Check the listing for details. Tetrahydroxyquinone disodium salt, 98% by complexometric, Redox indicator, 25g. Condition: New. Listed at 180.00 USD. IMPORTANT INFORMATION & LINKS PERTAINING TO THIS PRODUCT FOR RESEARCH & DEVELOPMENT Not for direct use in food, cosmetics and or pharmaceuticals Guaranteed that our products meet the grade, purity, and impurities listed on the COA. If you need and item and don’t see that item, email us for a special quote, we ship world-wide. Tetrahydroxyquinone disodium salt 98% by complexometric, Redox indicator 2,3,5,6-Tetrahydroxy-1,4-benzoquinone disodium salt; Tetrahydroxy-1,4-benzoquinone disodium salt; Tetrahydroxy-p-benzoquinone disodium salt; Product Application’s Barium and sulfate titration indicator. Also, effector of xanthine oxidase. Safety Data Sheets (MSD’s) /assets/images/Tetrahydroxyquinone disodium salt.pdf Certificate of Analysis (COA’s) /assets/images/Tetrahydroxyquinone disodium salt, 98 by complexometric, Redox Indicator, 795130.pdf Quantity Control /assets/images/Quantity Assurance Certificate.pdf Business Relationship (Seller & Buyer) /assets/images/Business Relationship.pdf Disclaimer /assets/images/GTI Disclaimer.pdf UPS-DHL Shipping Capability /assets/images/Shipping Capability.pdf GTI Laboratories Supplies Division of Green Technologies of Houston, Inc. WARFIGHTER.GOV Vendor 5611 Northdale Street, Houston, TX 77087 Wayne Mosley, CEO/Analytical chemist wmosleychemist@msn.com 804-240-4719 All canceled orders after 12-hour window, -20% restock fee. International returned order that customer didn’t complete their obligations for their country: duties, taxes, permits, etc. -50% restock fee and all S&H forfeit.