DICHLOROACETIC ACID

2,2-Dichloroacetic acid; Bichloracetic acid; Dichlorethanoic acid; Dichloroethanoic acid; Kyselina dichloroctova;

 DICHLOROACETIC ACID

 

PRODUCT IDENTIFICATION

CAS RN

79-43-6; 42428-47-7

EINECS RN

201-207-0

FORMULA

Cl2CHCOOH

MOLE WEIGHT

128.94

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE

colourless to slightly yellowish liquid

MELTING POINT

9 - 11 C

BOILING POINT

194 C

DENSITY

 

SOLUBILITY IN WATER

Miscible

pH

 

VAPOR DENSITY

 

REFRACTIVE INDEX

 

FLASH POINT

112 C

 

STABILITY AND REACTIVITY
STABILITY Stable under normal conditions. May decompose upon hearting

INCOMPATIBLE MATERIALS

Strong bases, strong oxidizing agents, strong reducing agents.
DECOMPOSITION PRODUCTS

Carbon oxides, Hydrogen chloride, phosgene.

POLYMERIZATION Has not been reported

NFPA RATINGS

Health: 3; Flammability: 1; Instability: 0

 

SAFETY

HAZARD NOTES

Causes severe eye and skin burns. Causes severe digestive and respiratory tract burns. Very toxic to aquatic organisms. Target Organs: Blood, kidneys, liver, respiratory system, gastrointestinal system, eyes, skin.

EYE

Causes eye burns.

SKIN

Causes skin burns. May be harmful if absorbed through the skin.

INGESTION

Causes gastrointestinal tract burns. May be harmful if swallowed.

INHALATION

Causes chemical burns to the respiratory tract. May be harmful if inhaled.

CHRONIC

May cause liver and kidney damage. Adverse reproductive effects have been reported in animals. Laboratory experiments have resulted in mutagenic effects. Chronic exposure may cause blood effects. Animal studies have reported the development of tumors.

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

1764
HAZARD CLASS

8

PACKING GROUP

II

HAZARD SYMBOL

C N

RISK PHRASES

35-50

SAFETY PHRASES

26-45-61

 

OTHER INFORMATION

Monochloroacetic acid, chlorinated simplest carboxylic acid, has electron-withdrawing atoms on the next carbon to acid. Alha-chlorine makes monochloroacetic acid more acidic than acetic acid. The more electronegative atom presence tends to strengthen the acidic property.

Trichloroacetic acid is stronger than monochloroacetic acid. Trichloroacetic acid is a corrosive and toxic crystals, with pungent odour; boiling point 198 C and melting point 58 C. It is soluble in water and the solution is a strong acid. Trichloroacetic acid can be used as a useful chemical intermediate for the production of various target molecules (medicine, pharmacy, and herbicides). The sodium salt is used as a weedkiller directly. It is used as reagent for albumin detection.

Dichloroacetic acid is a colourless to slightly yellowish liquid, highly corrosive. It is miscible with water and is readily soluble in alcohols, ketones, hydrocarbons and chlorinated hydrocarbons. It is typically prepared by the reduction of trichloroacetic acid. It has shows the weaker acidity than benzenesulphonic acid or trichloroacetic acid, which provides milder reaction conditions for detritylation in the oligonucleotide synthesis and more stability against decomposition to hydrochloric acid. It is used as an intermediate in the production of glyoxylic acid, dialkoxy and diaroxy acids, and sulfonamides. Some end products include chloramphenicol and thiamphenicol. It is used in preparations of iron chelates for agricultural industry. It is used to a lesser extent as a cauterizing agent in dermatology.

 

SALES SPECIFICATION

APPEARANCE

colourless to slightly yellowish liquid

DICHLOROACETIC ACID

98.0% max

MONOCHLOROACETIC ACID

0.5% max

TRICHLOROACETIC ACID

1.0% max

WATER

0.5% max

 

PACKING

75kg in a drum; 250kg in a drum

 

PRICE