Cl2O7 – Chlorine Heptoxide, 12015-53-1

Chlorine heptoxide or Cl2O7 is a highly explosive and reactive compound. It can decompose violently upon contact with organic matter and is a potent oxidizing agent used in chemical synthesis and analysis.

IUPAC NameChlorine heptoxide
Molecular FormulaCl2O7
CAS Number12015-53-1
SynonymsPerchloric anhydride, Dichlorine heptoxide, Chlorine(VII) oxide, Chlorine oxide, Perchloryl perchlorate
InChIInChI=1S/Cl2O7/c2-1(3,4,5,6)10-7(8,9)11-12-13-14-10
Chlorine Heptoxide molar mass

Chlorine Heptoxide, with the chemical formula Cl2O7, has a molar mass of 182.9 g/mol. This compound is composed of two chlorine atoms and seven oxygen atoms, making it a highly oxidizing agent. The molar mass of Chlorine Heptoxide is used to calculate the amount of substance in a given mass or volume of a sample using the Avogadro constant.

Chlorine Heptoxide boiling point

Chlorine Heptoxide is a colorless to yellowish solid that is highly reactive and volatile. The boiling point of Chlorine Heptoxide is not well-defined since it decomposes before it reaches its boiling point. Chlorine Heptoxide is a powerful oxidizing agent that can react with organic matter, water, and other substances to form explosive compounds.

Chlorine Heptoxide melting point

Chlorine Heptoxide has a melting point of -96 °C (-141 °F), making it a low-melting solid. Chlorine Heptoxide can exist as a yellowish liquid at room temperature due to its low melting point and high reactivity. It is important to handle Chlorine Heptoxide with care as it can cause severe burns and is a strong oxidizing agent.

Chlorine Heptoxide density g/ml

The density of Chlorine Heptoxide is 2.48 g/mL at room temperature. The high density of Chlorine Heptoxide makes it a dense liquid that can quickly sink to the bottom of a container. The high density and reactivity of Chlorine Heptoxide make it a challenging compound to handle, and it requires special safety precautions when used in chemical synthesis or analysis.

Chlorine Heptoxide molecular weight

The molecular weight of Chlorine Heptoxide, also known as the relative molecular mass, is 182.9 g/mol. The molecular weight of Chlorine Heptoxide is important in chemical calculations that involve the amount of substance, mass, and volume. The high molecular weight of Chlorine Heptoxide makes it a dense and volatile compound that requires careful handling and storage.

Chlorine Heptoxide Structure
cl2o7

The structure of Chlorine Heptoxide is composed of two chlorine atoms and seven oxygen atoms. It has a molecular formula of Cl2O7, and its molecular geometry is a distorted octahedral shape due to the repulsion between the oxygen atoms. Chlorine Heptoxide is a powerful oxidizing agent and can react with a variety of organic and inorganic substances. The structure of Chlorine Heptoxide is critical in understanding its chemical properties and behavior in different reactions.

Chlorine Heptoxide formula

The chemical formula for Chlorine Heptoxide is Cl2O7. The formula indicates that each molecule of Chlorine Heptoxide contains two chlorine atoms and seven oxygen atoms. The formula is used to calculate the stoichiometry of chemical reactions that involve Chlorine Heptoxide. The formula for Chlorine Heptoxide is also important in determining its molecular weight, density, and other physical and chemical properties.

AppearanceColorless to yellowish solid
Specific Gravity2.48 at 25°C
ColorColorless to yellowish
OdorPungent, acidic
Molar Mass182.9 g/mol
Density2.48 g/mL at 25°C
Melting Point-96°C (-141°F)
Boiling PointDecomposes before boiling point
Flash PointNot applicable
Water SolubilityReacts violently with water
SolubilitySoluble in organic solvents
Vapour PressureNot available
Vapour DensityNot available
pKaNot available
pHNot applicable
Chlorine Heptoxide Safety and Hazards

Chlorine Heptoxide is a highly reactive and hazardous compound that poses significant safety risks if not handled properly. It can cause severe burns and damage to the eyes, skin, and respiratory system upon contact. Chlorine Heptoxide can also react violently with water and organic matter, leading to explosions and fire hazards. It is essential to use appropriate personal protective equipment, including gloves, goggles, and respirators when handling Chlorine Heptoxide. The compound should be stored and transported in a secure, tightly closed container away from sources of ignition, heat, or moisture. Proper handling procedures and safety precautions should be followed to minimize the risks associated with Chlorine Heptoxide.

