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2,4-Dichlorobenzoic acid structure

2,4-Dichlorobenzoic acid

  • CAS:50-84-0
  • MW:191.01146
  • MF:C7H4Cl2O2
White to slightly yellowish powder.
 
1. Names and Identifiers
1.1 Name
2,4-Dichlorobenzoic acid
1.2 Synonyms
2,4-Dichlolrobenzoic Acid; 2,4-Dichlorobenzoate; 2,4-Dichlorobenzoic; 2,4-Dichlorobenzoic acid - methyl 2-(trifluoromethyl)benzoate (1:1); 2,4-Dichlorobenzyl alcohol EP Impurity E; 4135889; Benzoic acid, 2,4-dichloro-; Benzoic acid, 2,4-dichloro-, ion(1-); Furosemide EP Impurity E; Furosemide Impurity 5(Furosemide EP Impurity E); NSC 578; TETRASUL PESTANAL (2,4,4',5-TETRA- CHLOR;
1.3 CAS No.
50-84-0
1.4 CID
5787
1.5 EINECS
200-067-8
1.6 Molecular Formula
C7H4Cl2O2
1.7 Inchi
InChI=1S/C7H4Cl2O2/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3H,(H,10,11)
1.8 InChkey
ATCRIUVQKHMXSH-UHFFFAOYSA-N
1.9 Canonical Smiles
C1=CC(=C(C=C1Cl)Cl)C(=O)O
1.10 Isomers Smiles
C1=CC(=C(C=C1Cl)Cl)C(=O)O
2. Properties
2.1 Solubility
ethanol: soluble1g/10 mL, clear, colorless
2.2 Appearance
Yellowish Powder
2.3 Storage
Ambient temperatures.
2.4 Chemical Properties
white powder
2.5 Color/Form
White to almost white
2.6 PH
2.8 (0.36g/l, H2O, 15℃)
2.7 Water Solubility
0.36 g/L (15 oC)
2.8 Stability
Stable. Incompatible with strong oxidizing agents.
3. Use and Manufacturing
3.1 Definition
ChEBI: A chlorobenzoic acid that is benzoic acid in which the ring hydrogens at positions 2 and 4 are substituted by chloro groups.
3.2 Description
2,4-Dichlorobenzoic acid (CAS 50-84-0) is a white crystalline solid with a molecular formula of C7H4Cl2O2. This chemical is sparingly soluble in water, with a solubility of approximately 0.36 g/L at 15°C. It is more soluble in organic solvents such as ethanol and acetone.

2,4-Dichlorobenzoic acid is a derivative of benzoic acid and contains two chlorine atoms attached to the benzene ring. It has a molecular weight of 191.01 g/mol. The compound has a white crystalline appearance and may form needle-like crystals. It is odorless and has a slightly acidic taste.

Chemically, 2,4-Dichlorobenzoic acid is stable under normal conditions. It does not undergo significant decomposition or react with air or water. However, it may react with strong bases or reducing agents. It is important to handle this chemical with care and avoid contact with incompatible substances.

Applicable fields
Herbicide: 2,4-Dichlorobenzoic acid is commonly used as a herbicide to control broadleaf weeds in various crops. Its mechanism of action involves disrupting the growth and development of plants by interfering with the production of certain plant hormones.

Research and Laboratory: This chemical is also utilized in research and laboratory settings as a reagent or intermediate in the synthesis of other compounds. It can be used in organic synthesis reactions or as a starting material for the preparation of more complex molecules.

Storage Conditions
Store in a cool, dry place.
3.3 General Description
White to slightly yellowish powder.
3.4 Produe Method
50-84-0 preparation
3.5 Usage
2,4-Dichlorobenzoic Acid is a di-halogenated benzoic acid derivative and an intermediate in the synthesis of spirodiclofen (S682990), a tetronic acid acaricide fungicide used in controlling red mites.
4. Safety and Handling
4.1 Fire Hazard
Flash point data for 2,4-Dichlorobenzoic acid are not available; however, 2,4-Dichlorobenzoic acid is probably combustible.
4.2 Report

The 2,4-Dichlorobenzoic acid, with the?CAS registry number 50-84-0, is a kind of white to slightly yellowish powder. This chemical is soluble in ethanol, diethyl ether, benzene, acetone, chloroform while insoluble in water and normal heptane and it is stable chemically while incompatible with strong oxidizing agents. In addition, its product categories are including Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; Organic acids; C7; Carbonyl Compounds; Carboxylic Acids; Alpha sort; D; DAlphabetic; DIA - DIC; Pesticides&Metabolites.

