Molekula
4-Chlorobenzoic acid
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
4-Chlorobenzoic acid is an aromatic carboxylic acid widely used as an intermediate in pharmaceuticals, agrochemicals, and dyes, as well as a reagent in organic synthesis. This white crystalline solid has a CAS number of 74-11-3, a molecular formula of ClC6H4COOH, and a molecular weight of 156.57 g/mol. It is stable under ambient storage conditions but requires careful handling due to its warning-level hazards. Molekula supplies 4-Chlorobenzoic acid 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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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.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Melting Point | 239 - 241 Deg C |
| Water | 0.5% max |
| Assay | 99% min |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 238 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 243 °C |
| Water Solubility | 77 mg/L at 25 °C |
| Solubility (other solvents) | Insoluble in benzene, carbon tetrachloride; very soluble in ethanol; slightly soluble in ethyl ether, chloroform |
| Vapour Pressure | 0.3 Pa at 25 °C |
| pKa | pKa = 3.98 (at 25 °C) |
| log P (octanol/water) | 2.65 |
Source: PubChem CID 6318 (DrugBank, HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 89968253 |
| CAS Number | 74-11-3 |
| IUPAC Name | 4-chlorobenzoic acid |
| EC Number | 200-805-9 |
| Molecular Formula | ClC6H4COOH |
| Molecular Weight | 156.57 |
| Exact Mass | 155.9978 |
| SMILES | C1=CC(=CC=C1C(=O)O)Cl |
| InChIKey | XRHGYUZYPHTUJZ-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H5ClO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10) |
| PubChem CID | 6318 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2916.39.7900 |
| Tariff Code | 2916399090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- 4-chlorobenzoic acid-alpha-13c
- Acido p-clorobenzoico
- Benzoic acid, 4-chloro-
- Benzoic acid, p-chloro-
- Chlorodracylic acid
- Mycosid
- p-Carboxychlorobenzene
- p-Chlorbenzoic acid
- P-CHLOROBENZOIC ACID
- para-Chlorobenzoic acid
Frequently asked questions
What is 4-Chlorobenzoic acid commonly used for?
4-Chlorobenzoic acid is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and dyes, as well as in the production of plasticizers and UV stabilizers.
What is the chemical formula and molecular weight of 4-Chlorobenzoic acid?
The chemical formula is **ClC₆H₄COOH** and the molecular weight is **156.57 g/mol**.
How should 4-Chlorobenzoic acid be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture, heat, and incompatible substances.
What grades of 4-Chlorobenzoic acid does Molekula supply?
Molekula supplies **technical grade** and **pharmaceutical/analytical grade** (if applicable for your application).
Can Molekula supply 4-Chlorobenzoic acid in bulk quantities?
Yes, Molekula can supply **bulk quantities** (minimum order quantities may apply—please inquire for specifics).
What documentation comes with an order of 4-Chlorobenzoic acid?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **packing list** 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.