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Sorry! ECHA has not published any information for this chemical as of January 1, 2020.

Calcium hydroxide

Primary Chemical Name :

Primary Chemical Name is the standard name assigned to a chemical substance.

Calcium hydroxide
CAS Registry Number:

Chemical Abstracts Service Registry Number is a unique identifier for a chemical and its synonyms. CAS numbers identify the chemical, but not its concentration or specific mixture.  CAS Registry Numbers are assigned by the Chemical Abstracts Service, a division of the American Chemical Society. For more information: www.cas.org

We have assigned ID numbers (with 6 leading zeros or nines, e.g., 000000-xx-x or 999999-xx-x) for blends and chemicals that do not have CAS numbers.

EC Number:

The EC Number, formerly known as the EINECS number is a unique 7-digit number (format: xxx-xxx-x) assigned to chemicals registered with the European Chemicals Agency (ECHA).


Synonyms are alternative names that represent the same chemical substance.

Calcium hydroxide;Calcium hydrate;Lime water;Calcium dihydroxide;Calcium hydroxide (Ca(OH)2)

SVHC is a substance (identified by the European Chemicals Agency) that may have serious and often irreversible effects on human health and the environment. SVHC are defined in Article 57 of Regulation (EC) No 1907/2006 (“the REACH Regulation”) and include substances which are:
1.  Carcinogenic, Mutagenic or toxic to Reproduction (CMR), meeting the criteria for classification in category 1 or 2 in accordance with Directive 67/548/EEC or in category 1a or 1b in accordance with EC No 1272/2008This directive was recently replaced by the new EU regulation (EC) No 1272/2008.
2.  Persistent, Bioaccumulative and Toxic (PBT) or very Persistent and very Bioaccumulative (vPvB) according to the criteria in Annex XIII of the REACH Regulation, or
3.  Identified, on a case-by-case basis, from scientific evidence as causing probable serious effects to human health or the environment of an equivalent level of concern as those above (e.g. endocrine disrupters).


Sources for Information on Chemicals

List of 225 Brands that contain this chemical

Product Category

HTH 3-in-1 Chlorinating Skimmer Tablets-03/09/2016

solid 0-5.0

HTH Blue Sparkle Skimmer Tabs-01/08/2019

solid 10.0-16.0

HTH Shock Treatment-06/08/2017

powder 0-4.0

HTH Super Green to Blue Shock System, Part I-06/24/2015

powder 0-4.0
Prestone Driveway Heat, Concentrated Ice Melter-09/20/2017
pellet --

Super Sock It Pool Cleaner-Discontinued

powder 0-5
11194_01031001 Image HTH 3-in-1 Chlorinating Skimmer Tablets.jpg
HTH 3-in-1 Chlorinating Skimmer Tablets-Old Product tablets 0-5
11199_01031005 Image HTH Chlorinating Granules.jpg
HTH Chlorinating Granules-Old Product granules 0-5
11204_01031010 Image HTH Shock N Swim.jpg
HTH Shock N Swim-Old Product granules 0-5
11205_01031011 Image HTH Spa Chlorinating Sanitizer.jpg
HTH Spa Chlorinating Sanitizer-Old Product granules 0-5
11207_01031013 Image HTH Spa Shock.jpg
HTH Spa Shock-Old Product granules 0-5
11211_01031017 Image HTH Super Shock N Swim.jpg
HTH Super Shock N Swim-Old Product granules 0-5
Quikrete B-Crete No. 1101-81-Old Product powder --
Quikrete Fence Post Mix No. 1005-Old Product powder --
Quikrete Mudjacking Grout No. 1585-11-Old Product powder --
Quikrete Pebble Finish No. 1806-Old Product powder --
Quikrete Pool Finish No. 1800-Old Product powder --
Quikrete Pool Plaster No. 1319-Old Product powder --
Quikrete Rapid Road Repair, Fibered No. 1242-50-Old Product powder --
Quikrete Rapid Road Repair, Unfibered No. 1242-52-Old Product powder --
Quikrete Rip Rap No. 1129-Old Product powder --
UGL Drylok White Cement Paint-Old Product liquid 25
Home Maintenance
Georgia Pacific Cameo Veneer Plaster paste 15.0-30.0
Henry 547 UniPro Universal Underlayment, Professional Use-09/21/2016
powder 1.0-5.0
Henry 555 LevelPro Self-Leveling Underlayment, Professional Use-09/21/2016
powder 1.0-5.0
Henry 565 FloorPro Self-Leveling Underlayment, Professional Use-09/21/2016
powder 1.0-5.0
10717_12013019 Image Laticrete PermaColor Grout.jpg
Laticrete PermaColor Grout powder 1.0-2.0
National Gypsum Gold Bond Brand Stabilizing Agent-01/26/2004 powder --
National Gypsum Gold Bond Plaster Retarder-07/-1/2009 powder <25
National Gypsum Kal Kote Smooth Finish Veneer Plaster powder --
National Gypsum Kal Kote Texture Finish Veneer Plaster powder --
National Gypsum Retarder-Old Product powder --
National Gypsum Retarder-01/26/2004 powder --
National Gypsum Stabilizing Agent-Old Product powder --
National Gypsum Uni Kal Veneer Plaster powder --
National Gypsum X KALibur Veneer Plaster powder --
Pakmix Glass Block Mortar Mix powder --

