Calcium Carbonate

Name: Calcium Carbonate

Grade: Laboratory

Application: Synthesis, Pharma

Synonyms: Calcite, Limestone, chalk, Lime

CAS Number: 471-34-1 EC Number: 207-439-9 Molar Mass: 100.09 g/mol Chemical Formula: CaCO3

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داروسازی – سنتز و واکنشهای شیمیایی – نمک ها

General information

Chemical formula: CaCO₃	Molar Mass: 100.09 g/mol
Appearance: White powder	Density: 2.93 g/cm³ (20 °C)
Solub. in water: 0.014 g/l (20 °C)	Melting point: 825°C (decomposition)
Boiling point: Decomposes	Flash point: N/A
Storage temp.: Below +30 °C	Cautions: Irritant
R: N/A	S: 26-3
HS-No.: 2836 50 00	EC-Index-No.: 207-439-9

Specification

Assay		98.0 – 100.5	%
Solubility		Conforms
Identification (Calcium)		Conforms
Identification (Carbonate)		Conforms
Acid – insoluble substances	≤	0.2	%
Iron	≤	0.1	%
Limit of magnesium & alkali salts	≤	1	%
Loss on drying	≤	2	%
Lead	≤	3	ppm
Limit of fluoride	≤	50	ppm
Mercury	≤	0.5	ppm
Arsenic	≤	3	ppm

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