Chloroacetaldehyde solution
Chloroacetaldehyde solution (CAS 107-20-0), with the linear formula ClCH₂CHO and a molecular weight of 78.50 g/mol, is supplied by Tech Serve Solutions as a technical grade aqueous solution (~50 wt. %). This hazardous and corrosive compound serves as a versatile building block in organic synthesis. Its reactivity makes it valuable for introducing the formyl group or participating in cyclisation reactions for the preparation of various chemical intermediates.

Organic Synthesis Intermediate
Chloroacetaldehyde solution is a key reagent in the synthesis of heterocyclic compounds and other complex organic molecules. It is used as a building block for pharmaceuticals and agrochemicals due to its reactive aldehyde and alkyl halide functionalities.
Crosslinking Agent
The difunctional nature of chloroacetaldehyde allows it to act as a crosslinking agent in certain polymerisation processes. It can react with nucleophilic groups in polymer chains, leading to improved material properties.
Derivatization Reagent
In analytical chemistry, chloroacetaldehyde can be employed for derivatizing specific functional groups to enhance their detectability or separability by techniques like chromatography.
| Molecular weight | 78.50 |
|---|---|
| Linear formula | ClCH2CHO |
| Grade | technical |
| Density | 1.236 g/mL at 25 °C |
| Refractive index | n20/D 1.4036 |
| Concentration | ~50 wt. % in H2O |




Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H314Causes severe skin burns and eye damage
- H330Fatal if inhaled
- H335May cause respiratory irritation
- H351Suspected of causing cancer
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 62 °C / 143.6 °F |
| Transport (UN / ADR) | UN 2232 6.1 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+,N |
| Risk statements (R) | 24/25-26-35-40-50 |
| Safety statements (S) | 26-28-36/37/39-45-61 |
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 Chloroacetaldehyde solution used for?
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Chloroacetaldehyde solution is primarily used as an intermediate and building block in organic synthesis, particularly for the preparation of pharmaceuticals, agrochemicals, and heterocyclic compounds. It can also function as a crosslinking agent and derivatization reagent.
What is the CAS number and chemical formula for Chloroacetaldehyde solution?
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The CAS number is 107-20-0 and the linear formula is ClCH₂CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chloroacetaldehyde solution at a technical grade, with a concentration of approximately 50 wt. % in water. This product is not represented as USP, BP, or EP grade.
What are the main safety concerns when handling Chloroacetaldehyde solution?
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Chloroacetaldehyde solution is dangerous. It is toxic if swallowed, in contact with skin, or if inhaled, and causes severe skin burns and eye damage. It may also cause respiratory irritation and is suspected of causing cancer. Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be used.
How is Chloroacetaldehyde solution packed, shipped, and exported?
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Chloroacetaldehyde solution is packed in compliance with UN 2232, Class 6.1 regulations, ensuring safe handling and transportation. TSS can facilitate global export of this chemical.
How can I request a quote or sample?
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To request a quote or a sample of Chloroacetaldehyde solution, please contact our sales team through the website or by phone, providing your specific requirements.
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