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Calcium Oxide CAS#1305-78-8

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  • Calcium Oxide CAS#1305-78-8
  • Calcium Oxide CAS#1305-78-8
  • Calcium Oxide CAS#1305-78-8

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Calcium Oxide CAS#1305-78-8
Calcium Oxide CAS#1305-78-8
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Chemical Name：Calcium Oxide
CAS No.:1305-78-8
Molecular Formula：CaO
Sample: Available
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PRODUCT DESCRIPTION

Calcium Oxide CAS#1305-78-8

Calcium oxide (CaO, CAS Reg. No. 1305-78-8) is also known as lime, quick lime, burnt lime, or calx. Lime does not occur naturally since it reacts so readily with water (to form hydrated lime) and carbon dioxide (to form limestone). It is produced from calcium carbonate, limestone, or oyster shells by calcination at temperatures of 1,700-2,450℃.

Calcium oxide Chemical Properties


Melting point

2570 °C

Boiling point

2850 °C (lit.)

density

3.3 g/mL at 25 °C (lit.)

bulk density

800-1200kg/m3

refractive index

1.83

Fp

2850°C

storage temp.

no restrictions.

solubility

1.65g/l Risk of violent reaction.

form

powder

color

White to yellow-very slightly beige

Specific Gravity

3.3

PH

12.6 (H2O, 20℃)(saturated solution)

Odor

wh. or gray cryst. or powd., odorless

Water Solubility

REACTS

Sensitive

Air & Moisture Sensitive

Crystal Structure

Cubic

crystal system

Cube

Merck

14,1686

Space group

Fm3m

Lattice constant

a/nmb/nmc/nmα/oβ/oγ/oV/nm30.47760.47760.47769090900.1089

Dielectric constant

2.2（Ambient）

Exposure limits

ACGIH: TWA 2 mg/m3OSHA: TWA 5 mg/m3NIOSH: IDLH 25 mg/m3; TWA 2 mg/m3

Stability:

Stability Stable, but absorbs carbon dioxide from the air. Incompatible with water, moisture, fluorine, strong acids.

InChIKey

ODINCKMPIJJUCX-UHFFFAOYSA-N

CAS DataBase Reference

1305-78-8(CAS DataBase Reference)

NIST Chemistry Reference

Calcium monoxide(1305-78-8)

EPA Substance Registry System

Calcium oxide (1305-78-8

Product Usage

The major uses of lime are metallurgy, flue gas desulfurization, construction, mining, papermaking, and water treatment. Calcium oxide is used to remove impurities during the refining of iron ore. Calcium oxide combines with compounds such as silicates, phosphates, and sulfates contained in iron ores to form slag.

Factory and Equipment Show

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Fast transport time

Inventory 2-3 working days New manufacturing 7-10 working days

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A:Of course, we welcome customers from all over the world to visit our factory.

Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase. 

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A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we
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A:Yes,we could offer the sample for you to test but please pay freight fee.

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