CAS 79-11-8 Chloro Acetic Acid Pesticide Intermediates
CAS 79-11-8 Chloroacetic Acid (MCA) CLCH2COOH Pesticides Intermediates
Basic Information
Model Number: HMHT0001
Other Names: Monochloroacetic Acid; MCA; MCAA
EINECS NO.: 201-178-4
CAS NO.: 79-11-8
UN NO.: 1751
H.S. CODE NO.: 29154000
Molecular Formula: CLCH2COOH
Molecular Weight: 94.5
Standard: HG/T3271-2000
Purity: 97.5% min.; 98% min.; 99% min
Chloroacetic Acid (CAS 79-11-8): A Key Pesticide Intermediate
Chloroacetic Acid (MCA) is a vital organochlorine compound and is one of the most important intermediates used in the chemical industry. It is a colorless crystalline substance that is highly soluble in water and organic solvents.
Physical and Chemical Properties
- Molecular Formula: C2H3ClO2
- Molecular Weight: 94.5 g/mol
- Boiling Point: Approximately 189°C
- Melting Point: 63°C
- Appearance: Colorless crystalline solid with a pungent odor
- Solubility: Highly soluble in water and most organic solvents
Applications in Pesticide Production
Chloroacetic Acid is extensively used as an intermediate in the synthesis of a wide range of agrochemicals, including herbicides, insecticides, and fungicides. Some of its significant contributions to pesticide production include:
Herbicides
- Alachlor and Butachlor: Chloroacetic acid reacts with other organic compounds to form alachlor and butachlor, which are widely used herbicides in the control of grasses and broadleaf weeds in crops like maize and rice.
Insecticides
- Triclopyr: An ester linkage with chloroacetic acid forms the backbone of triclopyr, a systemic herbicide that doubles as an insecticide in forestry and grassland management.
Fungicides
- Thiophanate-methyl: Involves the reaction of chloroacetic acid with thiourea derivatives to produce thiophanate-methyl, a fungicide used extensively to protect a wide variety of crops against fungal diseases.
Safety and Environmental Concerns
Handling of Chloroacetic Acid must be done with great care due to its corrosive nature and potential toxicity:
- Health Risks: Chloroacetic acid can cause severe burns to the skin and eyes, and inhalation can lead to respiratory irritation or more severe lung issues.
- Precautions: Use of appropriate personal protective equipment (PPE), such as gloves, goggles, and respirators, is crucial when handling this chemical.
- Environmental Impact: As with many chemicals, improper disposal of chloroacetic acid can lead to environmental pollution. Therefore, it must be disposed of according to local regulatory requirements.
Market Outlook
The demand for chloroacetic acid is closely linked to the agricultural sector, which continues to grow due to the increasing need for higher crop yields. This trend suggests a steady or increasing demand for chloroacetic acid as an intermediate in producing effective agrochemicals.
Conclusion
Chloroacetic Acid (CAS 79-11-8) plays a critical role in the chemical industry, especially as an intermediate in pesticide production. Its effectiveness in forming a variety of agrochemicals makes it indispensable in modern agriculture. However, handling this chemical requires strict adherence to safety protocols to avoid health risks and environmental damage.
For more information on chloroacetic acid and its applications, or to explore how our chemical solutions at Wuxi High Mountain can support your business needs, please visit our website at high-mountain.cn.
Technical Specifications
We can provide special grades of MCA as per customers' requirement:
| Item | Superior grade | First grade | Qualified grade |
Monochloroacetic Acid (MCA) | 99% min. | 98% min. | 97.5% min. |
Dichloroacetic Acid (DCA) | 0.5% max. | 0.5% max. | 0.8% max. |
Acetic Acid (AA) | 0.5% max. | 0.5% max. | 0.5% max. |
Crystallization Point | 60℃ | 60℃ | 60℃ |
Packaging Types
We can provide 25kg bag; 50kg bag;800kg big bag;1000kg big bag or as per customers' requirements.


Applications

Used in the Agro pesticide industry to manufacture glyphosate, herbicide, 2,4-D, naphthyl acetic acid, etc.;
Used to make pharmaceutical intermediates of barbiturates, vitamin B6, vitamin A, epinephrine,
amino acid, etc.;
Used in the dyestuffs industry like indigo dyes, cationic dyes, disperse dyes, vat dyes, naphthalene amino
acetic acid.
Used in the organic synthesis as an important raw material and intermediates to make acetic acid betaine
(surfactant in shampoo, hair conditioner, etc.), mercaptoacetic acid, malonic acid, a cationic surfactant,
softener, lime soap dispersing agent, cold wave lotion, detergents, chloracetyl chloride, etc.;
Used as the main raw material of producing carboxymethyl cellulose (CMC);
Storage/Transport Information
IMDG: Class 6.1, Code:8
Packaging group: II
Storage: Storage temperature: 15 °C up to 25 °C. Keep container tightly closed in a cool, well-ventilated place.
Only trained personnel may be allowed to enter the storage area.
Company Profile

Wuxi High Mountain Hi-tech Development Co., Ltd is a professional industrial company engaged in special
chemical production, technology research & development, and import & export. The company focuses on
the production, trade, and research & development of various chemical products.
Since its establishment, the company has been concentrating on constructing an international marketing
network and optimizing supply chain management, where we have established a long-term strategic
cooperation relationship with numerous large enterprises at home and abroad. Relying on our wide business
channels and professional experience, we are more skillfully providing products of stable but differentiated
quality, along with flexible, highly efficient & considerate service to satisfy our partner at more competitive pricing.

79-11-8 Chloro Acetic Acid
,Pesticides Chloro Acetic Acid
,mono chloro acetic acid
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