471-34-1 HOT SALE GOOD QUALITY
英文名称:
Calcium carbonate
CAS号:
471-34-1
分子式:
CCaO3
分子量:
100.0869
熔点
825 °C
沸点
800 °C
密度
2.93 g/mL at 25 °C (lit.)
折射率
1.6583
储存条件
Store at +5°C to +30°C.
溶解度
5 M HCl: 0.1 M at 20 °C, clear, colorless
形态
random crystals
颜色
White-beige to slightly beige-gray
比重
2.93
PH值
9.91(1 mM solution);9.91(10 mM solution);9.91(100 mM solution);
气味 (Odor)
Odorless
酸碱指示剂变色ph值范围
8
水溶解性
Insoluble
最大波长(λmax)
λ: 260 nm Amax: ≤0.09
λ: 280 nm Amax: ≤0.06
Merck
14,1657
BRN
8008338
Ksp沉淀平衡常数
pKsp: 8.54
暴露限值
NIOSH: TWA 10 mg/m3; TWA 5 mg/m3
Dielectric constant
6.1(Ambient)
稳定性
Stable. Incompatible with acids, fluorine, ammonium salts, alum.
InChIKey
VTYYLEPIZMXCLO-UHFFFAOYSA-L
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