Molekula
2-Chlorobenzaldehyde
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2-Chlorobenzaldehyde is an aromatic aldehyde featuring a chlorine substituent on the benzene ring, commonly used as an intermediate in pharmaceuticals, agrochemicals, and fragrance synthesis. It serves as a key building block for dyes, pesticides, and fine chemicals due to its reactive aldehyde and chlorinated aromatic structure. This chemical has a CAS number of 89-98-5, with the molecular formula ClC6H4CHO and a molecular weight of 140.57. It is stored at ambient conditions and carries a **Danger** signal word under GHS classification. Molekula supplies 2-Chlorobenzaldehyde from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
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Specifications
| Property | Value |
|---|---|
| Appearance | Clear, colourless liquid |
| Assay | ≥99 % |
| Benzyl chloride | ≤ 0.4% |
| Benzyl dichloride | ≤ 0.35% |
| Benzyl trichloride | ≤ 0.3% |
| o-chlorobenzoic acid | ≤ 0.15% |
| Other Isomers | ≤ 0.3% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 97 °C |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Needles |
| Odour | Penetrating odor |
| Melting Point | 11.9 °C |
| Boiling Point | 212 °C |
| Density | 1.2483 g/cm³ at 20 °C |
| Water Solubility | Slightly soluble in water |
| Solubility (other solvents) | Soluble in ethanol, diethyl ether, acetone, benzene, carbon tetrachloride |
| Vapour Pressure | 0.04 kPa at 25 °C |
| Refractive Index | 1.5662 |
| log P (octanol/water) | 2.33 |
Source: PubChem CID 6996 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 23194529 |
| CAS Number | 89-98-5 |
| IUPAC Name | 2-chlorobenzaldehyde |
| EC Number | 201-956-3 |
| Molecular Formula | ClC6H4CHO |
| Molecular Weight | 140.57 |
| Exact Mass | 140.0029 |
| SMILES | C1=CC=C(C(=C1)C=O)Cl |
| InChIKey | FPYUJUBAXZAQNL-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H5ClO/c8-7-4-2-1-3-6(7)5-9/h1-5H |
| PubChem CID | 6996 |
| UN Number | UN3265 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29130040 |
| Tariff Code | 2913000090 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H303 May be harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P310 Immediately call a POISON CENTER or doctor/physician
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-Chloorbenzaldehyde
- 2-Chlorbenzaldehyd
- 2-Clorobenzaldeide
- Benzaldehyde, 2-chloro-
- Benzaldehyde, o-chloro-
- Chlorobenzaldehyde
- o-Chloorbenzaldehyde
- O-CHLOROBENZALDEHYDE
- o-Chlorobenzenecarboxaldehyde
- USAF M-7
Frequently asked questions
What is 2-Chlorobenzaldehyde commonly used for?
2-Chlorobenzaldehyde is primarily used as an intermediate in organic synthesis, including the production of pharmaceuticals, agrochemicals, and fragrances.
What is the chemical formula and molecular weight of 2-Chlorobenzaldehyde?
The chemical formula is **ClC₆H₄CHO**, and the molecular weight is **140.57 g/mol**.
How should 2-Chlorobenzaldehyde be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture, heat, and incompatible substances.
What purity grades are available for 2-Chlorobenzaldehyde?
Molekula supplies **technical grade (98%+)** and **analytical grade** for high-purity applications—confirm availability for your specific needs.
Can Molekula supply 2-Chlorobenzaldehyde in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25 kg drums, IBCs) for large-scale industrial or research requirements—contact us for pricing.
What documentation is provided with a 2-Chlorobenzaldehyde order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.