1-Iodo-2,2-dimethylpropane
1-Iodo-2,2-dimethylpropane (CAS: 15501-33-4) is a halogenated hydrocarbon with the molecular formula C5H11I and a molecular weight of 198.05 g/mol. This organic building block is characterised by its neopentyl structure. It serves as a valuable intermediate in organic synthesis, particularly for introducing the neopentyl group into various molecules. Its applications span chemical research and development.
- IUPAC
- 2,2-Dimethyl-1-iodopropane,Neopentyl iodide
- Synonyms
- (CH3)3CCH2I2,2-Dimethyl-1-iodopropaneNeopentyl iodide

Organic Synthesis Intermediate
1-Iodo-2,2-dimethylpropane is utilised as a building block in complex organic synthesis pathways. It enables the introduction of the sterically hindered neopentyl moiety into target molecules, facilitating the construction of novel chemical entities.
Research and Development
This compound finds application in academic and industrial research laboratories for exploring new synthetic methodologies and developing novel materials. Its reactivity allows for various functional group transformations.
Preparation of Organometallic Reagents
It can be employed in the preparation of specific organometallic reagents, which are crucial in catalysis and advanced organic transformations. The iodide is a good leaving group for such reactions.
| Molecular weight | 198.05 |
|---|---|
| Linear formula | (CH3)3CCH2I |
| Assay | ≥95% (GC) |
| Boiling point | 70-71 °C/100 mmHg(lit.) |
| Density | 1.494 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.489(lit.)n20/D 1.489 |
| Contains / stabiliser | silver wool as stabilizer |


Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 33 °C / 91.4 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26-36 |
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 1-Iodo-2-dimethylpropane used for?
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1-Iodo-2,2-dimethylpropane is primarily used as an intermediate in organic synthesis for introducing the neopentyl group and in chemical research and development.
What are the CAS number and formula for 1-Iodo-2-dimethylpropane?
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The CAS number for 1-Iodo-2,2-dimethylpropane is 15501-33-4, and its molecular formula is C5H11I. The linear formula is (CH3)3CCH2I.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Iodo-2,2-dimethylpropane with an assay of ≥95% (GC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 1-Iodo-2-dimethylpropane be handled safely?
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1-Iodo-2,2-dimethylpropane is a flammable liquid and vapour (H226) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and handle in a well-ventilated area away from ignition sources.
How is 1-Iodo-2-dimethylpropane packed, shipped, and exported?
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Tech Serve Solutions ensures that all products are packed and shipped in compliance with international regulations for hazardous materials. We are experienced global exporters of fine chemicals and laboratory reagents.
How can I request a sample or a quote for 1-Iodo-2-dimethylpropane?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number (15501-33-4).
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