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Chemical compound From Wikipedia, the free encyclopedia
Silver thiosulfate (STS, chemical formula Ag2S2O3) is an inorganic chemical that can promote early flower growth and promote flower duration in a variety of plants.[2][3]
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ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.041.311 |
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Properties | |
Ag2O3S2 | |
Molar mass | 327.85 g·mol−1 |
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GHS labelling:[1] | |
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H315, H319, H335 | |
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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An aqueous solution of silver thiosulfate can be prepared by mixing solutions of sodium thiosulfate and silver nitrate. When used for plant assays, it is prepared using excess thiosulfate, giving the [Ag(S2O3)2]3– complex ion.[4]
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