Tetrachloro-1, 4-Benzoquinone Tetrachloro-P-Benzoquinone Tcbq CAS 118-75-2

• Customization: Available
• CAS No.: 118-75-2
• Formula: C6cl4o2
• Model NO.: 99%
• Appearance: Yellow Crystal
• Grade Standard: Industrial Grade
• Transport Package: 25 Kg Per Bag or Drum
• Specification: ≥ 99%
• Trademark: JinYu
• Origin: China

Product Description

Product Description

Introduction to Tetrachloro-p-benzoquinone (TCBQ)
Tetrachloro-p-benzoquinone (TCBQ) is a chlorinated aromatic compound belonging to the quinone family, characterized by its high degree of chlorination and conjugated double-bond structure. This compound is recognized for its strong oxidizing properties and utility in various chemical syntheses and industrial applications. Below is a detailed overview of its chemical properties, uses, and safety considerations.

1. Chemical and Physical Properties

• Chemical Formula: C6Cl4O2
• CAS Number: 118-75-2
• Molecular Weight: 245.88 g/mol
• Physical Appearance:
  • Bright yellow to orange crystalline solid with a pungent odor.
• Key Physical Data:

Property	Value
Melting Point	112-114°C
Boiling Point	Decomposes before boiling
Solubility	Sparingly soluble in water; soluble in organic solvents (e.g., ethanol, ether, chloroform).
Density (20°C)	~1.84 g/cm³

2. Industrial and Laboratory Applications
TCBQ's strong oxidizing nature and chlorinated structure make it valuable in multiple fields:
(1) Organic Synthesis

• Oxidizing Agent:
  • Used in dehydrogenation reactions (e.g., converting alcohols to ketones or alkenes to dienes).
  • Catalyzes cycloadditions (e.g., Diels-Alder reactions) by activating double bonds.
• Chlorinating Agent:
  • Introduces chlorine atoms into organic molecules during synthesis.

(2) Polymer Chemistry

• Polymerization Inhibitor:
  • Prevents unwanted polymerization of monomers (e.g., styrene, acrylics) during storage or transportation.
• Crosslinking Agent:
  • Enhances the mechanical properties of polymers through chlorination or oxidation reactions.

(3) Herbicides and Pesticides

• Agricultural Chemicals:
  • Historically used as a herbicide (e.g., in rice paddies) to control weeds, though its use has declined due to environmental concerns.
  • Acts as a defoliant by disrupting plant metabolism.

(4) Laboratory Reagent

• Oxidation Reactions:
  • A common reagent in academic and industrial labs for selective oxidations in complex molecule synthesis.
• Analytical Chemistry:
  • Used in titrations or as a standard for redox reactions.

(5) Electrical Components

• Semiconductor Manufacturing:
  • Employed in certain etching or cleaning processes for microchips, though this use is niche.

3. Safety and Hazards

• Toxicity:
  • Highly Toxic: Causes severe skin, eye, and respiratory tract irritation. Inhalation or ingestion may lead to organ damage (liver, kidneys, lungs).
  • Carcinogenicity: Classified as a potential carcinogen (IARC: Not explicitly classified, but chlorinated quinones are suspected).
• Flammability:
  • Non-flammable but may decompose to release toxic fumes (e.g., HCl, phosgene) when heated or burned.
• Handling Precautions:
  • Use in a fume hood with full personal protective equipment (PPE): gloves, goggles, and a respirator.
  • Avoid contact with skin, eyes, and clothing.
• Regulatory Status:
  • Restricted in many countries for agricultural use due to environmental persistence and toxicity.
  • Listed under REACH (EU) for strict risk assessment.

4. Environmental Impact

• Persistence:
  • Resistant to biodegradation, leading to bioaccumulation in soil and water systems.
• Ecotoxicity:
  • Highly toxic to aquatic life (fish, algae, invertebrates); may disrupt ecosystems even at low concentrations.
• Transport and Fate:
  • Can volatilize into the atmosphere or leach into groundwater, posing long-term contamination risks.

Product Parameters

 

Packaging & Shipping

Liquid products	Drum of 5kg ,10 kg ,25 kg ,50 kg 200 kg ,250 kg . 1000 kg IBC drum. TANK with 20 tons ,25 tons .
Solid products	Bag of 1 kg ,2 kg ,5 kg ,25 kg ,500kg ,1000 kg . Drum of 25 kg and 50 kg.

Packaging can be customized according to customer requirements.

Company Profile

Qingdao Jinyu Chemical Co., LTD,which is located in Qingdao City, China, with registered capital of RMB 10 million, is a dynamic chemical import and export enterprise with customer demand as its own responsibility. The founder has been engaged in the chemical industry for more than 20 years. With professional technical and marketing personnel, diversified cooperative factories with synthetic technology and efficient logistics management, we provide services to customers all over the world. After years of hard work, we have selected a number of excellent chemical production cooperative enterprises in China. These enterprises have their own advantages in different chemical synthesis fields. They have passed the strict inspection of suppliers by many customers and formed a long-term and stable strategic partnership with customers. With our partners' excellent equipment, well-trained employees and mature technology, we also continue to provide customers with more products.

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