CAS 1305-62-0 Calcium Hydroxide - Materials / Alfa Chemistry

NAVIGATION

Calcium Hydroxide

PRICE INQUIRY

Catalog Number

ACM1305620

CAS Number

1305-62-0

Product Name

Calcium Hydroxide

Structure

Category

Electrolytes; Ceramic Materials

Synonyms

Calcium dihydoxide

Description

Calcium hydroxide is an odorless white granules. Sinks in water. (USCG, 1999);White powder;COLOURLESS CRYSTALS OR WHITE POWDER.;White, odorless powder.;White, odorless powder. [Note: Readily absorbs CO2 from the air to form calcium carbonate.]

IUPAC Name

calcium dihydroxide

Molecular Weight

74.09

Molecular Formula

H2CaO2

Canonical SMILES

[OH-].[OH-].[Ca+2]

InChI

InChI=1S/Ca.2H₂O/h;2*1H2/q+2;;/p-2

InChI Key

AXCZMVOFGPJBDE-UHFFFAOYSA-L

Boiling Point

2850 °C

Melting Point

580 °C

Flash Point

/Calcium Hydroxide is/ non flammable

Purity

99%+

Density

2.24 g/mL at 25 °C (lit.)

Solubility

0.2 % at 32° F (NIOSH, 2016);Slightly soluble in water. Insoluble in ethanol. Soluble in glycerol;In water, 1730 mg/L at 20 °C;In water, 0.160 g/100 g water at 20 °C;Very slightly soluble in boiling water. Insoluble in alcohol.;Soluble in acid;Soluble in glycerol, sugar or ammonium chloride solution; soluble in acids with evolution of much heat;Solubility in water: none;(32°F): 0.2%

Appearance

White solid

Storage

Store at +5 °C to +30 °C

Color/Form

Crystals or soft granules or powder;Soft, hexagonal crystals;Rhombic, trigonal, colorless crystals;Soft, white crystalline powder;White powder [Note: Readily absorbs CO2 from the air to form calcium carbonate]

Complexity

Covalently-Bonded Unit Count

EC Number

215-137-3

Exact Mass

73.968

Formal Charge

Hazard Statements

Xi:Irritant

Heavy Atom Count

ICSC Number

0408

MDL Number

MFCD00010901

MeSH Entry Terms

Calcium Hydroxide;Hydroxide, Calcium

Monoisotopic Mass

73.968

Odor

Odorless

Other Experimental

Loses water when ignited to form calcium oxide; forms CaO;Loses water at 580 °C;Solubility in water is decreased by the presence of fixed alkali hydroxides.;Bulk density: 450 to 640 kg/cu m. In the as-poured state, it can be as low as 350 kg/cu m, owing to air entrapment;Lime salts, ... are various calcium containing compounds having the property of being corrosive to ... metals. /Lime salts, ... (corrosive solid, nos)/;Readily absorbs carbon dioxide from the air, forming CaCO3;Heat of formation = -6.1078X10+08 J/kmol

Refractive Index

Index of refraction: 1.574 (alpha), 1.545 (beta)

Rotatable Bond Count

RTECS Number

EW2800000

Safety Description

S26-S39

Stability

Readily absorbs carbon dioxide from air forming calcium carbonate.

UNII

PF5DZW74VN

Vapor Pressure