{"product_id":"zitronensaure-czda-frei-25g","title":"Ácido Cítrico CZDA livre 25g","description":"\u003ch1\u003eÁcido cítrico anidro CZDA CHEM-115382111\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eDesignação química:\u003c\/strong\u003e Ácido 2-hidroxi-1,2,3-propanotricarboxílico (anidro)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFórmula molecular:\u003c\/strong\u003e \u003csub\u003eC6H8O7\u003c\/sub\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMassa molar:\u003c\/strong\u003e 192,12 g\/mol\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNúmero CAS:\u003c\/strong\u003e 77-92-9\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNúmero CE:\u003c\/strong\u003e 201-069-1\u003c\/p\u003e\n\n\u003ch2\u003eEspecificações técnicas\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEstado:\u003c\/strong\u003e sólido\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCor:\u003c\/strong\u003e branco\u003c\/li\u003e\n  \u003cli\u003eOdor\u003cstrong\u003e:\u003c\/strong\u003e inodoro\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e aprox. 1,8 (50 g\/l H₂O, 20°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePonto de fusão:\u003c\/strong\u003e 153°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperatura de decomposição:\u003c\/strong\u003e 175°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperatura de autoignição:\u003c\/strong\u003e 345°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressão de vapor:\u003c\/strong\u003e \u0026lt; 0,1 hPa (20°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDensidade:\u003c\/strong\u003e 1,665 g\/cm³ (20°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDensidade aparente:\u003c\/strong\u003e 800-1000 kg\/m³\u003c\/li\u003e\n  \u003cli\u003eSolubilidade\u003cstrong\u003eem água:\u003c\/strong\u003e muito solúvel (aprox. 1630 g\/l a 20°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolubilidade em solventes orgânicos:\u003c\/strong\u003e dados não disponíveis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePropriedades analíticas\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePureza:\u003c\/strong\u003e 99,5-100,5%.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComponentes insolúveis em água:\u003c\/strong\u003e máx. 0,005%.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResíduo após calcinação (SO₄):\u003c\/strong\u003e máx. 0,03%.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCloretos (Cl):\u003c\/strong\u003e máx. 0,001%.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFosfatos (PO₄):\u003c\/strong\u003e máx. 0,001%.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnxofre total (SO₄):\u003c\/strong\u003e máx. 0,01%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetais pesados (Pb):\u003c\/strong\u003e máx. 0,0005%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCálcio (Ca):\u003c\/strong\u003e máx. 0,005%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFerro (Fe):\u003c\/strong\u003e máx. 0,0005%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubstâncias que escurecem sob a influência de H₂SO₄:\u003c\/strong\u003e conforme norma.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAdvertências e classificação\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePictograma de perigo:\u003c\/strong\u003e! (Ponto de exclamação)\u003c\/li\u003e\n  \u003cli\u003eFrases H\u003cstrong\u003e:\u003c\/strong\u003e H319 - Provoca irritação ocular grave\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrases P:\u003c\/strong\u003e P305+P351+P338 - EM CASO DE CONTATO COM OS OLHOS: Lavar cuidadosamente com água durante vários minutos. Remover as lentes de contacto, se presentes e se for fácil de fazer. Continuar a lavar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCondições de armazenamento recomendadas\u003c\/h2\u003e\n\u003cp\u003eArmazenar num local fresco, seco e bem ventilado. Proteger da humidade e da luz.\u003c\/p\u003e\n\n\u003ch2\u003eNotas\u003c\/h2\u003e\n\u003cp\u003eO ácido cítrico anidro é frequentemente utilizado em laboratórios químicos, na indústria alimentar, em cosméticos e como reagente para análises químicas.\u003c\/p\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55394480095580,"sku":"CHEM-115382111-25g","price":9.98,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/943ed848029ee0d4e7b179038a9c99b9.jpg?v=1756887989","url":"https:\/\/akjaerkrdxem.shop\/pt\/products\/zitronensaure-czda-frei-25g","provider":"Biolaboratorium","version":"1.0","type":"link"}