productos recomendados
vapor pressure
17 mmHg ( 20 °C)
Quality Level
form
powder
InChI
1S/2Al.3O
InChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
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Categorías relacionadas
General description
• Useful in applications which require that the stabilizer or inhibitor (hydroquinone (HQ), hydro-quinone monomethyl ether (MEHQ, 4-methoxyphenol), or 4-tert-butylcatechol (TBC) be removed prior to use.
• Columns may be discarded1 when exhausted or reused by filling column approximately 3/4 full with new packing material. HQ/MEHQ columns refill vol.: ~21g. TBC column refill vol.:~30g.
• Approx. column capacity:
HQ/MEHQ: 3L at 100ppm
TBC: 4L at 15ppm
• TBC columns and packings are not recommended for use with polar solvents, including acrylic acid. Vacuum distillation is suggested for such applications.
Easy-to-use:
1. Prewashing of prepacked glass columns with a small amount of monomer is recommended.
2. Add monomer (or solvent) to an addition funnel which is secured above column.
3. Add monomer dropwise to the column. Monitor rate of addition to prevent overflow of the column. Collect monomer in an appropriate container.
4. For low-melting solid monomers, keep temperature of column above the melting point during use.
Caution: Overheating may cause monomer to polymerize on the column. Viscous or high-melting monomers may be diluted in an appropriate solvent before addition to the column.
1Unused columns can be discarded with other solid chemical waste. After use, the toxicity and hazards of the monomer, from which the inhibitor is being removed, should be considered in deciding how to dispose of the packing material or column.
Application
related product
Storage Class
13 - Non Combustible Solids
wgk_germany
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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