亞硝酸鋰
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亞硝酸鋰 | |
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[[File: ![]() | |
識別 | |
CAS號 | 13568-33-7 ![]() |
PubChem | 166849 |
ChemSpider | 145980 |
SMILES |
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InChI |
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InChIKey | IDNHOWMYUQKKTI-REWHXWOFAV |
EINECS | 23-976-1 |
性質 | |
化學式 | LiNO2 |
摩爾質量 | 52.9465 g/mol g·mol⁻¹ |
外觀 | 無色潮解性晶體 |
熔點 | 222 °C(495 K) |
熱力學 | |
ΔfHm |
−372.4 kJ/mol |
S |
96 J/mol K |
相關物質 | |
其他陰離子 | 亞砷酸鋰 |
其他陽離子 | 亞硝酸鈉 |
相關化學品 | 硝酸鋰 |
若非註明,所有數據均出自一般條件(25 ℃,100 kPa)下。 |
亞硝酸鋰是鋰的亞硝酸鹽,化學式為LiNO2。該化合物具有潮解性,易溶於水,可用於砂漿的阻腐劑[1],也能夠用於炸藥的製造,這是源於它對酮的亞硝化的能力。[2]
性質
CAS # | MW (g/mol) | 外觀 | MP (°C) | ΔfH° (kJ/mol) | ΔfG° (kJ/mol) | S° (J/deg*mol) |
---|---|---|---|---|---|---|
13568-33-7 | 52.947 | 無色潮解性晶體 | 222 | −372.4 | −302.0 | 96.0 |
製備
亞硝酸鋰可由硝酸鋰在500℃時的熱分解製備,反應放出氧氣:[5]
- 2LiNO3 → 2LiNO2 + O2 (~500 °C)
- 4NO + 2LiOH → 2LiNO2 + N2O + H2O
- 6NO + 4LiOH → 4LiNO2 + N2 + 2H2O
參考文獻
- ^ "Evaluation on the effect of lithium nitrite corrosion inhibitor by the corrosion sensors embedded in mortar". [2017-06-17]. (原始內容存檔於2008-10-09).
- ^ Nitrosation with Lithium Nitrite. [2017-06-17]. (原始內容存檔於2012-07-07).
- ^ 6.) CRC handbook of chemistry and physics, 58th ed.; CRC press: Cleveland, 1978; Vol. 26.
- ^ 7.) Lange's handbook of chemistry, 16th ed.; McGraw-Hill: New York, 2005.
- ^ 5.0 5.1 Greenwood, N. N. and Earnshaw, A. Chemistry of the Elements, 2nd ed.; Reed Educational and Professional Publishing Ltd: Oxford, 1997.
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