Product Name: Tetramethylammonium hydroxide/TMAH Pentahydrate
CAS:10424-65-4
MF: C4H23NO6
MW: 181.23
Appearance: White crystalline powder
Assay: 99%min
Package: 250g/bottle,12kg/carton
[Typical Properties]
Colorless crystals (often containing third or fifth grade crystalline water) are highly hygroscopic and can quickly absorb carbon dioxide in the air.They decompose into methanol and trimethylamine at 130 ° C. Typically, solutions containing 10% or 25% water (or alcohol) and crystalline water compounds
are used.
[Specification]
Item | Standard |
Purity[(CH3)4NOH.5H2O] | ≥99.00% |
Melting Point | 67-70℃ |
Cl | <0.1×10-3 |
Carbonate | ≤1% |
Alkali | ≥46.5% |
[Usage]
*Phase transfer catalysts in organic synthesis chemistry;
*Anisotropic corrosion liquids for the electronic industry, catalysts for polymerization of silicone rubber and other silicone products;
*Molecular sieve template agents, catalysts for polymerization of organic silicon products, cleaning agents for the electronic industry, adjusters in surfactant products, polarographic reagents and pH regulators in the field of analytical chemistry.
[Storage]
Keep tightly closed.Store in dry and ventilated place.Keep away from fire,heat sources and oxidants.
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