Skip to main content

Calcium chromate

ADVERTISEMENT
Identification
Molecular formula
CaCrO4
CAS number
13765-19-0
IUPAC name
calcium;dioxido(dioxo)chromium
State
State

At room temperature, calcium chromate is typically found as a solid. It is insoluble in water and may form deposits over time if not handled properly.

Melting point (Celsius)
358.00
Melting point (Kelvin)
631.00
Boiling point (Celsius)
314.00
Boiling point (Kelvin)
587.00
General information
Molecular weight
156.07g/mol
Molar mass
156.0720g/mol
Density
3.1200g/cm3
Appearence

Calcium chromate appears as a bright yellow powder or crystals. It is known for its vivid coloration, which can range from yellow to orange depending on purity and specific conditions.

Comment on solubility

Solubility of Calcium Dioxido(dioxo)chromium

Calcium dioxido(dioxo)chromium, known for its unique chemical structure, exhibits distinctive solubility characteristics that are crucial for various applications. When assessing its solubility, consider the following aspects:

  • Solubility in Water: Calcium dioxido(dioxo)chromium generally shows limited solubility in water. This arises from the strong ionic bonds within the compound, which require considerable energy to break.
  • Solubility in Organic Solvents: The solubility may improve in certain organic solvents, particularly those that facilitate dissolution through stronger interactions.
  • pH Dependence: The solubility can also be pH-dependent; acidic conditions may enhance solubility by promoting the protonation of anionic species present in the compound.
  • Temperature Influence: Raising the temperature can sometimes increase solubility, particularly with ionic compounds, due to heightened molecular motion.

It is essential to note that the precise solubility can vary depending on the specific conditions and the presence of other chemical species in the solution. Therefore, tests under controlled conditions are recommended to obtain accurate solubility data for practical uses.

In summary, while calcium dioxido(dioxo)chromium may not be highly soluble in all environments, understanding its solubility behavior provides valuable insight for its utilization in various chemical processes. As noted, "the realm of solubility is a delicate dance of ionic interactions and environmental conditions."

Interesting facts

Interesting Facts about Calcium Dioxido(dioxo)chromium

Calcium Dioxido(dioxo)chromium is a fascinating compound that combines elements of both calcium and chromium, resulting in unique properties and applications. Here are some engaging facts about this compound:

  • Dual Nature: This compound showcases the versatility of chromium in different oxidation states, specifically in its +6 state, where it is known for its strong oxidizing properties.
  • Role in Industry: Calcium Dioxido(dioxo)chromium plays a significant role in various industrial applications, particularly in metal finishing processes, where it helps enhance durability and resistance to corrosion.
  • Synthesis: The synthesis of this compound often involves careful control of reaction conditions. Scientists utilize methods that can include hydrothermal synthesis to achieve the desired crystalline structure.
  • Environmental Impact: While chromium compounds are useful, they can also be harmful. The +6 oxidation state of chromium is known to be toxic, which leads to extensive research focused on safe handling and environmental regulations.

Furthermore, it is essential to mention that calcium serves as an important element in various biological processes, including bone formation and cellular function, making this compound of interest beyond just industrial applications. As you explore the chemistry of Calcium Dioxido(dioxo)chromium, you will discover the intriguing balance between its utilitarian properties and the environmental considerations driving ongoing research.

Synonyms
CALCIUM CHROMATE
13765-19-0
Gelbin
Yellow ultramarine
Calcium monochromate
Chromatite syn
Calcium Chrome Yellow
Calcium chromate(VI)
Sintered calcium chromate
Calcium chromium oxide (CaCrO4)
J1FGH4ZJ4M
Calcium chromate (VI)
DTXSID0024717
NSC-176337
C.I. 77223
Gelbin yellow ultramarine
DTXCID904717
237-366-8
Chromic acid (H2CrO4), calcium salt (1:1)
Chromic acid, calcium salt (1:1)
NSC176337
Chromic acid, calcium salt
calcium;dioxido(dioxo)chromium
RCRA waste number U032
CCRIS 156
HSDB 248
Chromic acid H2CrO4, calcium salt
EINECS 237-366-8
UNII-J1FGH4ZJ4M
RCRA waste no. U032
NSC 176337
Calcium chromate, AldrichCPR
SCHEMBL500844
Chromate (CrO4(3-)), calcium (2:3), (T-4)-
CALCIUM CHROMATE [HSDB]
CALCIUM CHROMATE(VI) [MI]
AKOS015914152
12205-18-4
53568-70-0
CI 77223
DB-254164
NS00085768
Q905723