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Calcium Hydroxide

CAS #:

1305-62-0

Linear Formula:

Ca(OH)₂

MDL Number:

MFCD00010901

EC No.:

215-137-3

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ORDER

PRODUCT	Product Code	ORDER	SAFETY DATA	TECHNICAL DATA
(2N) 99% Calcium Hydroxide	CA-OH-02	Pricing >	SDS >	Data Sheet >
(3N) 99.9% Calcium Hydroxide	CA-OH-03	Pricing >	SDS >	Data Sheet >
(4N) 99.99% Calcium Hydroxide	CA-OH-04	Pricing >	SDS >	Data Sheet >
(5N) 99.999% Calcium Hydroxide	CA-OH-05	Pricing >	SDS >	Data Sheet >

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Calcium Hydroxide Properties (Theoretical)

Compound Formula	H₂CaO₂
Molecular Weight	74.09
Appearance	White Powder
Melting Point	580° C (1,076° F)
Boiling Point	N/A
Density	2.24 g/cm³
Solubility in H2O	N/A
Exact Mass	73.968071
Monoisotopic Mass	73.968071

Calcium Hydroxide Health & Safety Information

Signal Word	Danger
Hazard Statements	H315-H318-H335
Hazard Codes	C, Xi
Precautionary Statements	P261-P280-P305+P351+P338-P304+P340-P310-P321-P403+P233-P405-P501
Risk Codes	N/A
Safety Statements	N/A
RTECS Number	EW2800000
Transport Information	NONH for all modes of transport
GHS Pictograms	GHS05 Corrosive GHS07 Exclamation Point

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SAFETY DATA SHEET

Date Accessed: 11/15/2024

Date Revised:01/15/2022

SECTION 1. IDENTIFICATION

Product Name: Calcium Hydroxide

Product Number: All applicable American Elements product codes, e.g. CA-OH-02 , CA-OH-03 , CA-OH-04 , CA-OH-05

CAS #: 1305-62-0

Relevant identified uses of the substance: Scientific research and development

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SECTION 16. OTHER INFORMATION

Safety Data Sheet according to Regulation (EC) No. 1907/2006 (REACH). The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. American Elements shall not be held liable for any damage resulting from handling or from contact with the above product. See reverse side of invoice or packing slip for additional terms and conditions of sale. COPYRIGHT 1997-2022 AMERICAN ELEMENTS. LICENSED GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY.

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About Calcium Hydroxide

Calcium Hydroxide is a highly water insoluble crystalline Calcium source for uses compatible with higher (basic) pH environments. Calcium Hydroxide is generally immediately available in most volumes. Ultra high purity and high purity compositions improve both optical quality and usefulness as scientific standards. Nanoscale elemental powders and suspensions, as alternative high surface area forms, may be considered. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.

Calcium Hydroxide Synonyms

Calcium dihydroxide; calcium(II) hydroxide; calcium(2+) hydroxide; Kalziumhydroxid; geloeschter Kalk; Loeschkalk

Chemical Identifiers

Linear Formula	Ca(OH)₂
MDL Number	MFCD00010901
EC No.	215-137-3
Beilstein/Reaxys No.	N/A
Pubchem CID	6093208
IUPAC Name	calcium dihydroxide
SMILES	[OH-].[OH-].[Ca+2]
InchI Identifier	InChI=1S/Ca.2H2O/h;2*1H2/q+2;;/p-2
InchI Key	AXCZMVOFGPJBDE-UHFFFAOYSA-L

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Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Elements

Calcium

20 Ca 40.078000000 Calcium

See more Calcium products. Calcium (atomic symbol: Ca, atomic number: 20) is a Block S, Group 2, Period 4 element with an atomic weight of 40.078. The number of electrons in each of Calcium's shells is [2, 8, 8, 2] and its electron configuration is [Ar]4s². The calcium atom has a radius of 197 pm and a Van der Waals radius of 231 pm. Calcium was discovered and first isolated by Sir Humphrey Davy in 1808. It is the fifth most abundant element in the earth's crust and can be found in minerals such as dolomite, gypsum, plagioclases, amphiboles, pyroxenes and garnets. In its elemental form, calcium has a dull gray-silver appearance. Calcium is a reactive, soft metal that is a member of the alkaline earth elements. It frequently serves as an alloying agent for other metals like aluminum and beryllium, and industrial materials like cement and mortar are composed of calcium compounds like calcium carbonate. It is also an biologically essential substance found in teeth, bones, and shells. The name "calcium" originates from the Latin word "calics," meaning lime.