Isobutyl chloride

Isobutyl chloride

1-Chloro-2-methylpropane; Isobutyl chloride; 2-Methyl-1-chloropropane; Chloromethyl isopropane

CAS 513-36-0

Chemical Formula C₄H₉Cl

Molecular Weight 92.57 g/mol

Isobutyl chloride is an organic intermediate used in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals. It is also utilized in organic reactions for introducing iso-butyl groups into target compounds.

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Industrial Uses

1. Pharmaceuticals

  • Intermediate for Active Pharmaceutical Ingredients (APIs): Iso-butyl chloride is used to prepare iso-butyl derivatives of amines and other functionalized compounds, which are intermediates in the production of analgesics, antihistamines, and anti-inflammatories. Its branched-chain structure offers unique steric properties to influence drug activity.
  • Precursor for Quaternary Ammonium Salts: It reacts with tertiary amines to form quaternary ammonium compounds, which are used in antiseptic drugs and disinfectants.

2. Agrochemicals

  • Synthesis of Herbicides and Pesticides: Iso-butyl chloride is employed in the creation of alkylated agrochemical intermediates, particularly in substituted ureas, triazines, and phenoxy herbicides. The iso-butyl group enhances lipophilicity and target specificity.
  • Enhancing Bioavailability of Actives: The iso-butyl chain improves the absorption and environmental stability of pesticide molecules, aiding performance in field applications.

3. Performance Chemicals

  • Building Block for Organic Synthesis: Used in nucleophilic substitution reactions to introduce an iso-butyl group into nucleophilic molecules (e.g., alcohols, thiols, amines), which is crucial in perfume ingredients, fuel additives, and flavoring agents.
  • Grignard Reagent Formation: Acts as a precursor for iso-butyl magnesium chloride, a Grignard reagent used to form C–C bonds in fine chemical and materials synthesis.
  • SN1 and SN2 Mechanism Studies: Serves as a model compound in studying substitution reaction mechanisms, particularly comparing primary vs. secondary vs. tertiary halide behavior.
  • Synthesis of Sterically Hindered Molecules: Used in experimental synthesis to evaluate how branching affects reactivity, especially in catalysis and organic reaction pathways.

4. Polymers & Resins

  • Chain Terminator or Modifier in Polymer Synthesis: Used in the synthesis of specialty polymers where branching or steric hindrance is required. Iso-butyl groups can modify polymer flexibility, glass transition temperature, or crosslinking behavior.
  • Additive Synthesis for Plastics: Used to create iso-butyl plasticizers or side-chain additives that enhance flexibility, heat resistance, or UV stability of resins.

Specifications

Assay ≥ 98%
Appearance Colorless liquid
Odor Sharp, chloroform-like odor
Boiling Point 68–69 °C
Melting Point -115 °C
Density 0.866 g/cm³ at 20 °C
Solubility Insoluble in water; soluble in alcohol and ether
Viscosity Low viscosity (approx. 0.45 mPa·s at 20 °C)
Flash Point -11 °C (closed cup)

Hazard Symbols

Flammables
Corrosives
Irritants/Sensitisers/Other Hazards

FAQs

1. What is the current price of Isobutyl chloride in India?
The price of  Isobutyl chloride can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.630 100 6301 directly for a customized quote tailored to your needs.

2. Where can I buy Isobutyl chloride in India?
You can purchase Isobutyl chloride from MULTICHEM, a leading exporter with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments global markets. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for Isobutyl chloride?
Our minimum order quantity (MOQ) for Isobutyl chloride is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of Isobutyl chloride supplied by Multichem?                   
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.