2-Chlorobenzoic acid
- CAS No.
- 118-91-2
- Chemical Name:
- 2-Chlorobenzoic acid
- Synonyms
- OCBA;O-CHLOROBENZOIC ACID;2-CBA;2-chlorobenzoate;NSC 32737;NSC 15042;2-Chlorobenzoi;2-chlorobenzoic;orobenzoic acid;AKOS BBS-00003732
- CBNumber:
- CB6463683
- Molecular Formula:
- C7H5ClO2
- Molecular Weight:
- 156.57
- MOL File:
- 118-91-2.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/11/1 14:03:00
| Melting point | 138-140 °C (lit.) |
|---|---|
| Boiling point | 285 °C |
| Density | 1.544 |
| vapor pressure | 0.001 hPa (25 °C) |
| refractive index | 1.5812 (estimate) |
| Flash point | 173 °C |
| storage temp. | Store below +30°C. |
| solubility | cold water: soluble900 part |
| form | Powder |
| pka | 2.92(at 25℃) |
| color | White to off-white |
| PH | 3.4 (0.2g/l, H2O, 20℃) |
| Water Solubility | soluble in hot water |
| Merck | 14,2124 |
| BRN | 907340 |
| Stability | Stable, combustible. Incompatible with strong bases, strong oxidizing agents. |
| InChIKey | IKCLCGXPQILATA-UHFFFAOYSA-N |
| CAS DataBase Reference | 118-91-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzoic acid, 2-chloro-(118-91-2) |
| EPA Substance Registry System | o-Chlorobenzoic acid (118-91-2) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319 | |||||||||
| Precautionary statements | P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36-36/37/38 | |||||||||
| Safety Statements | 26-37/39 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | DG4976000 | |||||||||
| Autoignition Temperature | 530 °C | |||||||||
| Hazard Note | Irritant | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 29163900 | |||||||||
| Toxicity | LD50 orally in Rabbit: 2465 mg/kg | |||||||||
| NFPA 704 |
|
2-Chlorobenzoic acid price More Price(16)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 135577 | 2-Chlorobenzoic acid 98% | 118-91-2 | 5G | ₹2067.58 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 135577 | 2-Chlorobenzoic acid 98% | 118-91-2 | 100G | ₹2089.23 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 135577 | 2-Chlorobenzoic acid 98% | 118-91-2 | 500G | ₹3561.43 | 2022-06-14 | Buy |
| TCI Chemicals (India) | C0726 | 2-Chlorobenzoic Acid Zone Refined (number of passes:20) | 118-91-2 | 1SAMPLE | ₹12000 | 2022-05-26 | Buy |
| ALFA India | ALF-A10832-30 | 2-Chlorobenzoic acid, 98+% | 118-91-2 | 250g | ₹1815 | 2022-05-26 | Buy |
2-Chlorobenzoic acid Chemical Properties,Uses,Production
Description
2-Chlorobenzoic acid is an organic compound with the formula ClC6H4CO2H. It is one of three isomeric chlorobenzoic acids, the one that is the strongest acid. This white solid is used as a precursor to a variety of drugs, food additives, and dyes.
Chemical Properties
2-chlorobenzoic acid is a white to pale cream crystals or powder, It is insoluble in water, 95% ethanol solution and toluene solution, soluble in methanol, anhydrous ethanol, ether, acetone and benzene.It is the intermediate of fungicide flubenthrinol, insecticide mirex and bollenuron, and acaricide tetrabenazine.
Uses
2-Chlorobenzoic acid was used to study the degradation of 2-bromobenzoic acid by Pseudomonas aeruginosa.
Preparation
It is prepared by the oxidation of 2-chlorotoluene. The laboratory scale reaction employs potassium permanganate. Alternatively it arises by the hydrolysis of α,α,α-trichloro-2-toluene.
The chloride is readily replaced by ammonia to 2-aminobenzoic acid. At elevated temperature it decarboxylates.
Definition
ChEBI: 2-chlorobenzoic acid is a monochlorobenzoic acid having the chloro group at the 2-position. It has a role as a plant hormone and a plant metabolite. It is a monochlorobenzoic acid and a 2-halobenzoic acid. It is a conjugate acid of a 2-chlorobenzoate.
General Description
Crystals or fine fluffy white powder.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
2-Chlorobenzoic acid is incompatible with strong oxidizing agents and strong bases.
Fire Hazard
Flash point data for 2-Chlorobenzoic acid are not available; however, 2-Chlorobenzoic acid is probably combustible.
Purification Methods
Crystallise the acid successively from glacial acetic acid, aqueous EtOH, and pet ether (b 60-80o). Other solvents include hot water or toluene (ca 4mL/g). The crude material can be initially purified by dissolving 30g in 100mL of hot water containing 10g of Na2CO3, boiling with 5g of charcoal for 15minutes, then filtering and adding 31mL of 1:1 aqueous HCl. The precipitate is washed with a little water and dried at 100o. [Beilstein 9 IV 956.]
2-Chlorobenzoic acid Preparation Products And Raw materials
Raw materials
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