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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3D model (JSmol)
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| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.041.311 |
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| Ag2O3S2 | |
| Molar mass | 327.85 g·mol−1 |
| Hazards | |
| GHS labelling:[1] | |
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| Warning | |
| 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]
References
edit- ^ "Disilver;dioxido-oxo-sulfanylidene-lambda6-sulfane". pubchem.ncbi.nlm.nih.gov.
- ^ Hyde PT; Guan X; Abreu V; Setter TL (2020). "The anti-ethylene growth regulator silver thiosulfate (STS) increases flower production and longevity in cassava (Manihot esculenta Crantz)". Plant Growth Regul. 90 (3) (published 20 September 2019): 441–453. doi:10.1007/s10725-019-00542-x. PMC 7081664. PMID 32214568.
- ^ Li Qingfei; Chen Peiwen; Tang Hao; Zeng Fansen; Li Xinzheng (2022). "Integrated transcriptome and hormone analyses provide insights into silver thiosulfate-induced 'maleness' responses in the floral sex differentiation of pumpkin (Cucurbita moschata D.)". Frontiers in Genetics. 13. doi:10.3389/fgene.2022.960027. ISSN 1664-8021. PMC 9464984. PMID 36105109.
- ^ "Silver Thiosulfate – Plant Tissue Culture Protocol". Sigma-Aldrich.
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