Calciumoxide CAS 1305-78-8

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Calcium oxide Basic information

Chemical properties Uses Content analysis Identification test Toxicity Production method Usage limitation Hazards & Safety Information

Product Name:

Calcium oxide

CAS:

1305-78-8

MF:

CaO

MW:

56.08

EINECS:

215-138-9

Mol File:

1305-78-8.mol

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

Thermal Conductivity

0.318 W/(m·K)

Crystal Structure

Cubic

Sensitive

Air & Moisture Sensitive

Merck

141,686

crystal system

Cube

Space group

Fm3m

Exposure limits

ACGIH: TWA 2 mg/m3

OSHA: TWA 5 mg/m3

NIOSH: IDLH 25 mg/m3; TWA 2 mg/m3

Dielectric constant

2.2（Ambient）

Stability:

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

Cosmetics Ingredients Functions

BUFFERING

InChI

1S/Ca.O

InChIKey

ODINCKMPIJJUCX-UHFFFAOYSA-N

SMILES

O=[Ca]

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)