2,6-Dichlorobenzaldehyde
2,6-Dichlorobenzaldehyde (CAS: 83-38-5) is an organic compound with the linear formula Cl₂C₆H₃CHO and a molecular weight of 175.01 g/mol. This aromatic aldehyde serves as a versatile building block in organic synthesis. It is frequently employed in the preparation of various complex molecules and intermediates within the pharmaceutical and chemical industries.
- Synonyms
- Cl2C6H3CHO

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of more complex organic molecules. Its reactive aldehyde group allows for a variety of condensation and addition reactions.
Pharmaceutical Building Block
Serves as a crucial precursor in the development of active pharmaceutical ingredients (APIs). The dichlorinated phenyl ring offers specific structural properties for drug design.
Fine Chemical Manufacturing
Employed in the production of fine chemicals, contributing to the synthesis of specialised compounds for research and industrial applications.
| Molecular weight | 175.01 |
|---|---|
| Linear formula | Cl2C6H3CHO |
| Assay | ≥99.0% (T) |
| Melting point | 69-71 °C(lit.)69-71 °C |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 100 °C / 212 °F |
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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 2,6-Dichlorobenzaldehyde used for?
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2,6-Dichlorobenzaldehyde (CAS: 83-38-5) is primarily used as an intermediate and building block in organic synthesis, particularly in the pharmaceutical and fine chemical industries for the preparation of more complex molecules.
What are the CAS number and formula for 2,6-Dichlorobenzaldehyde?
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The CAS number for 2,6-Dichlorobenzaldehyde is 83-38-5, and its linear formula is Cl₂C₆H₃CHO.
What grade and purity does Tech Serve Solutions supply for 2,6-Dichlorobenzaldehyde?
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Tech Serve Solutions supplies 2,6-Dichlorobenzaldehyde with an assay of ≥99.0% (T). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 2,6-Dichlorobenzaldehyde be handled safely?
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2,6-Dichlorobenzaldehyde is classified as Dangerous (GHS05, Signal Word: Danger) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, must be used. Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing.
How is 2,6-Dichlorobenzaldehyde packed and exported?
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This chemical is shipped as UN 3261, Class 8, Packing Group II. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a quote or sample of 2,6-Dichlorobenzaldehyde?
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Please contact our sales department or use the online enquiry form to request a quote or sample of 2,6-Dichlorobenzaldehyde.
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