{{Chembox |Section1={{Chembox Identifiers | CASNo = 23149-52-2 | ChEMBL = 2251960 | ChemSpiderID = 8081126 | DTXSID = DTXSID501015534 | EC_number = 245-458-4 | PubChem = 9905473 | StdInChI=1S/2Ag.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2 | StdInChIKey = BLZGNFOLSIAOSQ-UHFFFAOYSA-L | SMILES = [O-]S(=O)(=S)[O-].[Ag+].[Ag+] }} |Section2={{Chembox Properties | Ag=2|O=3|S=2 }} |Section7={{Chembox Hazards | GHS_ref=<ref>{{cite web |title=Disilver;dioxido-oxo-sulfanylidene-lambda6-sulfane |url=https://pubchem.ncbi.nlm.nih.gov/compound/9905473#section=Safety-and-Hazards |website=pubchem.ncbi.nlm.nih.gov |language=en}}</ref> | GHSPictograms = {{GHS07}} | GHSSignalWord = Warning | HPhrases = {{H-phrases|315|319|335}} | PPhrases = {{P-phrases|261|264|264+265|271|280|302+352|304+340|305+351+338|319|321|332+317|337+317|362+364|403+233|405|501}} }} |Section8={{Chembox Related }} }} '''Silver thiosulfate''' ('''STS''', chemical formula Ag<sub>2</sub>S<sub>2</sub>O<sub>3</sub>) is an inorganic chemical that can promote early flower growth and promote flower duration in a variety of plants.<ref>{{cite journal |author1=Hyde PT |author2=Guan X |author3=Abreu V |author4=Setter TL |title=The anti-ethylene growth regulator silver thiosulfate (STS) increases flower production and longevity in cassava (''Manihot esculenta'' Crantz) |journal=Plant Growth Regul. |year=2020 |volume=90 |issue=3 |pages=441–453 |doi=10.1007/s10725-019-00542-x |publication-date=20 September 2019 |pmid=32214568 |pmc=7081664}}</ref><ref>{{cite journal|author1=Li Qingfei |author2=Chen Peiwen |author3=Tang Hao |author4=Zeng Fansen |author5=Li Xinzheng |title=Integrated transcriptome and hormone analyses provide insights into silver thiosulfate-induced 'maleness' responses in the floral sex differentiation of pumpkin (''Cucurbita moschata'' D.) |journal=Frontiers in Genetics |volume=13 |year=2022 |doi=10.3389/fgene.2022.960027 |doi-access=free |pmid=36105109 |issn=1664-8021|pmc=9464984 }}</ref>
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(S<sub>2</sub>O<sub>3</sub>)<sub>2</sub>]<sup>3–</sup> complex ion.<ref>{{cite web |url=https://www.sigmaaldrich.com/US/en/technical-documents/protocol/cell-culture-and-cell-culture-analysis/plant-tissue-culture/silver-thiosulfate |title=Silver Thiosulfate – Plant Tissue Culture Protocol |publisher=Sigma-Aldrich}}</ref>
35px|Silberion x35px|2 · 100px|Thiosulfat-Ion ==References== {{reflist}}
{{Silver compounds}}
Category:Thiosulfates Category:Silver compounds
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