Chloromethyl pivalate
Chloromethyl pivalate (CAS 18997-19-8), with the linear formula (CH3)3CCOOCH2Cl and a molecular weight of 150.60, is a versatile organic building block. This ester, also known as pivaloyloxymethyl chloride, is primarily utilised in chemical synthesis. Its specific reactivity makes it a valuable intermediate in the preparation of more complex organic molecules across various research and industrial applications.
- IUPAC
- POM-Cl,Pivaloyloxymethyl chloride
- Synonyms
- Pivaloyloxymethyl chloridePOM-Cl

Organic Synthesis Intermediate
Chloromethyl pivalate serves as a key intermediate in organic synthesis, facilitating the introduction of the pivaloyloxymethyl group into target molecules. This functionality is useful in protecting group strategies or as a precursor for further chemical transformations.
Pharmaceutical Research
The compound finds application in the development of novel pharmaceutical agents. Its structure allows for modification and incorporation into potential drug candidates during the research and development phases.
Fine Chemical Manufacturing
As a fine chemical, it is employed in the production of specialized chemicals. Its defined purity and reactivity profile make it suitable for multi-step synthesis processes within the fine chemical industry.
| Molecular weight | 150.60 |
|---|---|
| Linear formula | (CH3)3CCOOCH2Cl |
| Assay | 97% |
| Grade | purum |
| Boiling point | 146-148 °C(lit.) |
| Density | 1.045 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.417(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- 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 | 40 °C / 104 °F |
| Transport (UN / ADR) | UN 3272 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-20/21/22-36/37/38 |
| Safety statements (S) | 16-26-36 |
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 Chloromethyl pivalate used for?
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Chloromethyl pivalate is primarily used as a versatile intermediate in organic synthesis and in pharmaceutical research and fine chemical manufacturing.
What is the CAS number and formula for Chloromethyl pivalate?
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The CAS number for Chloromethyl pivalate is 18997-19-8, and its linear formula is (CH3)3CCOOCH2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chloromethyl pivalate at a grade of 'purum' with an assay of 97%.
What are the safety and handling considerations for Chloromethyl pivalate?
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Chloromethyl pivalate is a flammable liquid and vapour (H226) and is harmful if swallowed (H302), in contact with skin (H312), or if inhaled (H332). It also causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, should be used. Store in a well-ventilated place and keep away from heat, hot surfaces, sparks, open flames, and other ignition sources.
How is Chloromethyl pivalate packed, shipped, and exported?
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Chloromethyl pivalate is packed according to industry standards to ensure safe transit. We offer global export services for this chemical.
How can I request a sample or quote for Chloromethyl pivalate?
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To request a sample or a quote for Chloromethyl pivalate, please contact our sales team through the website or by phone.
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