3,4-dichlorocinnamic acid - Names and Identifiers
Name | 3,4-dichlorocinnamic acid
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Synonyms | NSC 518800 BRN 1872129 UNII-480625A7SY RARECHEM BK HC T316 OTAVA-BB BB7020400357 3,4-dichlorocinnamic acid 3,4-Dichlorocinnamic acid 3',4'-Dichlorocinnamic acid 3,4-Dichlorobenzeneacrylic acid Cinnamic acid, 3,4-dichloro- (8CI) 3-(3,4-Dichlorophenyl)propenoic acid 3-(3,4-Dichlorophenyl)-2-propenoic acid 3-(3,4-dichlorophenyl)prop-2-enoic acid (2E)-3-(3,4-dichlorophenyl)acrylic acid 2-Propenoic acid, 3-(3,4-dichlorophenyl)- (2E)-3-(3,4-dichlorophenyl)prop-2-enoic acid 2-propenoic acid, 3-(3,4-dichlorophenyl)-, (2E)-
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CAS | 1202-39-7
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EINECS | 214-866-4 |
InChI | InChI=1/C9H6Cl2O2/c10-7-3-1-6(5-8(7)11)2-4-9(12)13/h1-5H,(H,12,13)/b4-2+ |
InChIKey | RRLUFPHCTSFKNR-DUXPYHPUSA-N |
3,4-dichlorocinnamic acid - Physico-chemical Properties
Molecular Formula | C9H6Cl2O2
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Molar Mass | 217.05 |
Density | 1.457±0.06 g/cm3(Predicted) |
Melting Point | 218-220 °C (lit.) |
Boling Point | 366.6±32.0 °C(Predicted) |
Flash Point | 175.5°C |
Solubility | ethanol: soluble25mg/mL, very slightly hazy, faintly yellow |
Vapor Presure | 5.07E-06mmHg at 25°C |
Appearance | Crystallization |
Color | White to off-white |
BRN | 1872129 |
pKa | 4.18±0.10(Predicted) |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.637 |
MDL | MFCD00004385 |
3,4-dichlorocinnamic acid - Risk and Safety
Hazard Symbols | Xi - Irritant

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Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
S24/25 - Avoid contact with skin and eyes.
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WGK Germany | 3 |
RTECS | UD3333900 |
HS Code | 29163990 |
Hazard Class | IRRITANT |
3,4-dichlorocinnamic acid - Introduction
3,4-Dichloro cinnamic acid is an organic compound whose chemical formula is C9H7Cl2O2. The following is a description of the properties, uses, preparation and safety information of 3,4-dichloro cinnamic acid:
Nature:
-Appearance: 3,4-dichlorocinnamic acid is white crystalline powder.
-Melting point: about 122-124 degrees Celsius.
-Solubility: It is soluble in chloroform, benzene and ethanol, and has low solubility in water.
Use:
-Chemical reagent: 3,4-dichlorocinnamic acid can be used as an organic synthesis reagent for the synthesis of other compounds.
-Preservative: Due to its antibacterial and antioxidant properties, it can also be used as a preservative in the food industry.
-Pharmaceutical field: Studies have shown that 3,4-dichlorocinnamic acid has certain physiological activities and pharmacological properties, and may have antibacterial, anti-inflammatory and anti-cancer effects.
Preparation Method:
- 3,4-Dichloro cinnamic acid can be produced by chlorination of cinnamic acid. The specific synthesis method can be prepared by reacting thionyl chloride or acid chloride with cinnamic acid.
Safety Information:
- 3,4-dichloro cinnamic acid is a chemical and should be operated in strict accordance with laboratory operating procedures.
-In contact with skin and eyes, rinse immediately with plenty of water.
-Avoid inhaling its dust or vapor and avoid prolonged exposure to the air.
-should be stored in a cool, dry, well-ventilated place.
-During use and storage, attention should be paid to prevent safety accidents such as fires and explosions, and avoid contact with combustibles.
Please read the product manual carefully before use, or consult relevant professionals for more detailed and accurate information.
Last Update:2024-04-09 02:00:41