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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