Quikrete Commercial Grade Fast-Set Stucco Patch, 1139,-06/22/2016

paste 1.0-5.0

Quikrete Commercial Grade Polymer Modified Structural Repair, 1241-25,-06/22/2016

granules 1.0-5.0

Sakrete Fast Setting Cement Patcher-01/31/2018

powder 0.5-2.0

Sakrete Glass Block Mortar Mix-01/31/2018

powder 1.0-5.0

Sakrete Mortar Mix Type N-01/31/2018

powder 0.5-5.0

Sakrete Mortar Mix Type S-01/31/2018

powder 2.88

Sakrete Stone Veneer Mortar-01/31/2018

powder 0.5-5.0
10605_19043003 Image Sika Mix and Go.jpg
Sika Mix and Go powder --
Thoro Super Quickseal-Old Product powder 10.0
Thoro Super Quickseal-05/07/2001 powder 10
Thoro Water Plug Cement powder 5.0
Thorogrip Anchoring Cement powder 5.0
U.S. Mix Glass Block Mortar-12/01/2003 powder --

UGL Drylok, Fast Plug Hydraulic Cement-10/08/2013

powder 5.0-10.0

UGL Drylok, Powdered Masonry Waterproofer, White-04/24/2014

powder 3.0-7.0
Zinsser WaterTite Hydraulic Cement for Concrete & Masonry-01/12/2016
granules 1.0-2.5
10105_03017072 Image CustomFloat Bedding MortarCFT50.jpg
Custom Float Bedding Mortar, 8006-Old Product powder 5.0-15.0
Custom Plug Hydraulic Patching and Anchoring Cement-Old Product powder <5.0
10134_03017101 Image Glass Block Mortar Mix GBMM50.jpg
Glass Block Mortar, White, 6023-Old Product powder 10.0-20.0
Henry 547 Unipro Universal Underlayment-Old Product powder 1.0 - 8.0
Quikrete 5000 Concrete Mix No. 1007-05/08/2012-Old Product powder 0-5.0
Quikrete 5000 No. 1007-Old Product powder --
Quikrete Anchoring Cement No. 1245-Old Product powder --
Quikrete Aquablend No. 1225-60-Old Product powder --
Quikrete Aqualight No. 1225-62-Old Product powder --
Quikrete Base Coat Stucco No. 1139-Old Product powder --
Quikrete Base Coat Stucco with Water-Stop No. 1139-89-05/08/2012-Old Product powder 5.0
Quikrete Basic Concrete Mix No. 1015-60-Old Product powder --
Quikrete BBond A No. 1222-Old Product powder --
Quikrete BBond MS No. 1234-Old Product powder --
Quikrete BlocBond No. 1225-51-Old Product powder --
Quikrete Bulk Masonry Mortars No. 1162-Old Product powder --
Quikrete Cement No. 1125-21-Old Product powder --
Quikrete Chemically Hydrated Lime No. 9907-Old Product powder --
Quikrete Coarse & Fine Core Fill Masonry Grouts No. SR-9003, SR-9006-Old Product powder --
Quikrete Commercial Grade FastSet Cement No. 1124-92-Old Product powder --
Quikrete Commercial Grade FastSet Concrete No. 1004-51-Old Product powder --
Quikrete Commercial Grade FastSet Non Shrink Grout No. 1585-09-Old Product powder --
Quikrete Commercial Grade FastSet Repair Mortar No. 1585-09-Old Product powder --
Quikrete Concrete Mix No. 1101-Old Product powder --
Quikrete Concrete Mix No. 1101-05/08/2012-Old Product powder 0-5.0
Quikrete Concrete Resurfacer No. 1131-05/08/2012-Old Product powder --
Quikrete Concrete Resurfacer No. 1131-60-Old Product powder --
Quikrete Concrete Resurfacer, Skid Resistant No. 1131-61-Old Product powder --
Quikrete Countertop Mix No. 1106-80-05/08/2012-Old Product powder --
Quikrete Crack Resistant Concrete No. 1006-80-Old Product powder --