The physical properties of this chemical are as follows: (1)ACD/LogP: 2.81; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.15; (4)ACD/LogD (pH 7.4): -0.33; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1.79; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 26.3; (13)Index of Refraction: 1.598; (14)Molar Refractivity: 42.97 cm3; (15)Molar Volume: 125.8 cm3; (16)Polarizability: 17.03×10-24 cm3; (17)Surface Tension: 53.9 dyne/cm; (18)Density: 1.517 g/cm3; (19)Flash Point: 141 °C; (20)Enthalpy of Vaporization: 58.1 kJ/mol; (21)Boiling Point: 309.5 °C at 760 mmHg; (22)Vapour Pressure: 0.000275 mmHg at 25°C; (23)Exact Mass: 189.958835; (24)MonoIsotopic Mass: 189.958835; (25)Topological Polar Surface Area: 37.3; (26)Heavy Atom Count: 11; (27)Complexity: 161.

Use of this chemical: 2,4-dichloro-benzoic acid could react to produce 2-amino-4-chloro-benzoic acid. This?reaction could?happen in the presence of the reagent of copper powder & ammonia, and it needs the?reaction temperature of 120 ℃.

Production method of this chemical: 2,4-dichloro-benzaldehyde could react to produce 2,4-dichloro-benzoic acid. This reaction could happen in the presence of the reagent of sodium perborate tetrahydrate and the solvent of?acetic acid, and it needs the reaction temperature of 45 - 50 ℃ with the yield of 87 %.

As to its usage, it is widely applied in many ways. It could be used as the intermediate of bacteriacide pyrifenox and also the intermediate of phytocide pyrazoxyfen; It could also be the intermediate of pharmaceutics, dye and pesticide.

When you are dealing with this chemical, you should be much more cautious. For one thing, it is irritant to eyes, respiratory system and skin, which also may cause inflammation to the skin or other mucous membranes. For another thing, it is harmful which may cause damage to health. If swallowed, it will be dangerous. Therefore, you should wear suitable protective clothing, gloves and eye/face protection. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice, and do remember not to breathe dust.

In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: C1=CC(=C(C=C1Cl)Cl)C(=O)O
(2)InChI: InChI=1S/C7H4Cl2O2/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3H,(H,10,11)
(3)InChIKey: ATCRIUVQKHMXSH-UHFFFAOYSA-N?

Below are the toxicity information of this chemical:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 830mg/kg (830mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Shokuhin Eiseigaku Zasshi. Food Hygiene Journal. Vol. 20, Pg. 332, 1979.
mouse LD50 subcutaneous 1200mg/kg (1200mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: MUSCLE WEAKNESS

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Biochemical Pharmacology. Vol. 13, Pg. 1538, 1964.
?

4.3 Safety
Hazard Codes:Xn,Xi
Risk Statements:22-36/37/38
22:Harmful if swallowed
36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements:26-36-37/39-22
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:Wear suitable protective clothing
37/39:Wear suitable protective clothing, gloves and eye/face protection
22:Do not breathe dust
WGK Germany:3
Hazard Note:Irritant
HS Code:29163900
4.4 Specification

The 2,4-Dichlorobenzoic acid, with the?CAS registry number 50-84-0, is a kind of white to slightly yellowish powder. This chemical is soluble in ethanol, diethyl ether, benzene, acetone, chloroform while insoluble in water and normal heptane and it is stable chemically while incompatible with strong oxidizing agents. In addition, its product categories are including Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; Organic acids; C7; Carbonyl Compounds; Carboxylic Acids; Alpha sort; D; DAlphabetic; DIA - DIC; Pesticides&Metabolites.

