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Merck

451711

Sigma-Aldrich

氧化钙

anhydrous, powder, ≥99.99% trace metals basis

别名:

生石灰, 石灰

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5 G
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5 G
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About This Item

线性分子式:
CaO
CAS号:
分子量:
56.08
EC 号:
MDL编号:
UNSPSC代码:
12352303
PubChem化学物质编号:
NACRES:
NA.23

$701.00


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等级

anhydrous

质量水平

方案

≥99.99% trace metals basis

表单

powder

反应适用性

reagent type: catalyst
core: calcium

沸点

2850 °C (lit.)

密度

3.3 g/mL at 25 °C (lit.)

应用

battery manufacturing

SMILES字符串

O=[Ca]

InChI

1S/Ca.O

InChI key

ODINCKMPIJJUCX-UHFFFAOYSA-N

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象形图

CorrosionExclamation mark

警示用语:

Danger

危险声明

危险分类

Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Questions

  1. In #451711, 1) Anhydrous CaO means there's "Zero moisture" Calcium Oxides ? 2) the purity 99.99% means there's 0.01% impurities ?

    1 answer
    1. Product 451711 does not have a specification for water content. This is likely because calcium oxide reacts with water to form calcium hydroxide, so water would not be detected. The term "anhydrous" is used more to distinguish this Calcium oxide product (typically approximately 71 percent Calcium by weight) from Calcium hydroxide (typically approximately 54 percent Calcium by weight).
      The purity value of 99.99 percent is on a trace metals basis. That is, Product 451711 contains AT MOST 0.01 percent or 100 ppm of metals other than Calcium.

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