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TSRN, New Jersey Trade Secret Registry Number
A New Jersey Trade Secret Registry Number (TSRN) is a code that chemical manufacturers in the state of New Jersey are required to list on their MSDS's or labels when they want to withhold the chemical identity of one or more components as a trade secret. Some sheets use the acronym NJTS or TSR in place of TSRN.
TSRN's may apply to ingredients or products that are hazardous or non-hazardous but should not be used for substances that are carcinogens, mutagens or teratogens.
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TSRNs will appear on an MSDS whenever a New Jersey manufacturer wishes to withhold the chemical identity of a product or its components by claiming a trade secret. Few materials meet the requirement for trade secret, so this term appears on only a relatively small number of MSDS's.
See also: CAS Number, EINECS, trade secret, UN Number.
Additional definitions from Google and OneLook.
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