Quikrete Exterior Stucco No. 1209-Old Product powder --
Quikrete Exterior Use Anchoring Cement No. 1245-05/08/2012-Old Product powder --
Quikrete Exterior Use Anchoring Cement No. 1245-80-Old Product powder --
Quikrete Fast Setting Concrete No. 1004-Old Product powder --
Quikrete Fast-Setting Concrete Mix No. 1004-05/08/2012-Old Product powder --
Quikrete Fast-Setting Self Leveling Floor Resurfacer No. 1249-51-Old Product powder --
Quikrete Fast-Setting Self-Leveling Floor Resurfacer No. 1249-51-05/08/2012-Old Product powder --
Quikrete Fast-Setting Underlayment & Unsanded No. 1248-24, 1248-25, 1248-26-Old Product powder --
Quikrete FastSet Concrete Mix No. 1004-80-05/08/2012-Old Product powder --
Quikrete FastSet Repair Mortar No. 1241-05/08/2012-Old Product powder --
Quikrete Fibercrete No. 1131-61-Old Product powder --
Quikrete Fiberglass Reinforced Stucco, Concentrated No. 1216-93-Old Product powder --
Quikrete Finish Coat Stucco No. 1201-05/08/2012-Old Product powder --
Quikrete Finish Coat Stucco No. 1201-Old Product powder --
Quikrete Floor Mud No. 1548-81-05/08/2012-Old Product powder --
Quikrete Foam Coating No. 1219-Old Product powder --
Quikrete Geothermal Well Grout No. 1590-55-Old Product powder --
Quikrete Glass Block Mortar No. 1610-05/08/2012-Old Product powder --
Quikrete Glass Block Mortar No. 1610-Old Product powder --
Quikrete Grout-Type A No. 1585-04-Old Product powder --
Quikrete Handi-Crete Concrete No. 1141-Old Product powder --
Quikrete Handi-Crete Sand Mix No. 1143-Old Product powder --
Quikrete Heavy Duty Masonry Coating No. 1300-Old Product powder --
Quikrete High Yield Concrete No. 1100-Old Product powder --
Quikrete Hydraulic Water Stop No. 1126-Old Product powder --
Quikrete Hydraulic Water-Stop Cement No. 1126-05/08/2012-Old Product powder --
Quikrete Inca 1000 Mine Sealant No. 1225-50-Old Product powder --
Quikrete Light Weight Concrete No. 1008-Old Product powder --
Quikrete Light Weight Sand Mix No. 1103-51-Old Product powder --
Quikrete Marble Stucco No. 1802-Old Product powder --
Quikrete Mason Mix No. 1136-Old Product powder --
Quikrete Masonry Cement No. 1125-70-Old Product powder --
Quikrete Masonry Cement Type-N, No. 1125-05/08/2012-Old Product powder --
Quikrete Masonry Coating No. 2400-Old Product powder --
Quikrete Mortar Mix No. 1102-05/08/2012-Old Product powder --
Quikrete Mortar Mix No. 1102-Old Product powder --
Quikrete Natural Stone Veneer Mortar No. 1137-88-05/08/2012-Old Product powder --
Quikrete Non-Shrink General Purpose Grout No. 1585-01-Old Product powder --
Quikrete Non-Shrink General Purpose Grout No. 1585-01-05/08/2012-Old Product powder --
Quikrete Non-Shrink Precision Grout No. 1585-Old Product powder --
Quikrete Omni Grout Sanded No. 1490-Old Product powder --
Quikrete Omni Grout Unsanded No. 1491-Old Product powder --
Quikrete One Coat Fiberglass Reinforced Stucco & Concentrated No. 1200, 1216-Old Product powder --
Quikrete Patching Plaster No. 9903-Old Product powder --
Quikrete Plastic Cement No. 2121-Old Product powder --

