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四甲基氢氧化铵
Tetramethylammonium hydroxide
|
Tetramethylammonium hydroxide（25%） |
Tetramethylammonium hydroxide pentahydrate（98%） |
|
Molecular formula:：C4H13NO |
Molecular formula:：(CH3)4NOH·5H2O |
|
Molecular weight:：91.1528 |
Molecular weight:：181.2288 |
|
CAS number：75-59-2 |
CASnumber：10424-65-4 |
|
Tetramethylammonium hydroxide（25%） |
Tetramethylammonium hydroxide pentahydrate（98%） |
|
Boiling point：100.0℃ |
Appearance：White crystal |
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Freezing point：<-25.0℃ |
Melting point：67-70℃ |
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viscosity 25 ℃, cst ：2.8 |
pH ：12.9 (1% water solution) |
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specific gravity@ 60 ℉ ：1.022 |
|
|
Flansh point：>200℉ |
|
|
pH ：>13 |
|
|
Tetramethylammonium hydroxide（25%） |
result |
Tetramethylammonium hydroxide pentahydrate（98%） |
result |
|
alkali content（％）≥ |
25 |
Effective content（％）≥ |
98% |
|
Fe（%）≤ |
0.001 |
alkali content（％）≥ |
46.5 |
|
Pb（%）≤ |
0.002 |
carbonate（%）≤ |
1.5 |
|
K（%）≤ |
0.001 |
Cl（%）≤ |
0.01 |
|
Na（%）≤ |
0.0021 |
|
|
|
Cl（%）≤ |
0.04 |
|
|
|
nonvolatile matter |
0.03 |
|
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