{"product_id":"indigo-carmine-80-dye-content-25g","title":"Indigo Carmine, 80+% (Dye Content), 25g","description":"\u003cul\u003e\u003cli\u003ePackaged in a white HDPE bottle\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eSynonyms: C.I. 73015 CAS: 860-22-0 Empirical Formula: C16H8N2Na2O8S2 Molecular Weight: 466.35 g\/mol Test Specification Description Dark blue to purple powder Dye content (dried basis) 80% min. Loss on drying 5.0% max. Visual Transition Interval From pH 11.5 (blue) to pH 14.0 (yellow) Aqueous solubility 1g in 100ml at 25 Deg. C Subsidiary dyes, excluding disodium 3,3-dioxo 2,2-bi-indolylidine-5,7 disulfonate 1.0% max. Dye Intermediates 0.5% max. Arsenic 8 ppm max. Lead 0.001% max. Sulfur 13.0 - 14.0% Mercury 1 ppm max. Cadmium 1 ppm max. Heavy metals (as Pb) 40 ppm max.\u003c\/p\u003e","brand":"Chemsavers","offers":[{"title":"Default Title","offer_id":45409926905903,"sku":"B07DF7RNDH","price":112.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/3498\/9615\/files\/71YkiW-B04L._AC_SL1500.jpg?v=1780426737","url":"https:\/\/www.coziecorners.com\/products\/indigo-carmine-80-dye-content-25g","provider":"CozieCorners","version":"1.0","type":"link"}