Quikrete Polymer Modified Sanded Tile Grout No. 1489-Old Product

powder --
Quikrete Polymer Modified Unsanded Tile Grout No. 1492-Old Product powder --
Quikrete Portland Cement No. 1124-Old Product powder --
Quikrete Portland Cement No. 1124-05/08/2012-Old Product powder --
Quikrete Portland Lime No. 1124-06-Old Product powder --
Quikrete Portland/Pozzolan Cement No. 1118-35-Old Product powder --
Quikrete Quick Setting Cement No. 1240-Old Product powder --
Quikrete Quick-Setting Cement No. 1240-05/08/2012-Old Product powder --
Quikrete Quikwall Foundation Coating No. 1215-Old Product powder --
Quikrete Quikwall Surface Bonding Cement No. 1230-Old Product powder --
Quikrete Quikwall Surface Bonding Cement, Unsanded No. 1220-Old Product powder --

Quikrete Rapid Hardening Sand Mix No. 1243-50-Old Product

powder --
Quikrete Reinforced Concrete No. 1006-Old Product powder --
Quikrete Roof Tile Mortar No. 1140-Old Product powder --
Quikrete Sand Mix No. 1003-Old Product powder --
Quikrete Sanded Tile Grout No. 1156-Old Product powder --
Quikrete Scratch and Brown Base Coat Stucco No. 1139-05/08/2012-Old Product powder --
Quikrete Self Leveling Floor Resurfacer No. 1249-50-Old Product powder --
Quikrete Shotcrete No. 1228-Old Product powder --
Quikrete Shotcrete MS No. 1229-Old Product powder --
Quikrete Thin Set Multi-Purpose No. 1550 -05/08/2012-Old Product powder --
Quikrete Thin Set Sanded No. 1547 -05/08/2012-Old Product powder --
Quikrete Thin-Set Floor Mix No. 1548-Old Product powder --
Quikrete Thin-Set Multipurpose No. 1550-Old Product powder --
Quikrete Thin-Set Sanded No. 1547-Old Product powder --
Quikrete Thin-Set Unsanded No. 1553-Old Product powder --
Quikrete Thin-Set Wall Mix No. 1554-Old Product powder --
Quikrete Unsanded Tile (Dry) Grout No. 1552-Old Product powder --
Quikrete Veneer Plaster, Sand White No. 1801-04-Old Product powder --
Quikrete Veneer Plaster, Smooth No. 1801-00-Old Product powder --
Quikrete Vinyl Concrete Patcher No. 1008-Old Product powder --
Sakrete Masons Mix, Commercial Grade Pre-Blended Mortar for Brick and Block- Old Product powder --
10126_03017093 Image SpeedSet Fortified Thin Set Mortar.jpg
SpeedSet, Fortified Thinset Mortar, Grey and White, 6029-Old Product powder 1.0-5.0
10311_21004025 Image UGL Drylok Fast Plug.jpg
UGL Drylok Fast Plug-Old Product powder <5
10314_21004028 Image UGL Drylok Powdered Masonry Waterproofer.jpg
UGL Drylok Powdered Masonry Waterproofer-Old Product powder 5
Inside the Home

