| 融点 |
851 °C (1,564 °F; 1,124 K) (Anhydrous); 100 °C (212 °F; 373 K); decomposes (monohydrate); 33.5 °C (92.3 °F; 306.6 K); decomposes (heptahydrate); 34 °C (93 °F; 307 K); (decahydrate) |
| 沸点 |
1600°C |
| かさ密度 |
1100kg/m3 |
| 比重(密度) |
2.54 g/cm3 (25 °C, anhydrous)1.92 g/cm3 (856 °C)2.25 g/cm3 (monohydrate)1.51 g/cm3 (heptahydrate)1.46 g/cm3 (decahydrate) |
| 屈折率 |
1.485 (anhydrous); 1.420 (monohydrate); 1.405 (decahydrate) |
| 貯蔵温度 |
15-25°C |
| 溶解性 |
H2O: 1 M at 20 °C, clear, colorless |
| 外見 |
solid |
| 色 |
White |
| 比重 |
2.532 |
| Flame Color |
Yellow |
| 酸解離定数(Pka) |
(1) 6.37, (2) 10.25 (carbonic (at 25℃) |
| PH |
10.52(1 mM solution);10.97(10 mM solution);11.26(100 mM solution); |
| 臭い (Odor) |
at 100.00%. odorless |
| 水溶解度 |
22 g/100 mL (20 ºC) |
| 比熱容量 |
Cp(crystal): 1.06 J/(g·K), at 25℃ |
| Sensitive |
Hygroscopic |
| 極大吸収波長 (λmax) |
λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01 |
| Merck |
14,8596 |
| BRN |
4154566 |
| Dielectric constant |
5.3(Ambient) |
| 暴露限界値 |
PC-TWA: 3 mg/m3; PC-STEL: 6 mg/m3 |
| 安定性： |
Stable. Incompatible with powdered alkaline earth metals, aluminium, organic nitro compounds, fluorine, alkali metals, nonmetallic oxides, concentrated sulfuric acid, oxides of phosphorus. |
| 化粧品成分の機能 |
BUFFERING
BULKING |
| InChI |
1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 |
| InChIKey |
CDBYLPFSWZWCQE-UHFFFAOYSA-L |
| SMILES |
O=C(O[Na])O[Na] |
| CAS データベース |
497-19-8(CAS DataBase Reference) |
| NISTの化学物質情報 |
Sodium carbonate(497-19-8) |
| EPAの化学物質情報 |
Sodium carbonate (497-19-8) |
