Products Categories
| CAS No.: | 118-91-2 |
|---|---|
| Name: | o-Chlorobenzoic acid |
| Molecular Structure: | |
|
|
|
| Formula: | C7H5ClO2 |
| Molecular Weight: | 156.569 |
| Synonyms: | 2-CBA;o-Chlorobenzoic acid;Benzoic acid, 2-chloro-;Benzoic acid, o-chloro-;Kyselina o-chlorbenzoova;O-chloro-benzoic acid;2 - Chloro Benzoic Acid;O-Chloro benzoic acid;2-chloro benzoic acid;2 Chloro Benzoic Acid;Ortho chlorobenzoic acid;Ortho-chloro benzoic acid; |
| EINECS: | 204-285-4 |
| Density: | 1.544 g/cm3 |
| Melting Point: | 139-143 °C |
| Boiling Point: | 275.7 °C at 760 mmHg |
| Flash Point: | 120.5 °C |
| Solubility: | soluble in hot water |
| Appearance: | white crystals or powder |
| Hazard Symbols: |
Xi
|
| Risk Codes: | 36-36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 37.30000 |
| LogP: | 2.03820 |

| Conditions | Yield |
|---|---|
| With sodium perborate In acetic acid for 1.5h; steam bath; | 100% |
| With sodium chlorite; dimethyl sulfoxide In water; acetonitrile at 10℃; for 1h; | 98% |
| With selenium(IV) oxide; dihydrogen peroxide In tetrahydrofuran for 9h; Heating; | 97% |

| Conditions | Yield |
|---|---|
| With sodium; diphenyldisulfane In 1-methyl-pyrrolidin-2-one at 90℃; for 0.25h; | 100% |
| With iodine; aluminium In acetonitrile at 80℃; for 18h; | 98% |
| With potassium hydroxide In toluene at 150℃; for 0.166667h; microwave irradiation; | 97% |

2-Chlorobenzyl alcohol


ortho-chlorobenzoic acid

| Conditions | Yield |
|---|---|
| With NH-pyrazole; sodium hydride In tetrahydrofuran for 20h; Ambient temperature; | 100% |
| With Oxone; potassium bromide In water; acetonitrile at 20℃; for 24h; Reagent/catalyst; Solvent; | 99% |
| With sodium hydroxide; sodium periodate; trans-Na6 In water for 1.5h; | 96% |

2-chlorobenzaldehyde N-[(2-chlorophenyl)methylidene]hydrazone


ortho-chlorobenzoic acid

| Conditions | Yield |
|---|---|
| With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 140h; Heating; | 98% |
| With [bis(acetoxy)iodo]benzene In tetrahydrofuran at 20℃; for 4h; Green chemistry; | 76% |

N’-(2-chlorobenzylidene)-4-methylbenzenesulfonohydrazide


ortho-chlorobenzoic acid

| Conditions | Yield |
|---|---|
| With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 85h; Heating; | 98% |

1-(2-chlorophenyl)-4,4,4-trifluorobutane-1,3-dione


ortho-chlorobenzoic acid

| Conditions | Yield |
|---|---|
| With oxygen; sodium hydrogencarbonate In acetonitrile for 4h; Molecular sieve; Irradiation; | 98% |

| Conditions | Yield |
|---|---|
| With potassium hydroxide In toluene at 150℃; for 0.166667h; microwave irradiation; | A 2% B 97% |
| With phosphate buffer at 30℃; for 6.5h; rhodococcus rhodocrous AJ270, pH 7.0; | A 94% B 4% |
| With potassium phosphate buffer at 30℃; for 6.5h; Rhodococcus sp. AJ270 cells; | A 94.1% B 4.4% |
| With potassium hydroxide; cetyltrimethylammonim bromide In toluene at 100℃; for 0.166667h; microwave irradiation; | A 45% B 5% |

2-methylchlorobenzene

A

2-chloro-benzaldehyde

B

1-bromomethyl-2-chlorobenzene

C

ortho-chlorobenzoic acid

| Conditions | Yield |
|---|---|
| With oxygen; cobalt(II) acetate; sodium bromide In acetic acid at 95℃; for 0.666667h; Kinetics; Mechanism; Rate constant; other time; other temperature; various concentrations of Co(OAc)2 and NaBr; | A n/a B n/a C 96% |
| With oxygen; cobalt(II) acetate; sodium bromide In acetic acid at 95℃; for 0.666667h; | A n/a B n/a C 95% |


methyl 3-(2-chlorophenyl)-3-oxopropanedithioate


ortho-chlorobenzoic acid

| Conditions | Yield |
|---|---|
| With sodium hydroxide In water at 100℃; for 8.5h; Reflux; chemoselective reaction; | 96% |

| Conditions | Yield |
|---|---|
| With benzene-1,2-dicarboxylic acid for 0.833333h; microwave-irradiation; | 94% |
| With phosphate buffer at 30℃; for 168h; rhodococcus rhodocrous AJ270, pH 7.0; | 80% |
| With potassium phosphate buffer at 30℃; for 168h; Rhodococcus sp. AJ270 cells; | 79.9% |
| With sulfuric acid |
.jpg)
IUPAC Name: 2-Chlorobenzoic acid
Empirical Formula: C7H5ClO2
Molecular Weight: 156.5664
Canonical SMILES: C1=CC=C(C(=C1)C(=O)O)Cl
InChI: InChI=1S/C7H5ClO2/c8-6-4-2-1-3-5(6)7(9)10/h1-4H,(H,9,10)
InChIKey: IKCLCGXPQILATA-UHFFFAOYSA-N
EINECS: 204-285-4
Product Categories: Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; Organics; Highly Purified Reagents; Other Categories; Zone Refined Products; C7; Carbonyl Compounds; Carboxylic Acids; Alpha sort; C; CAlphabetic; CH; Pesticides&Metabolites
Water Solubility: soluble in hot water
Stability: Stable, combustible. Incompatible with strong bases, strong oxidizing agents.
Index of Refraction: 1.583
Molar Refractivity: 38.07 cm3
Molar Volume: 113.9 cm3
Surface Tension: 51.5 dyne/cm
Density: 1.374 g/cm3
Flash Point: 120.5 °C
Enthalpy of Vaporization: 54.31 kJ/mol
Boiling Point: 275.7 °C at 760 mmHg
Vapour Pressure: 0.00242 mmHg at 25 °C
Appearance: white crystals or powder
Melting Point: 138-140 °C(lit.)
Classification Code of 2-Chlorobenzoic acid (CAS NO.118-91-2): Skin / Eye Irritant
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD | oral | > 500mg/kg (500mg/kg) | National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 18, 1953. | |
| rat | LD50 | intraperitoneal | 2300mg/kg (2300mg/kg) | Bollettino Chimico Farmaceutico. Vol. 112, Pg. 53, 1973. |
Reported in EPA TSCA Inventory.
Moderately toxic by intraperitoneal route. Mildly toxic by ingestion. An eye and skin irritant. When heated to decomposition it emits toxic fumes of Cl−.
Hazard Codes:
Xi
Risk Statements: 36-36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
R36:Irritating to eyes.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 2
RTECS: DG4976000
Hazard Note: Irritant
2-Chlorobenzoic acid (CAS NO.118-91-2), its Synonyms are Benzoic acid, 2-chloro- ; Benzoic acid, o-chloro- ; Kyselina o-chlorbenzoova ; o-Chlorobenzoic acid .