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Molekula

Molekula

Dichloroacetic acid

SKU 32742152 CAS 79-43-6 CHCl2COOH MW 128.94 In stock Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Dichloroacetic acid is a halogenated organic acid used in research and industrial applications, particularly in metabolic studies and chemical synthesis. Documented applications include serving as a synthesis intermediate for compounds such as chloramphenicol and allantoin, a test reagent in fiber analysis, and a disinfectant or biocide. It appears as a colorless to pale yellow liquid with a pungent odor. CAS: 79-43-6, Molecular Formula: CHCl₂COOH, Molecular Weight: 128.94 g/mol. Store at 2 to 8 °C. Hazardous: Signal word Danger. Molekula supplies Dichloroacetic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

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  • 1 kg — $228.80 per pack

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Specifications

Property Value
Appearance Clear and colourless to yellow liquid
Water ≤ 0.5%
Assay GC ≥ 99.0%
Chloroacetic Acid ≤ 1.0%
Trichloroacetic acid ≤ 0.5%

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Transport Class 8
Packing Group II
Acidity Acid

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance Liquid
Odour Pungent odor
Melting Point 13.5 °C
Boiling Point 194 °C
Density 1.56 (relative, water = 1)
Water Solubility Miscible with water
Solubility (other solvents) Miscible with ethanol, diethyl ether; soluble in acetone; slightly soluble in carbon tetrachloride
Vapour Pressure 19 Pa at 20 °C
Refractive Index 1.4658
pKa pKa = 1.26
log P (octanol/water) 0.92

Source: PubChem CID 6597 (HSDB, DrugBank, ICSC)

Identification

Property Value
SKU 32742152
CAS Number 79-43-6
IUPAC Name 2,2-dichloroacetic acid
EC Number 201-207-0
Molecular Formula CHCl2COOH
Molecular Weight 128.94
Exact Mass 127.9432
SMILES C(C(=O)O)(Cl)Cl
InChIKey JXTHNDFMNIQAHM-UHFFFAOYSA-N
InChI InChI=1S/C2H2Cl2O2/c3-1(4)2(5)6/h1H,(H,5,6)
PubChem CID 6597
UN Number UN1764
REACH Code Y110
TSCA Listed Yes
HTS Code 29154010
Tariff Code 2915400090

Safety & GHS

Danger
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Toxic Toxic GHS06
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • EUH071 Corrosive to the respiratory tract
  • H311 Toxic in contact with skin
  • H314 (sub cat. 1A) Causes severe skin burns and eye damage
  • H351 Suspected of causing cancer
  • H360 May damage fertility or the unborn child
  • H373 May cause damage to organs through prolonged or repeated exposure
  • H400 Very toxic to aquatic life

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P308+313 IF exposed or concerned: Get medical advice/attention

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • 2,2-Dichloroacetic acid
  • Acetic acid, dichloro-
  • Bichloracetic acid
  • Bichloroacetic Acid
  • DCA (acid)
  • Dichloracetic acid
  • Dichlorethanoic acid
  • Dichloroethanoic acid
  • Kyselina dichloroctova
  • Urner's liquid

Frequently asked questions

What is dichloroacetic acid used for?

Dichloroacetic acid is primarily used in research and industrial applications, including metabolic studies and as a reagent in organic synthesis.

What is the chemical formula and molecular weight of dichloroacetic acid?

The formula is CHCl2COOH with a molecular weight of 128.94 g/mol.

How should dichloroacetic acid be stored?

It should be stored at 2 to 8 °C to maintain stability and prevent degradation.

What grade of dichloroacetic acid does Molekula supply?

Molekula supplies dichloroacetic acid in analytical grade.

Can Molekula supply dichloroacetic acid in bulk?

Yes, Molekula can supply dichloroacetic acid in bulk quantities—please contact sales for details.

What documentation comes with a purchase of dichloroacetic acid?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.

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