3-Chlorocinnamic acid

Производитель:

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Synonyms: 3-(3-chlorophenyl)-, (E)-2-Propenoicacid;RARECHEM BK HC T320;AKOS BBS-00006453; (2E)-3-(3-CHLOROPHENYL)ACRYLIC ACID;M-CHLOROCINNAMIC ACID; AURORA 22720; (E)-3-(3-CHLOROPHENYL)ACRYLIC ACID; (E)-m-chlorocinnamic acid

CAS NO.: 14473-90-6

Formula: C9H7ClO2

 

Molecular weight:182.6

EINECS NO.: 217-478-3

Melting point:161-164 °C

Appearance:white crystal

Character:Mainly used as an intermediate in organic synthesis

Storage: Shading, confined preservation, dry, ensure good ventilation or exhaust in the workshop

Keywords:3-Bromocinnamic acid, spices, essence, Synthetic essence,

 

 

Specifications

Item

REQUIREMENT

RESULT

Assay

≥99%

  1. 17 %

Description

White or slightlyyellow crystal

White or slightlyyellow crystal

Melting point

161-164 °C

163°C

pKa/pKb

  1. -3.7pKa
 

 

 

 

 

 

 

 

First Aid Measures

Ingestion

Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

 

Handling and Storage

Storage

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

 

Stability and Reactivity

Incompatibilities

Oxidizing agents.

Stability

Stable at room temperature in closed containers under normal storage, and handling conditions.

Decomposition

Hydrogen chloride, and carbon monoxide, and irritating and toxic fumes and gases, carbon dioxide.




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