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

Calcium magnesium hydroxide (CaMg(OH)4)

Primary Chemical Name :

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

Calcium magnesium hydroxide (CaMg(OH)4)
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 magnesium tetrahydroxide;Double hydrated dolomitic lime

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 49 Brands that contain this chemical

Product Category
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 --
Home Maintenance
Henry 547 UniPro Universal Underlayment, Professional Use-09/21/2016
powder 3.0-7.0

Sakrete Fast Setting Cement Patcher-01/31/2018

powder 1.5-3.0

Sakrete Glass Block Mortar Mix-01/31/2018

powder 3.0-7.0

Sakrete Mortar Mix Type N-01/31/2018

powder 1.0-5.0

Sakrete Stone Veneer Mortar-01/31/2018

powder 1.0-5.0
10105_03017072 Image CustomFloat Bedding MortarCFT50.jpg
Custom Float Bedding Mortar, 8006-Old Product powder 1.0-10.0
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 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 Chemically Hydrated Lime No. 9907-Old Product powder --
Quikrete Exterior Stucco No. 1209-Old Product powder --
Quikrete Fast-Setting Underlayment & Unsanded No. 1248-24, 1248-25, 1248-26-Old Product powder --
Quikrete Fiberglass Reinforced Stucco, Concentrated No. 1216-93-Old Product powder --
Quikrete Finish Coat Stucco No. 1201-Old Product powder --
Quikrete Foam Coating No. 1219-Old Product powder --
Quikrete Glass Block Mortar No. 1610-Old Product powder --
Quikrete Heavy Duty Masonry Coating No. 1300-Old Product powder --
Quikrete Inca 1000 Mine Sealant No. 1225-50-Old Product powder --
Quikrete Marble Stucco No. 1802-Old Product powder --
Quikrete Mason Mix No. 1136-Old Product powder --
Quikrete Masonry Coating No. 2400-Old Product powder --
Quikrete Mortar Mix No. 1102-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 Polymer Modified Sanded Tile Grout No. 1489-Old Product

powder --
Quikrete Polymer Modified Unsanded Tile Grout No. 1492-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 Roof Tile Mortar No. 1140-Old Product powder --
Quikrete Sanded Tile Grout No. 1156-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 --
Sakrete Stone Veneer Mortar-Old Product solid --