The physical properties of this chemical are as follows: (1)ACD/LogP: 2.81; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.15; (4)ACD/LogD (pH 7.4): -0.33; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1.79; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 26.3; (13)Index of Refraction: 1.598; (14)Molar Refractivity: 42.97 cm3; (15)Molar Volume: 125.8 cm3; (16)Polarizability: 17.03×10-24 cm3; (17)Surface Tension: 53.9 dyne/cm; (18)Density: 1.517 g/cm3; (19)Flash Point: 141 °C; (20)Enthalpy of Vaporization: 58.1 kJ/mol; (21)Boiling Point: 309.5 °C at 760 mmHg; (22)Vapour Pressure: 0.000275 mmHg at 25°C; (23)Exact Mass: 189.958835; (24)MonoIsotopic Mass: 189.958835; (25)Topological Polar Surface Area: 37.3; (26)Heavy Atom Count: 11; (27)Complexity: 161.

Use of this chemical: 2,4-dichloro-benzoic acid could react to produce 2-amino-4-chloro-benzoic acid. This?reaction could?happen in the presence of the reagent of copper powder & ammonia, and it needs the?reaction temperature of 120 ℃.

Production method of this chemical: 2,4-dichloro-benzaldehyde could react to produce 2,4-dichloro-benzoic acid. This reaction could happen in the presence of the reagent of sodium perborate tetrahydrate and the solvent of?acetic acid, and it needs the reaction temperature of 45 - 50 ℃ with the yield of 87 %.

As to its usage, it is widely applied in many ways. It could be used as the intermediate of bacteriacide pyrifenox and also the intermediate of phytocide pyrazoxyfen; It could also be the intermediate of pharmaceutics, dye and pesticide.

When you are dealing with this chemical, you should be much more cautious. For one thing, it is irritant to eyes, respiratory system and skin, which also may cause inflammation to the skin or other mucous membranes. For another thing, it is harmful which may cause damage to health. If swallowed, it will be dangerous. Therefore, you should wear suitable protective clothing, gloves and eye/face protection. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice, and do remember not to breathe dust.

In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: C1=CC(=C(C=C1Cl)Cl)C(=O)O
(2)InChI: InChI=1S/C7H4Cl2O2/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3H,(H,10,11)
(3)InChIKey: ATCRIUVQKHMXSH-UHFFFAOYSA-N?

Below are the toxicity information of this chemical:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 830mg/kg (830mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Shokuhin Eiseigaku Zasshi. Food Hygiene Journal. Vol. 20, Pg. 332, 1979.
mouse LD50 subcutaneous 1200mg/kg (1200mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: MUSCLE WEAKNESS

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Biochemical Pharmacology. Vol. 13, Pg. 1538, 1964.
?

5. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Acute toxicity - Oral, Category 4

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity \u2013 single exposure, Category 3

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H302 Harmful if swallowed

H315 Causes skin irritation

H319 Causes serious eye irritation

H335 May cause respiratory irritation

Precautionary statement(s)
Prevention

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P271 Use only outdoors or in a well-ventilated area.

Response

P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/\u2026if you feel unwell.

P330 Rinse mouth.

P302+P352 IF ON SKIN: Wash with plenty of water/...

P321 Specific treatment (see ... on this label).

P332+P313 If skin irritation occurs: Get medical advice/attention.

P362+P364 Take off contaminated clothing and wash it before reuse.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P312 Call a POISON CENTER/doctor/\u2026if you feel unwell.

Storage

P403+P233 Store in a well-ventilated place. Keep container tightly closed.

P405 Store locked up.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

6. NMR Spectrum
13C NMR : in DMSO-d6  
1H NMR : 90 MHz in DMSO-d6  
IR : KBr disc  
IR : nujol mull  
Raman : 4880 A,100M,powder  
Mass  
7. Synthesis Route
50-84-0Total: 45 Synthesis Route
 
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8. Precursor and Product
precursor:
product:
9. Computed Properties
10.Other Information
Usage
2,4-Dichlorobenzoic acid is used as reagent during the synthesis of pyrimido[2?,1?:2,3]thiazolo[4,5-b]quinoxaline derivatives. It is also used as starting reagent during the synthesis of 1-(substituted)-1,4-dihydro-6-nitro-4-oxo-7-(sub-secondary amino)-quinoline-3-carboxylic acids.
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13. Realated Product Infomation
 
 
 
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