产品名称

碳酸钙

CAS NO

471-34-1

中文别名

沉淀碳酸钙;沉降碳酸钙;轻钙;轻质活性碳酸钙;轻质碳酸钙;碳酸钙(1:1);碳酸钙;方解石

英文名称

calcium carbonate

英文别名

471-34-1

分子式

CCaO3

分子量

100.08700

EINECS

207-439-9

熔点

825 °C

沸点

333.6oC at 760mmHg

毒性

Calcium carbonate Identification: Chemical Name: Calcium carbonate Synonyms: Calcium Carbonate Light; Calcium Carbonate Heavy; CAS NO.: 471-34-1 Molecular formula:CaCO3 Specifications: Item s Index Specific gravity, g/ cm3 2.7 min Purity as CaCO3 (%) 90.0min Insoluble in HCl,% 10.0 min Soluble in water, % 0.10min Fineness, 76μm,% 3.0 max Application: Widely used in the oil industry in drilling fluids as a formation bridging and filter cake sealing agent and may also be used as a weighting material to increase the density of drilling fluids to control downhole pressures. Packing: 25kg,50kg/bag