Dichloroacetic acid
- Product Name
- Dichloroacetic acid
- CAS No.
- 79-43-6
- Chemical Name
- Dichloroacetic acid
- Synonyms
- dichloro;dichloroacetic;2,2-Dichloroacetic acid;dca(acid);Aceticacid,dichloro-;DICHLOROACETICACID,REAGENT;DKhUK;urner’sliquid;Urner's liquid;oroacetic acid
- CBNumber
- CB5671951
- Molecular Formula
- C2H2Cl2O2
- Formula Weight
- 128.94
- MOL File
- 79-43-6.mol
Dichloroacetic acid Property
- Melting point:
- 9-11 °C(lit.)
- Boiling point:
- 194 °C(lit.)
- Density
- 1.56 g/mL at 25 °C (lit.)
- vapor density
- 4.5 (vs air)
- vapor pressure
- 0.19 mm Hg ( 20 °C)
- refractive index
- n20/D 1.466(lit.)
- Flash point:
- >230 °F
- storage temp.
- Store below +30°C.
- solubility
- Chloroform (Slightly), Methanol (Slightly)
- form
- Liquid
- pka
- 1.48(at 25℃)
- color
- APHA: <50
- PH
- 1.2 (129g/l, H2O, 20℃)
- Water Solubility
- soluble
- Sensitive
- Hygroscopic
- Merck
- 14,3050
- BRN
- 1098596
- Dielectric constant
- 10.7（-7℃）
- Exposure limits
- ACGIH: TWA 0.5 ppm (Skin)
- Stability:
- Stable. Incompatible with strong oxidizing agents, strong bases, strong reducing agents. Reacts with water. Protect from moisture. Hygroscopic.
- InChIKey
- JXTHNDFMNIQAHM-UHFFFAOYSA-N
- LogP
- 0.92
- CAS DataBase Reference
- 79-43-6(CAS DataBase Reference)
- NIST Chemistry Reference
- Acetic acid, dichloro-(79-43-6)
- IARC
- 2B (Vol. 63, 84, 106) 2014
- EPA Substance Registry System
- Dichloroacetic acid (79-43-6)
Safety
- Hazard Codes
- Xn,N,C,Xi,F
- Risk Statements
- 36/38-40-50-35-36/37/38-67-38-65-48/20-11-63-50/53
- Safety Statements
- 26-45-61-36/37-36-16-62-36/37/39
- RIDADR
- UN 1764 8/PG 2
- WGK Germany
- 2
- RTECS
- AG6125000
- F
- 3-10
- TSCA
- Yes
- HS Code
- 2915 40 00
- HazardClass
- 8
- PackingGroup
- II
- Hazardous Substances Data
- 79-43-6(Hazardous Substances Data)
- Toxicity
- LD50 orally in rats: 2.82 g/kg (Smyth)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H290May be corrosive to metals
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H351Suspected of causing cancer
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
- Precautionary statements
-
P202Do not handle until all safety precautions have been read and understood.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- DX0657
- Product name
- Dichloroacetic Acid
- Purity
- Biotechnology
- Packaging
- 4L
- Price
- $1990
- Updated
- 2024/03/01
- Product number
- D54702
- Product name
- Dichloroacetic acid
- Purity
- ReagentPlus , ≥99%
- Packaging
- 2.5l
- Price
- $316
- Updated
- 2024/03/01
- Product number
- BI0841
- Product name
- Deblock Reagent 10% DCA in Toluene
- Purity
- BiosynthesisNovabiochem?
- Packaging
- 4L
- Price
- $253
- Updated
- 2024/03/01
- Product number
- BI0832
- Product name
- Deblocking Reagent 3% Dichloroacetic Acid in Toluene
- Purity
- Novabiochem?
- Packaging
- 1L
- Price
- $217
- Updated
- 2024/03/01
- Product number
- BI0841
- Product name
- Deblock Reagent 10% DCA in Toluene
- Purity
- BiosynthesisNovabiochem?
- Packaging
- 20L
- Price
- $2000
- Updated
- 2024/03/01
Dichloroacetic acid Chemical Properties,Usage,Production
Description
DCA is a corrosive, combustible, colorless liquid with a pungent odor. Molecular weight = 128.94;Specific gravity (H2O:1) = 1.56; Boiling point = 193.8℃;Freezing/Melting point = 9.7-13.5℃; Vaporpressure = 1 mmHg at 44℃; Flash point = 110℃. HazardIdentification (based on NFPA-704 M Rating System):Health 3, Flammability 1, Reactivity 1. Highly corrosive.Soluble in water.
Chemical Properties
Dichloroacetic acid, CHCI2COOH, also known as dichlorethanoic acid, is a corrosive, combustible, colorless, strong liquid acid with a pungent odor. It is soluble in water and alcohol. Dichloroacetic acid (Ka=5.14 × 10-2) is a stronger acid than chloroacetic acid. Most chemical reactions are similar to those of chloroacetic acid, although both chlorine atoms are susceptible to reaction. Dichloroacetic acid is much more stable to hydrolysis than chloroacetic acid. It is a reactive intermediate in organic synthesis. Dichloroacetic acid is prepared by the chlorination of acetic acid.