Comet 2X Bleach Powder-05/27/2015

powder 1.0-5.0

Comet with Bleach Cleanser, Lemon Fresh-09/24/2013

powder 1.0-5.0

Comet with Bleach Powder-08/25/2015

powder --

Comet with Bleach Powder, Lavender Fresh-07/15/2015

powder 1.0-5.0
ZUD Heavy-Duty Powder Cleanser 5409-02/05/2020
powder 1.0-3.0
2000 Flushes Automatic Bowl Cleaner-Old Product granules 0-1.3
ZUD Heavy-Duty Powder Cleanser-08/03/2017-Old Product
powder 1.0-3.0
Personal Care
11242_01022101 Image Avon Skin So Soft Fresh & Smooth Facial Hair Removal Cream.jpg
Avon Skin So Soft Fresh & Smooth Facial Hair Removal Cream cream --
11244_01022103 Image Avon Skin So Soft Fresh & Smooth Sensitive Skin Hair Removal Cream for Bikini Line.jpg
Avon Skin So Soft Fresh & Smooth Sensitive Skin Hair Removal Cream for Bikini Line cream --
6262_t and t cond relaxer.jpeg
Clairol Texture and Tones Relaxer (Ethnic) liquid >1%

Nair Hair Remover Bikini Cream, Sensitive Formula-11/11/2015

cream 1.0-5.0

Nair Hair Remover Brazilian Spa Clay Body Cream-11/11/2015

cream 1.0-5.0

Nair Hair Remover Glides Away Bikini, Arms and Underarms, Moroccan Argan Oil-11/11/2015

liquid 1.0-5.0

Nair Hair Remover Lotion For Body & Legs, Baby Oil, Fresh Scent-11/11/2015

liquid 1.0-5.0

Nair Hair Remover Lotion For Body and Legs, Aloe and Lanolin-11/11/2015

liquid 1.0-5.0

Nair Hair Remover Lotion For Body and Legs, Cocoa Butter & Vitamin E-11/13/2015

liquid 1.0-5.0

Nair Hair Remover Nourish Shower Power with Japanese Cherry Blossom-11/02/2015

liquid 1.0-5.0

Nair Hair Remover Precision Face and Upper Lip Kit-01/21/2016

cream 1.0-5.0

Nair Hair Remover Shower Power Sensitive Formula-11/20/2015

cream 1.0-5.0

Nair Men Hair Removal Body Cream-11/11/2015

cream 1.0-5.0

Nair Shower Power Max with Moroccan Argan Oil, Cream for Legs and Body-11/11/2015

liquid 1.0-5.0

Neet Fast Acting Gel Cream Hair Remover, Sensitive Formula with Aloe Vera-03/31/2015

cream 2.5-5.0
Noxzema Clean Moisture Deep Cleansing Cream liquid --
Noxzema Deep Cleansing Cream Plus Moisturizers cream --
Noxzema-The Original Deep Cleansing Cream cream --

Olay Smooth Finish Facial Hair Removal Duo, Fine To Medium Hair-03/09/2015

liquid Hair removal cream

Olay Smooth Finish Facial Hair Removal Duo, Medium To Coarse Hair-02/16/2015

liquid 1.0-5.0 (Hair removal cream)

Olay Total Effects Deep Pore Lathering Cloths-02/16/2015

wipes 1.0-5.0

Olay Total Effects Wet Cleansing Cloths-02/16/2015

wipes 1.0-5.0
P&G No Lye Conditioning Cr semi-solid 5.00
Soft & Beautiful Just for Me Naturally Gentle Texture Softener kit (Part B-Cream)

Veet 3-In-1 Facial Hair Cream Kit, Hair Removal Cream-06/13/2018

cream 1.0-5.0
Veet Bikini Kit Hair Removal Cream For Sensitive Skin(Canadian Market) cream 1.0-5.0