Hazard SymbolsOxidizing Agent, Corrosive
Safety DescriptionAvoid contact with water, acids, organic materials, and reducing agents. Use appropriate personal protective equipment. Store in a tightly closed container away from heat, moisture, and sources of ignition. In case of contact with eyes, skin, or respiratory system, seek medical attention immediately.
UN IDsUN 3083
HS Code28299090
Hazard Class5.1 (Oxidizing substances)
Packing GroupII
ToxicityHighly toxic upon inhalation, ingestion, or skin absorption. Causes severe burns and tissue damage. Can lead to explosions and fire hazards upon contact with water, organic matter, and other reactive substances.

Chlorine Heptoxide Synthesis Methods

Chlorine Heptoxide is a highly reactive compound and is challenging to synthesize.

One of the most common methods of Chlorine Heptoxide synthesis is through the reaction of Chlorine gas and Ozone. This reaction is exothermic and can lead to an explosive reaction if not carefully controlled.

Another method involves the reaction of Chlorine gas with Potassium Chlorate, which produces Chlorine Heptoxide and Potassium Chloride as by-products. This method also requires careful control of the reaction conditions to prevent the formation of explosive intermediates.

One can synthesize Chlorine Heptoxide by reacting Chlorine gas with Dichlorine Pentoxide, which produces Chlorine Heptoxide and Dichlorine Hexoxide as by-products. However, researchers do not commonly use this method due to the hazardous nature of Dichlorine Pentoxide.

Other methods of Chlorine Heptoxide synthesis include the reaction of Chlorine gas with various organic compounds, such as Benzene or Toluene, under controlled conditions. However, these methods require careful optimization of the reaction conditions and are not as reliable or commonly used as the Chlorine-Ozone or Chlorine-Potassium Chlorate methods.

Overall, Chlorine Heptoxide synthesis requires careful control of reaction conditions and poses significant safety risks due to the highly reactive nature of the compound. Proper safety precautions and handling procedures should be followed when working with Chlorine Heptoxide or any other hazardous substance.

Chlorine Heptoxide Uses
  • Cl2O7 finds its primary use as an oxidizing agent in chemical synthesis and research.
  • It acts as a potent oxidizer, reacting with a broad range of organic and inorganic compounds, making it useful in numerous chemical reactions.
  • One of the most common uses of Cl2O7 is in the production of Chlorine Dioxide, a powerful disinfectant and bleaching agent used in water treatment, pulp and paper production, and textile manufacturing.
  • It also finds use as a strong oxidizer in the synthesis of several organic compounds, including pharmaceuticals and agrochemicals.
  • Cl2O7 has academic and research uses to study the reactivity of various organic and inorganic compounds. It also serves as a catalyst in the synthesis of certain compounds, such as epoxy resins and acetic anhydride.
  • Due to its hazardous nature, large-scale industrial applications do not commonly use Cl2O7. It requires careful handling and storage to prevent the formation of explosive intermediates and other safety risks.

Overall, Cl2O7 is a useful compound in chemical synthesis and research, but it requires proper safety precautions and handling procedures to minimize the risks associated with its use.

Questions:
Q: What is Cl2O7?

A: Cl2O7 is a chemical compound composed of two chlorine atoms and seven oxygen atoms, with the chemical formula Cl2O7.

Q: What is the correct name for Cl2O7?

A: The correct name for Cl2O7 is dichlorine heptoxide.

Q: Is Cl2O7 ionic or covalent?

A: Cl2O7 is a covalent compound. It is composed of two nonmetal elements, chlorine, and oxygen, and forms a molecular compound through the sharing of electrons between the atoms.

Q: Which oxide below reacts with water to form a weak acid? MgO, Cl2O7, P4O10, Bi2O3, N2O5.

A: The oxide that reacts with water to form a weak acid is N2O5. When N2O5 reacts with water, it forms nitric acid, which is a weak acid. The other oxides listed, MgO, P4O10, Bi2O3, and Cl2O7, do not react with water to form weak acids