CaH2O2
74.09 g/mol
OtherDanger
CALCIUM HYDROXIDE
CAS1305-62-0EC215-137-3
Category
Other
Compound Class
n.a
Primary Use
industrial chemical
Calcium hydroxide, traditionally called slaked lime, is an inorganic compound produced when quicklime (calcium oxide) is mixed with water. It is a white powder or colorless crystal, and approximately 125 million tons are produced annually worldwide.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongForm Family
Magnesium hydroxide
CAS1309-42-8
antacid and laxative
StrongForm Family
Potassium hydroxide
CAS1310-58-3
used in soaps, drain cleaners, electroplating
StrongForm Family
Sodium hydroxide
CAS1310-73-2
industrial cleaning and manufacturing agent
StrongForm Family
MAGNESIUM HYDROXIDE
CAS1909-42-8
Compound for research and industrial applications
StrongStructure SimilarSimilarity 1.00
Barium hydroxide
CAS17194-00-2
Industrial chemical and strong base
StrongStructure SimilarSimilarity 1.00
Zinc hydroxide
CAS20427-58-1
pharmaceutical intermediate
StrongStructure SimilarSimilarity 1.00
Cupric hydroxide
CAS20427-59-2
Fungicide and insecticide
StrongStructure SimilarSimilarity 1.00
Bismuth hydroxide
CAS10361-43-0
Catalyst and reagent in separations
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation
H370Causes damage to organs
H373May cause damage to organs through prolonged or repeated exposure
H402Harmful to aquatic life
Customs Tariff Classification
The international HS code for CALCIUM HYDROXIDE (CAS 1305-62-0) is 2522.20, 2825.90.
HS code (international, 6-digit)
2522.20, 2825.90
EU CN code (8-digit)
2522 20 00, 2825 90 19
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
calcium dihydroxide
InChIKey
AXCZMVOFGPJBDE-UHFFFAOYSA-L
SMILES
[OH-].[OH-].[Ca+2]
Synonyms (41)
- BTTE
- E-526
- Bell mine
- Biocalc
- CALCIUM HYDROXIDE
- CALCIUM HYDROXIDE [MART.]
- Calbit
- Calcarea caustica
- Calcium dihydoxide
- Calcium dihydroxide
- Calcium hydrate
- Calcium hydroxide (Ca(OH)2)
- Caldic 1000
- Calvit
- Caustic lime
- Hydralime
- Hydrated lime
- Hydroxide, Calcium
- INS NO.526
- KO2, Ca(OH)2
- Kalkhydrate
- Kalziumhydroxid
- Kemikal
- Kentoku K 100
- Limbux
- Lime hydrate
- Lime milk
- Lime water
- Loeschkalk
- Milk of lime
- NICC 3000
- O2 Patch
- Rhenofit CF
- Sa 074
- Slaked lime
- Super Microstar
- Yukijirushisakanyo
- calcium(2+) hydroxide
- calcium(II) hydroxide
- geloeschter Kalk
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