Veet Botanic Inspirations Hair Removal Cream, Sensitive Formula-06/13/2018

cream 1.0-5.0

Veet Botanic Inspirations In Shower Cream Hair Remover, Sensitive Formula-10/17/2016

cream 2.5-5.0

Veet Hair Removal Gel Cream for Sensitive Skin, Aloe Vera & Vitamin E-03/31/2015

cream 2.5-5.0

Veet Silk & Fresh Gel Cream Legs & Body Hair Remover, Sensitive Formula-06/13/2018

cream 1.0-5.0

Veet Spray On Cream Hair Remover for Legs & Body, Essential Oils & Velvet Rose-10/02/2013

aerosol 2.5-10.0

Veet Spray On Cream Hair Remover for Legs & Body, Sensitive Formula with Aloe Vera-03/31/2015

aerosol 2.5-5.0

Veet Spray On Cream Legs & Body Hair Remover, Sensitive Formula, Spray-10/12/2016

aerosol 2.5-5.0
Imina P&G No Lye Conditioning Cr semi-solid 5.00
Nair 3 in 1 Brush on Cream Hair Remover-discontinued cream --
10229_03005085 Image Nair Hair Remover Bikini Creme, Vanilla Smoothie.jpg
Nair Cream Hair Remover Bikini Creme, Vanilla Smoothie-Old Product cream --
10226_03005092 Image Nair Hair Remover, for Face & Upper Lip.jpg
Nair Cream Hair Remover for Face and Upper Lip-Old Product cream 1.0-5.0
10225_03005083 Image Nair Hair Remover Baby oil.jpg
Nair Cream Hair Remover for Face with Baby Oil-Old Product cream 1.0-5.0
10230_03005087 Image Nair Hair Remover Gel Cream for Body, Sensitive Formula, Spring Essence.jpg
Nair Cream Hair Remover Gel Cream for Body, Sensitive Formula, Spring Essence-Old Product cream --
Nair Cream Hair Remover with Baby Oil, for Face-Old Product cream --
10231_03005091 Image Nair Hair Remover, Exfoliator.jpg
Nair Hair Remover Exfoliator-Old Product cream 2.0-8.0
Nair Lotion Hair Remover with Aloe & Lanolin-Old Product liquid --
10232_03005094 Image Nair Hair Remover Lotion for Body, Aloe & Lanolin.jpg
Nair Lotion Hair Remover with Aloe and Lanolin-10/10/2008-Old Product liquid 2.0-8.0
10233_03005095 Image Nair Hair Remover Lotion for Body, Baby Oil.jpg
Nair Lotion Hair Remover with Baby Oil-10/10/2008-Old Product liquid 2.0-8.0
Nair Lotion Hair Remover with Baby Oil-Old Product liquid --
10234_03005096 Image Nair Lotion Cocoa.jpg
Nair Lotion Hair Remover with Cocoa Butter-10/10/2008-Old Product liquid 2.0-8.0
Nair Lotion Hair Remover with Cocoa-Old Product liquid --
10235_03005097 Image Nair Roll On.jpg
Nair Roll On Hair Remover, Baby Oil-10/10/2008-Old Product cream 1.0-5.0
Nair Roll On Hair Remover, Baby Oil-Old Product liquid --
10236_03005098 Image Nair Shower Power Hair Remover, Thick Formula.jpg
Nair Shower Power Hair Remover, Thick Formula-Old Product cream 2.0-8.0
Noxzema Original Skin Cream-Old Product paste --
Noxzema Plus Cleansing Cream-Old Product cream --
Noxzema Skin Cream, Original-Old Product cream --
Olay Smooth Finish Facial Hair Removal Duo - Fine to Medium Hair-Old Product combination solid and cream 1.0-5.0 (Hair Removal Cream)
Olay Smooth Finish Facial Hair Removal Duo - Medium to Coarse Hair-Old Product combination solid and cream 1.0-5.0 (Hair Removal Cream)