Sodium Chloroacetate, also known as Sodium Monochloroacetate or Chloro‑aceticacisodiumsalt, has chemical formula C₂H₂ClNaO₂ and CAS number 3926‑62‑3 zh.wikipedia.org+14en.wikipedia.org+14highmountainco.com+14. It is a white crystalline powder, highly soluble in water (85–820 g/L at 20 °C) and some organic solvents sitem.herts.ac.uk+2chemicalbook.com+2highmountainco.com+2.
SMCA is industrially produced by neutralizing chloroacetic acid with sodium carbonate:
2 CH₂ClCOOH + Na₂CO₃ → 2 CH₂ClCOONa + H₂O + CO₂ cameochemicals.noaa.gov+15chemicalbook.com+15highmountainco.com+15zh.wikipedia.org.
This route is favored for cost efficiency over sodium hydroxide, though both are used.
Sodium Chloroacetate serves as a powerful alkylating agent, introducing the –CH₂CO₂⁻ function into various molecules . Its applications include:
Synthesizing carboxymethylcellulose (CMC) used in adhesives, textiles, food en.wikipedia.org.
As precursor for herbicides (dimethoate), pharmaceuticals, dyes, thioglycolic acid, cyanoacetate, malonic acid fishersci.com+11en.wikipedia.org+11zh.wikipedia.org+11.
Acting as surfactant or acid catalyst, cleaning agent and reagent in organic synthesis highmountainco.com.
SMCA is non-flammable but decomposes above ~150 °C, releasing corrosive/toxic gases highmountainco.com+2chemicalsafety.ilo.org+2cameochemicals.noaa.gov+2. Density is ~1.40 g/cm³ (25 °C) tera.org+9en.wikipedia.org+9pubchem.ncbi.nlm.nih.gov+9.
Acute hazards include skin and eye irritation, toxicity via ingestion or inhalation, and it is classified as very toxic to aquatic life chemicalbook.com+2lobachemie.com+2fishersci.com+2.
GHS hazard statements include:
H301: Toxic if swallowed
H315: Causes skin irritation
H319: Causes serious eye irritation
H332: Harmful if inhaled
H402: Harmful to aquatic life highmountainco.com+5mubychem.com+5merckmillipore.com+5.
To minimize risks:
Store in cool, dry, ventilated areas, sealed containers, away from oxidizers or moisture .
Use PPE—gloves, goggles, protective clothing, respirators in poor ventilation .
In case of spills, avoid dust, contain with inert absorbent, and prevent release into waterways .
SMCA is water-soluble and likely mobile in the environment exsyncorp.com. It is classified as very toxic to aquatic organisms, may cause long-term ecological effects, and should not enter drains .
Risk to algae is particularly high (EC₅₀ ≈ 0.009 mg/L) zh.wikipedia.org+5sitem.herts.ac.uk+5highmountainco.com+5.
SMCA is regulated globally—classified as UN 2659, hazard class 6.1, packing group III for transportation (DOT/IATA/IMDG) cameochemicals.noaa.gov+4fishersci.com+4sitem.herts.ac.uk+4.
It is regulated under Management of Chemicals directives for GHS hazard labeling and workplace exposure limits (e.g., WEEL TWA ≤ 0.5 ppm) tera.org.
For high-quality Sodium Chloroacetate (SMCA) in various grades and batch sizes, see the internal product page on HighMountainChem:
https://highmountainchem.com/sodium-chloroacetate-cas-3926-62-3/
Product Parameters
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Product name
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L-Lysine Hcl
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Specification
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99%
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Appearance
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White powder
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Molecular Formula
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C6H15ClN2O2
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Test Method
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HPLC
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Molecular Weight
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182.65
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CAS
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657-27-2
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Odor
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Characteristic
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MOQ
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1KG
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