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Molecule
Calcium Hydroxide
CAS: 1305-62-0 · H2CaO2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 1305-62-0
- Molecular Formula
- H2CaO2
- Molecular Mass
- 74.09 g/mol
Identifiers
CAS Registry Number
1305-62-0
SMILES
[Ca+2].[OH-].[OH-]
InChI Key
AXCZMVOFGPJBDE-UHFFFAOYSA-L
InChI
InChI=1S/Ca.2H2O/h;2*1H2/q+2;;/p-2
Names and Synonyms
- Calcium Hydroxide Common Name
- Calcium hydroxide (Ca(OH)2) Synonym
- Calcium hydroxide Synonym
- Lime water Synonym
- Hydrated lime Synonym
- Milk of lime Synonym
- Calcium dihydroxide Synonym
- Carboxide Synonym
- Kalkhydrate Synonym
- Biocalc Synonym
- Slaked lime Synonym
- Limbux Synonym
- Calvit Synonym
- Lime milk Synonym
- Hydralime Synonym
- Caldic 1000 Synonym
- NICC 3000 Synonym
- Lime hydrate Synonym
- Rhenofit CF Synonym
- SA 074 Synonym
- Yukijirushisakanyo Synonym
- Calbit Synonym
- Kentoku K 100 Synonym
- Super Microstar Synonym
- A-Rock Synonym
- Calbreed Synonym
- CH 2N Synonym
- TP 2B Synonym
- CLS-B Synonym
- Karutekku LT Synonym
- LoFloSorb Synonym
- Cal-Z Synonym
- Precal 54 Synonym
- Microstar T Synonym
- TempCanal Synonym
- Calcicure Synonym
- Caldic 2000 Synonym
- Ecolomaster Synonym
- Superia Synonym
- Yukijirushi Shosekkai Synonym
- Soprocal Synonym
- Rhein CF 1 Synonym
- BTTE Synonym
- Calen Synonym
- Vitacal H Synonym
- High Purity Calcium Hydroxide CH Synonym
- Nekablanc 0 Synonym
- HA 20 Synonym
- HA 20 (hydroxide) Synonym
- Kalic Synonym
- SA 149 Synonym
- Nekapur 2 Synonym
- Ultradent-UltraCal XS Synonym
- JIS-R 9001 Synonym
- HP-XL Synonym
- Omix C Synonym
- Calcium Hydroxide Plus Points Synonym
- Tamakalk-Spongiacal Synonym
- NICC 5000 Synonym
- Lime Type S Synonym
- Lime S Synonym
- Sorbacal SP Synonym
- Sorbacal SPS Synonym
- CL 90S Synonym
- Tama Ace S Synonym
- CF 2000 Synonym
- Fluorox E Synonym
- Okhotsk Calcium F 2000 Synonym
- Okhotsk Calcium F 015 Synonym
- Okhotsk Calcium OH-I Synonym
- Okhotsk Calcium OH Synonym
- Scallow S Synonym
- Rutaro Synonym
- Edelhydrate CL 90S Synonym
- JYH-S 01 Synonym
- 350M Synonym
- SL 90T Synonym
- Innovox OH Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 74.09 g/mol | CAS Common Chemistry |
| 74.092 g/mol | RDKit | |
| 78.124 g/mol | chempirical lib | |
| Density | 2.24 g/cm³ | CAS Common Chemistry |
| 2.24 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Calcium_hydroxide | CAS Common Chemistry |
| Canonical SMILES | O[Ca]O | CAS Common Chemistry |
| InChI | InChI=1S/Ca.2H2O/h;2*1H2/q+2;;/p-2 | CAS Common Chemistry |
| InChI Key | InChIKey=AXCZMVOFGPJBDE-UHFFFAOYSA-L | CAS Common Chemistry |
| Melting Point | 580 °C (decomp) | CAS Common Chemistry |
| Name | Calcium hydroxide | CAS Common Chemistry |
| Heavy Atom Count | 3 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 60.0 Ų | RDKit |
| LogP | -0.7343999999999999 | RDKit |
| -0.7344 | RDKit | |
| Molar Refractivity | 9.6256 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 73.968070284 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
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60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 74.09 g/mol; density = 2.240 g/mL. Edit any field — others recompute live.
