Synonyms: Mordant Yellow 3R, CI 14095, 2-Hydroxy-5-((4-nitrophenyl)azo)benzoic acid monosodium saltCAS: 1718-34-9Molecular Formula: C13H8N3NaO5Molecular Weight: 309.21 g/molTestSpecificationAppearanceReddish-orange powderAssay90% min.Solubility (0.1% in ethanol)Clear yellow solutionLoss on drying at 110° C 1/hr5% max. This item will be shipped in accordance with FedEx/UPS carriers, per DOT 49CFR regulations, which will meet or exceed all of USPS regulations per 49CFR 172.101, published in Federal Register 10742. Note: eBay please do not delist.