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CAS號(hào):584-08-7
英文名稱:Potassium carbonate
英文同義詞:K2CO3;K-Gran;POTASH;PEARL ASH;Pearl dust;Sal absinthii;Kaliumcarbonat;SALT OF TARTAR;Montreal potash;alt of wormwood
中文名稱:碳酸鉀
中文同義詞:草堿;桐堿;珠灰;鉀堿;碳酸鉀;珍珠灰;食用枧水;粗碳酸鉀;試劑碳酸鉀;重質(zhì)碳酸鉀
分子式:K2CO3
分子量:138.21
熔點(diǎn):891 °C (lit.)
沸點(diǎn):decomposes [STR93]
密度:2.43 g/mL at 25 °C
儲(chǔ)存條件:Store at +5°C to +30°C.
溶解度:H2O: 1 M at 20 °C, clear, colorless
形態(tài):powder
顏色:Yellow
比重:2.29
PH值:11.5-12.5 (50g/l, H2O, 20℃)
水溶解性:1120 g/L (20 ºC)
最大波長(zhǎng)(λmax):λ: 260 nm Amax: 0.03λ: 280 nm Amax: 0.02
敏感性:Hygroscopic
Merck:14,7619
BRN:4267587
穩(wěn)定性:Stable. Incompatible with moisture, acids, magnesium bromine trifluoride and magnesium bromine trichloride.
CAS 數(shù)據(jù)庫(kù):584-08-7(CAS DataBase Reference)
NIST化學(xué)物質(zhì)信息:Dipotassium carbonate(584-08-7)
EPA化學(xué)物質(zhì)信息:Potassium carbonate (584-08-7)