Contact SDI Chemicals

SDI Chemicals supplies food ingredients and specialty chemicals from U.S. stock — vitamin C systems, sweeteners, preservatives and acidulants, antioxidants, amino acids, hydrocolloids and mineral salts. We serve manufacturers, importers and distributors across the United States.

Sales: +1 (888) 533-3208 · sales@sdichemicals.com · Mon–Fri, 9:00 AM – 6:00 PM ET. We reply within 1 business day. Stock ships from our FDA-registered warehouse in Chicago, IL.

Three ways to order

• Buy online — Ascorbic Acid (Vitamin C) USP/FCC, 25 kg (55 lb) case. In stock, dispatched in 24–72 h.
• Request a quote — any catalog product, from a single case to full container loads: Request a quote.
• Open a wholesale account — saved pricing and faster reorders for repeat buyers: Apply for a wholesale account.

Quoting: what we need from you

The comment field below is pre-filled with this checklist. Fill in what you know — the rest we confirm by email.

• Product & grade — e.g. Citric Acid Anhydrous, USP/FCC
• Quantity — cases, pallets, metric tons, or container size (20' / 40')
• Delivery ZIP code and delivery type (business dock, residential, limited access)
• Accessorials — liftgate, delivery appointment
• Needed by — ASAP or a target date
• Documents — COA per lot, SDS, Kosher, Halal, Non-GMO, Country of Origin

Technical and regulatory questions

Specification, compatibility, dosage and documentation questions go to sales@sdichemicals.com and are routed to our technical team.

Browse the catalog

• Vitamin C & Ascorbates
• Sweeteners
• Preservatives & Acidulants
• Antioxidants
• Sports Nutrition & Nutraceuticals
• Hydrocolloids & Texturants
• Mineral Salts & Chelates
• All products