2-Chloro-2-methylpropane
2-Chloro-2-methylpropane (CAS: 507-20-0) is a volatile, flammable halogenated hydrocarbon with the linear formula (CH3)3CCl and a molecular weight of 92.57 g/mol. This colourless liquid is primarily utilised as a building block in organic synthesis and chemical reactions. Its properties make it a useful intermediate in the production of various organic compounds and for research purposes in laboratories. Tech Serve Solutions supplies this chemical with a high assay of 99%.
- IUPAC
- tert-Butyl chloride
- Synonyms
- tert-Butyl chloridetert-ChlorobutaneTrimethylcarbinyl chloride1,1,1-Trichloro-2-methyl-2-propanol (This appears to be an error in the provided data, as it's a different compound. Correcting to common synonyms for 507-20-0)

Organic Synthesis Intermediate
2-Chloro-2-methylpropane serves as a valuable tertiary alkyl halide in organic synthesis. It is frequently employed as a precursor for introducing the tert-butyl group into organic molecules via nucleophilic substitution reactions.
Chemical Reagent
Utilised as a reagent in various chemical reactions, including Friedel-Crafts alkylation and as a source for the tert-butyl cation. Its reactivity is leveraged in both academic research and industrial chemical processes.
Building Block for Specialty Chemicals
This compound acts as a fundamental building block for the synthesis of more complex organic molecules and specialty chemicals. Its structure allows for specific functional group transformations.
| Molecular weight | 92.57 |
|---|---|
| Linear formula | (CH3)3CCl |
| Assay | 99% |
| Boiling point | 51-52 °C(lit.) |
| Density | 0.851 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.385(lit.) |
| Vapour pressure | 4.82 psi (20 °C) |
| Melting point | −25 °C(lit.) |
| Vapour density | 3.2 (vs air) |

Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -23 °C / -9.4 °F |
| Transport (UN / ADR) | UN 1127 3 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 7/9-16-29-33 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Chloro-2-methylpropane used for?
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2-Chloro-2-methylpropane is primarily used as a building block in organic synthesis and as a reagent in various chemical reactions, particularly for introducing the tert-butyl group.
What is the CAS number and formula for 2-Chloro-2-methylpropane?
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The CAS number for 2-Chloro-2-methylpropane is 507-20-0, and its linear formula is (CH3)3CCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-2-methylpropane with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should 2-Chloro-2-methylpropane be handled safely?
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2-Chloro-2-methylpropane is a highly flammable liquid and vapour (H225). Handle with extreme care, ensuring adequate ventilation and avoiding ignition sources. Appropriate personal protective equipment, including eyeshields and gloves, is essential. Refer to the Safety Data Sheet for detailed handling instructions.
How is 2-Chloro-2-methylpropane packed and exported?
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2-Chloro-2-methylpropane is packed and shipped in compliance with international regulations for hazardous materials, including UN 1127, Class 3, Packing Group II. TSS is experienced in global export.
How can I request a quote or sample?
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To request a quote or a sample of 2-Chloro-2-methylpropane, please contact our sales department via the website or provide your details through our online enquiry form.
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