Syncaine® (MS 222) Fish Anesthetic

Syncaine® (MS 222) Fish Anesthetic

Syncaine® is Syndel’s flagship product. It is manufactured in North America and is approved in multiple countries for the temporary immobilization of fish, amphibians, and other aquatic cold-blooded animals. 

Contact us for pricing and assistance at Syndel’s USA office at (800) 283-5292, or Syndel’s Canadian Office at (800) 663-2282.  For International inquiries email [email protected].

Syncaine® Concentration Calculator Based on Species and Anesthesia Type

Description

Syndel’s Syncaine® (also known as MS-222, TMS, tricaine methanesulfonate) is a fish anesthetic used for the temporary immobilization of fish, amphibians, and other aquatic cold-blooded animals (poikilotherms) around the world. Syncaine® has long been recognized as a valuable tool for the proper handling of these animals during manual spawning (fish stripping), weighing, measuring, marking, surgical operations, transport, photography, and research. Syncaine® is a fully approved drug in the USA, Canada and the United Kingdom.

Please review all safety and handling information before using this product.

Syndel is the world’s largest manufacturer of Syncaine® fish anesthetic. It is made in our FDA inspected Ferndale, Washington USA manufacturing plant according to Good Manufacturing Practices (GMP) to ensure the purity, strength, and quality of the product.

If anesthetizing fish for transport or handling try out Vidalife, if sedating for spawning try one of our many spawning aids.

Available Sizes: 10g, 100g, 1kg Bottle

For additional Syndel Product information such as availability, package sizes, pricing, and approvals/application details relevant to your country or region, please contact Syndel,

For more information on fish anesthetics, please see our FAQ page.

Syncaine® Safety and Handling

Do not overexpose fish to lethal levels of Syncaine®.

Since, in many cases, relatively rapid rates of anesthesia can be achieved only by exceeding the lethal concentration of Syncaine®, it is necessary to return anesthetized fish to fresh water before they are overexposed. Additional exposure following medullary collapse may result in mortality. Use in fish intended for food should be restricted to Ictaluridae, Salmonidae, Esocidae, and Percidae, and water temperature exceeding 10°C (50°F). In other fish and in cold-blooded animals, Syncaine® should be limited to hatchery or laboratory use.

Store at room temperature in a well-ventilated, secure area with the lid tightly closed.  Wear all appropriate PPE when handling this product. If exposed, flush with clean water and consult a medical professional.

When preparing an anesthetic bath, do not use distilled or deionized water, or water containing chlorine, heavy metals, or other toxic contaminants.

Always test planned dosage prior to large-scale use.  Review “Syncaine® Directions for Use” in the Resources section for levels of fish anesthesia and appropriate handling techniques.  Dispose of product and solutions in accordance with applicable regulations.

In the USA, food fish treated with Syncaine® must undergo a 21-day withdrawal period before slaughter for human consumption.  In Canada, use of Syncaine® must be followed by a five-day withdrawal period for fish held at temperatures of 10o C or greater.

Consult your veterinarian or fish health professional for more information about Syncaine®.

Product Documentation / Resources

Syncaine® Gram Calculator
Syncaine® Concentration Calculator Based on Species and Anesthesia Type

Syncaine® Package Insert – Canada
Syncaine® Package Insert – USA
Syncaine® NOR Package Insert – EU

Syncaine® – Dosage Chart

Fish Anesthetics FAQ

Syncaine® – SDS – USA

Syncaine® – SDS – Canada

Guide to Using Drugs, Biologics, and Chemicals in Aquaculture 

How Much Syncaine® Should I Use for Fish Anesthetization?

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