Calcium bromide CAS 7789-41-5

Calcium bromide, chemical formula CaBr2. Chemical formula: CaBr2 Molecular weight: 199.90. Colorless rhombic crystals. Deliquescent. Melting point 730℃(with trace decomposition), boiling point 806-812℃, relative density 3.35325. Its hexahydrate is a colorless hexagonal crystal with a melting point of 38.2℃, a boiling point of 149℃, and a relative density of 2.295. It is readily soluble in water, ethanol and acetone, and slightly soluble in liquid ammonia. Its aqueous solution is neutral or slightly alkaline. It can be produced by the reaction of hydrobromic acid with calcium oxide, lime milk or calcium carbonate, or by passing ammonia into lime milk and then adding bromine. It should be sealed and stored away from light. It is used in the photography industry, etc.

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Model:
7789-41-5
Brand:
futurechemical
Code:
7789-41-5

Product Description

Calcium bromide Basic information
Uses
Product Name:	Calcium bromide
CAS:	7789-41-5
MF:	Br2Ca
MW:	199.89
EINECS:	232-164-6
Mol File:	7789-41-5.mol
Calcium bromide Chemical Properties
Melting point	730°C
Boiling point	806-812°C
density	3.353 g/mL at 25 °C (lit.)
vapor pressure	0Pa at 25℃
Fp	806-812°C
solubility	soluble in ethanol, acetone
form	beads
color	White to off-white
Specific Gravity	3.353
Odor	gran. or rhombic cryst., odorless, sharp saline taste
Water Solubility	Soluble in water, methanol, ethanol and acetone. Insoluble in dioxane, chloroform and ether.
Sensitive	Hygroscopic
Merck	141,654
Stability:	hygroscopic
CAS DataBase Reference	7789-41-5(CAS DataBase Reference)
NIST Chemistry Reference	Calcium dibromide(7789-41-5)
EPA Substance Registry System	Calcium bromide (CaBr2) (7789-41-5)

Test Parameter	Specification	Test Result
Appearance	White Powder	White powder
Main Content as CaBr2.2H2O	96% min.	98.5%
pH Value (5% solution)	6.5 - 9.5	7.3
Chloride (Cl)	1.0% max.	0.4%
Bromate (BrO3)	No reaction	No reaction
Heavy Metal (Pb)	0.005% max.	< 0.001%
Water Insoluble	0.3% max.	0.03%

Water treatment defluoridation agent dealkali agent and softener CaBr₂ Oil drilling fluid and completion fluid Fire retardant Manufacturing refrigerants and fire extinguishers Concrete additives Metallurgical industry flux Water treatment defluoridation agent dealkali agent and softener Food coagulant

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Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
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FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.