Structural Formula Acrylic Keychain: Spinach/Oxalic Acid

Even if the structural formula is unfamiliar, it might actually be a common substance you've heard of. Oxalic acid is responsible for the bitterness of spinach. Blanching is important! It's also said to be a cause of urinary stones. The metal fitting (carabiner) is shaped like a carrot! --- ・Product Lineup Carrot (Carotene) Tomato (Lycopene) Eggplant (Anthocyanin) Spinach (Oxalic Acid) Apple (Malic Acid) Lemon (Limonene) Coffee (Caffeine) Soy Milk (Isoflavone) Heart Equation Ramune (Glucose) Edamame (Folic Acid) If an item is out of stock, it will be made to order. ・Size Acrylic part approx. 5cm (Size varies depending on the design) ・Fittings The keychain fitting shown in the photo can be changed to a strap fitting free of charge. --- ※Colors and designs may be revised with each submission. Please note that there may be slight differences from the photos depending on the lot. ※As we are not chemistry experts, we may not be able to answer specialized questions.