{"product_id":"natriumpyrosulfit-czda-5kg","title":"Solfito Acido di Sodio CZDA 5kg","description":"\u003cp\u003e\u003cstrong\u003ePirosofitico di sodio\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInformazioni tecniche sui reagenti chimici:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eFormula chimica: Na₂S₂O₅.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumero CAS: 7681-57-4\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumero CE: 231-673-0\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSinonimi: Metabisolfito di sodio, Disolfato di disodio(IV)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMassa molare: 190,1 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSpecie: p.d.a.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePurezza: min. 98,0 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSostanze insolubili in acqua: max. 0,005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCloruri (Cl): max. 0,005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMetalli pesanti (Pb): max. 0,002 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eArsenico (As): max. 0,00005 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFerro (Fe): max. 0,0005 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eStato fisico: solido\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAspetto esteriore: polvere cristallina bianca\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eColore: bianco\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eOdore: solforoso\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003epH: 3,5 - 5,5 (50 g\/l H₂O, 20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunto di fusione: 150°C (decomposizione)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunto di ebollizione: non applicabile\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTemperatura di autoaccensione: non applicabile\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunto di infiammabilità: non applicabile\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLimiti di esplosione: non applicabile\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePressione di vapore: non disponibile\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensità: 1,48 g\/cm³ (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensità apparente: 1000-1200 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilità in acqua: 650 g\/l (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilità in solventi organici: illimitata in glicerina, debole in alcol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLog P (n-ottanolo\/acqua): -3,7\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEsempi di applicazioni professionali in vari settori:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaboratori analitici:\u003c\/strong\u003e Agente riducente nelle reazioni chimiche e reagente nelle analisi qualitative e quantitative.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria chimica:\u003c\/strong\u003e Impiego nei processi di neutralizzazione e riduzione e come scavenger di ossigeno.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria tessile e cartaria:\u003c\/strong\u003e Agente sbiancante e conservante nei processi tecnologici.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrattamento tecnico delle acque:\u003c\/strong\u003e Agente riducente per la rimozione del cloro libero nei circuiti industriali.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvvertenze di pericolo sull'etichetta del prodotto:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\n \u003cspan\u003e\u003cstrong\u003eH302:\u003c\/strong\u003e Nocivo se ingerito.\u003c\/span\u003e\u003cbr\u003e\n \u003cspan\u003e\u003cstrong\u003eH318\u003c\/strong\u003eProvoca gravi lesioni oculari.\u003c\/span\u003e\u003cbr\u003e\n \u003cspan\u003e\u003cstrong\u003eEUH031:\u003c\/strong\u003e A contatto con acidi libera gas tossici.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/p\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eAvvertenze di sicurezza sull'etichetta del prodotto:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\n \u003cstrong\u003eP280:\u003c\/strong\u003e Indossare guanti protettivi\/indumenti protettivi\/protezione per occhi\/viso.\u003cbr\u003e\n \u003cstrong\u003eP305 + P351 + P338:\u003c\/strong\u003e IN CASO DI CONTATTO CON GLI OCCHI: Sciacquare con delicatezza con acqua per alcuni minuti. Togliere le eventuali lenti a contatto, se possibile. Continuare a sciacquare.\u003cbr\u003e\n \u003cstrong\u003eP313:\u003c\/strong\u003e Consultare un medico\/ricorrere a cure mediche.\u003cbr\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eCondizioni di stoccaggio raccomandate:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eConservare in un luogo fresco, asciutto e ben ventilato.\u003c\/li\u003e\n  \u003cli\u003eProteggere dall'umidità e dal contatto con acidi - rischio di rilascio di SO₂.\u003c\/li\u003e\n  \u003cli\u003eConservare in contenitori ermeticamente chiusi e resistenti alla corrosione.\u003c\/li\u003e\n  \u003cli\u003eEvitare lo stoccaggio in prossimità di forti agenti ossidanti.\u003c\/li\u003e\n  \u003cli\u003eOsservare le regole generali per lo stoccaggio degli agenti riducenti inorganici.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55537748345180,"sku":"CHEM-118066503-5kg","price":142.93,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/e7182308c35c1dd3af204889ade35d35.jpg?v=1758550266","url":"https:\/\/miolaboratorium.com\/it\/products\/natriumpyrosulfit-czda-5kg","provider":"Biolaboratorium","version":"1.0","type":"link"}