Uses
Dichloroacetic acid is used as an intermediate to make other chemicals such as its salts and esters. It is involved as a test reagent for fiber analysis and a disinfectant. It is used to inhibit mitochondrial PDK (pyruvate dehydrogenase kinase) and to shift cellular metabolism from glycolysis to glucose oxidation. Further, it is used in the treatment for post-ischemic recovery.
Preparation
Dichloroacetic acid was reported to be first synthesized in 1864 by the further chlorination of monochloroacetic acid with chlorine (Beilstein Online, 2002). The most common production method for dichloroacetic acid is the hydrolysis of dichloroacetyl chloride, which is produced by the oxidation of trichloroethylene.
Application
Dichloroacetic acid (DCA) is a chlorinated acetic acid that has been reported to be a mouse liver carcinogen. The varying degrees of swelling of polyester in different concentrations of DCA solution has been analyzed by phase-contrast microscopy. The efficiency of titanium dioxide (TiO2) nanoparticles to catalyze the photodegradation of DCA has been investigated.
Dichloroacetic acid (DCA) can be used as:
A reactant in the synthesis of chloroketones by reacting with esters in the presence of LiHMDS via Claisen-type homologation reaction.
A structure-directing agent, solvent, or plastdopant for the preparation of different morphologies of polyaniline (PANI). Self-assembling nanostructured PANI may be formed due to the presence of strong hydrogen bonding between DCA and aniline/polyaniline.
Definition
ChEBI: Dichloroacetic acid is an organochlorine compound comprising acetic acid carrying two chloro substituents at the 2-position. It occurs in nature in seaweed, Asparagopsis taxiformis. It has a role as an astringent and a marine metabolite. It is a monocarboxylic acid and an organochlorine compound. It derives from an acetic acid. It is a conjugate acid of a dichloroacetate.
General Description
Dichloroacetic acid appears as a colorless crystalline solid melting at 49°F. Corrosive to metals and tissue.
Air & Water Reactions
Soluble in water.
Reactivity Profile
Dichloroacetic acid is probably hygroscopic. Dichloroacetic acid reacts with water or steam. Dichloroacetic acid is incompatible with strong oxidizing agents, strong bases and strong reducing agents.
Health Hazard
TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
Fire Hazard
Combustible material: may burn but does not ignite readily. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form.
Flammability and Explosibility
Non flammable
Safety Profile
Moderately toxic by skin contact and ingestion. It is corrosive to the skin, eyes, and mucous membranes. Questionable carcinogen with experimental tumorigenic data. Will react with water or steam to produce toxic and corrosive fumes. When heated to decomposition it emits toxic fumes of Cl-. See also CHLORIDES.
Potential Exposure
This haloacetic acid can be a byproduct of drinking water disinfection and may increase the risk of cancer. This chemical is used as starting material for the production of glyoxylic; dialkyloxy acids; and sulfonamides. It is also used as a fungicide, a medication; and a chemical intermediate in pharmaceuticals
First aid
If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. If victim is conscious, administer water ormilk. Do not induce vomiting. Medical observation isrecommended for 2448 h after breathing overexposure, aspulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consideradministering a corticosteroid spray.
storage
Color Code—White: Corrosive or Contact Hazard;Store separately in a corrosion-resistant location. Prior toworking with DCA you should be trained on its proper handling and storage. Store in tightly closed containers in acool, well-ventilated area away from incompatible materialslisted above. Metal containers involving the transfer of thischemical should be grounded and bonded. Where possible,automatically pump liquid from drums or other storage containers to process containers. Drums must be equipped withself-closing valves, pressure vacuum bungs, and flamearresters. Use only nonsparking tools and equipment, especially when opening and closing containers of this chemical. Sources of ignition, such as smoking and open flames,are prohibited where this chemical is used, handled, orstored in a manner that could create a potential fire orexplosion hazard. Wherever this chemical is used, handled,manufactured, or stored, use explosion-proof electricalequipment and fittings.
Shipping
UN1764 Dichloricacetic acid, Hazard class: 8; Labels: 8-Corrosive material.
Purification Methods
Crystallise this strong acid from *benzene or pet ether. Dry it with MgSO4 and fractionally distil it. [Bernasconi et al. J Am Chem Soc 107 3612 1985, Beilstein 2 IV 498.]
Incompatibilities
DCA is a medium strong acid; incompatible with nonoxidizing mineral acids; organic acids; bases, acrylates, aldehydes, alcohols, alkylene oxides; ammonia, aliphatic amines; alkanolamines, aromatic amines; amides, furfuryl alcohol (explosion hazard), glycols, isocyanates, ketones. Attacks metals generating flammable hydrogen gas. Attacks some plastics, rubber, and coatings
Dichloroacetic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Dichloroacetic acid manufacturers
- Product
- Dichloroacetic acid 79-43-6
- Price
- US $1.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 10 mt
- Release date
- 2024-11-14
- Product
- Dichloroacetic acid 79-43-6
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 50000KG/month
- Release date
- 2023-06-26
- Product
- dichloroacetic acid 79-43-6
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-06-26