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Dichlorozinc

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Identification
Molecular formula
ZnCl2
CAS number
7778-77-6
IUPAC name
dichlorozinc
State
State

At room temperature, dichlorozinc is a solid. It's typically found as a crystalline or powdery solid that is highly hygroscopic, meaning it readily absorbs moisture from the environment.

Melting point (Celsius)
283.00
Melting point (Kelvin)
556.00
Boiling point (Celsius)
732.00
Boiling point (Kelvin)
1 005.00
General information
Molecular weight
136.29g/mol
Molar mass
136.2860g/mol
Density
2.9000g/cm3
Appearence

Dichlorozinc is a white crystalline solid. It may appear as a powdery substance or in the form of small white to off-white chunks. Care should be taken when handling due to its reactivity with moisture, as it releases hydrochloric acid vapors upon contact with water or humid air.

Comment on solubility

Solubility of Dichlorozinc (ZnCl2)

Dichlorozinc, represented by the chemical formula ZnCl2, exhibits interesting solubility characteristics that are essential for various applications, especially in chemical synthesis and industrial uses. Here are some key points about its solubility:

  • Highly Soluble in Water: Zinc chloride is known for its high solubility in water, with a solubility of approximately 432 g/L at room temperature.
  • Temperature Dependence: The solubility of ZnCl2 increases with temperature, making it more soluble in hot water compared to cold. This property is valuable for processes needing concentrated solutions.
  • Alcohol Solubility: Zinc chloride is also soluble in organic solvents like ethanol and acetone, which facilitates its use in organic synthetic processes.
  • Effect of pH: The solubility can be influenced by the pH of the solution; ZnCl2 can hydrolyze in solution, forming zinc hydroxide if the pH rises significantly.

In conclusion, the solubility profile of ZnCl2 is marked by its ability to dissolve readily in polar solvents, particularly water, which is essential for its application in various fields. As such, it is crucial for chemists and industry professionals to leverage these solubility properties to optimize their processes.

Interesting facts

Interesting Facts About Dichlorozinc

Dichlorozinc, known scientifically as zinc(II) chloride, is a fascinating inorganic compound with various applications and properties that make it an intriguing subject of study for chemists. Here are some key facts:

  • Versatility in Applications: Dichlorozinc is widely used in industries such as pharmaceuticals, textiles, and rubber manufacturing. Its ability to act as a dehydrating agent makes it vital in the preparation of various chemical compounds.
  • Role in Organic Synthesis: This compound is a crucial reagent in organic synthesis, assisting in reactions such as the formation of Grignard reagents, which are essential for constructing complex organic molecules.
  • Biological Significance: Zinc is a trace element vital for the human body, and ZnCl2 has been studied for its effects on cellular processes. It plays a role in enzyme function and can have an impact on immune response.
  • Hygroscopic Nature: One of the unique properties of dichlorozinc is its hygroscopic nature, meaning it readily absorbs moisture from the air. This characteristic must be managed carefully in laboratory settings to ensure accurate results in experiments.
  • Corrosive Activity: While useful, dichlorozinc is also known for its corrosive properties, especially towards metals. Safety precautions must be taken when handling it to prevent damage to equipment and ensure user safety.
  • In Historical Use: Historically, ZnCl2 was utilized in the production of various galvanizing agents, which was crucial in protecting steel and iron from corrosion.

In summary, dichlorozinc is more than just a compound; it is a multifaceted chemical that intersects various fields of study, illustrating the intricate relationships between inorganic chemistry and practical applications. Understanding its properties and uses offers valuable insights into both industrial processes and biological systems.

Synonyms
Zinc chloride
7646-85-7
Dichlorozinc
Zinc dichloride
Zinc(II) chloride
Zinkchloride
Zintrace
Zinc chloride fume
Zinkchlorid
Zine dichloride
Chlorure de zinc
Zinc chloride (ZnCl2)
Zinc (chlorure de)
Zinco (cloruro di)
Caswell No. 910
MFCD00011295
CCRIS 3509
HSDB 1050
EINECS 231-592-0
EPA Pesticide Chemical Code 087801
NSC 529648
AI3-04470
UNII-86Q357L16B
Zinc chloride in plastic container
NSC529648
86Q357L16B
Zinc chloride, ultra dry
EC 231-592-0
Zinc chloride (USP:JAN)
Zinc chloride [USP:JAN]
Zinkchlorid [German]
Zinkchloride [Dutch]
Chlorure de zinc [French]
Zinc (chlorure de) [French]
Zinco (cloruro di) [Italian]
UN1840
UN2331
CHLORZINK
ZINCCHLORID
Caswell No 910
Zinc chloride (TN)
Zinc chloride in THF
CLOLURO DI ZINCO
WLN: ZN G2
Zinc chloride (JP17/USP)
Zinc chloride, LR, >=97%
Zinc chloride, p.a., 97.0%
ZINC CHLORIDE, (ANHYDROUS)
Zinc chloride, for molecular biology
Zinc Chloride, ACS Grade, anhydrous
Zinc chloride, 1,9 M in 2-MeTHF
AKOS016017250
Zinc chloride, ACS reagent, >=97%
FZ01332
Zinc chloride, reagent grade, >=98%
USEPA/OPP Pesticide Code: 087801
Zinc chloride (99.99%-Zn) PURATREM
Zinc chloride, 99.999% trace metals basis
Zinc chloride, SAJ first grade, >=95.0%
Zinc chloride, JIS special grade, >=98.0%
D02058
Q204714
Zinc chloride, anhydrous [UN2331] [Corrosive]
BRD-K46586998-001-01-1
Zinc chloride, BioReagent, for molecular biology, >=97.0%
Zinc chloride, anhydrous, powder, >=99.995% trace metals basis
Zinc chloride, anhydrous, free-flowing, Redi-Dri(TM), ACS reagent, >=97%
Zinc chloride, 1M in diethyl ether, packaged under Argon in resealable ChemSeal bottles
Zinc chloride, anhydrous, beads, amorphous, -10 mesh, 99.99% trace metals basis
Zinc chloride, anhydrous, beads, amorphous, -10 mesh, 99.999% trace metals basis
Zinc chloride, anhydrous, free-flowing, Redi-Dri(TM), reagent grade, >=98%
Zinc chloride, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., >=98%
Zinc chloride, puriss., meets analytical specification of Ph. Eur., BP, USP, 98-100.5%
231-592-0
Zinc chloride, BioReagent, for molecular biology, suitable for cell culture, suitable for insect cell culture