U.S.-based Ascorbic Acid Supplier

Ascorbic Acid (Vitamin C)

CAS 50-81-7

US Warehouse : 24h-72h delivery

Packaging:

25 kg (55 lb) boxes

1 MT pallets

FCL / container-load

Documents: COA • SDS • Kosher • Halal • Non-GMO

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SDI Chemicals supplies food-grade Ascorbic Acid (Vitamin C) from U.S. stock for manufacturers, importers, and distributors in the United States. Documentation including COA and SDS is available upon request.

Why SDI Сhemicals?

  • Quality Control

    Our ascorbic acid undergoes stringent testing to ensure it meets international standards, including USP, EP, FCC, and BP2021.

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    Every batch is inspected to deliver purity levels between 99.0% and 100.5%.

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    Manufactured using advanced techniques, our product guarantees consistency and effectiveness.

  • Fast and Flexible Shipping (USA)

    We ship within the United States only from our U.S. warehouse.

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    55 lb (25 kg) cases ship via domestic carriers with shipping calculated at checkout.

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    For 1 MT pallets and full container loads (FCL), we provide fast freight quotes based on destination and delivery requirements.

  • Storage (FDA-Compliant Warehouse)

    Stored in an FDA-compliant U.S. warehouse under controlled conditions to protect product quality and stability.

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    We follow strict handling practices to keep the product clean, dry, and protected from light and moisture, with full lot traceability (COA/SDS available upon request).
Items Standard Test
Appearance White crystalline powder USP
Identification Positive USP
Clarity of solution Clear EP
Color of solution ≤ BY7 EP
Assay 99.0~100.5% USP
Loss on Drying ≤ 0.4% E300
Residue on ignition ≤ 0.1% USP
Specific rotation 20.5°~21.5° USP
PH(with 2% water solution) 2.4-2.8 E300
PH(with 5% water solution) 2.1-2.6 EP
Melting range About 190°C EP
Heavy metals ≤ 3ppm USP
Iron ≤ 2ppm EP
Copper ≤ 2ppm EP
Impurity E ≤ 0.2% EP
Arsenic ≤ 1ppm USP
Lead ≤ 1ppm FCC
Cadmium ≤ 1ppm
Mercury ≤ 0.1ppm E300
Organic volatile impurities Methanol ≤ 3000ppm USP
Related Substances Impurity C ≤ 0.15%
Impurity D ≤ 0.15%
Any Other Unspecific Impurity ≤ 0.10%
Total Impurity ≤ 0.2% 		EP
Total Plate Count ≤ 1,000cfu/g
According to BP2021/USP43/FCC12/EP10/E300

Package Specification

At SDI chemicals, we ensure that our packaging meets the highest standards to protect product integrity and ensure convenience for our clients. Our packaging not only maintains the product's quality but also facilitates safe handling and storage. Additionally, we comply with international packaging standards to meet the diverse needs of our clients.

Inner package

Material: PE
Color: White or Blue
Dimensions: 33.5" x 22.5"
Thickness: 0.1 mm
Net weight: 55 lb
Gross weight: 57.8 lb

Outer package

Material: Double corrugated carton
Color: Brown
Dimensions: 14.2" x 10.8" x 12"
Net weight: 55 lb
Gross weight: 57.8 lb

Storage and Shelf Life

  • Storage Conditions: store in a well-sealed, non-metallic container, away from light and moisture
  • Shelf Life: up to 36 months under proper storage conditions. Once opened, use the product as quickly as possible to maintain its quality

Industries We Serve

  • Water Treatment & Environmental Services

  • Agriculture & Animal Nutrition

  • Chemical & Industrial Applications

  • Food & Beverage Manufacturing

  • Healthcare & Pharmaceuticals

  • Cosmetics & Personal Care

  • Nutritional Supplements

  • Ask about your industry

    Have questions about your application? Contact our technical team for expert advice.

    Reach out here.

Sustainability and Ethical Practices

At SDI Chemicals, we prioritize environmental responsibility across our entire product portfolio. Our products are sourced and manufactured using responsible practices aimed at minimizing environmental impact while maintaining high quality standards. We also uphold strict ethical guidelines throughout our supply chain, ensuring transparency, compliance, and fairness in every transaction.

Customer-Centric Approach

Personalized Solutions: We understand that every business is unique. That’s why we offer customized solutions tailored to your specific needs, whether it’s bulk orders, specialized packaging, or expedited shipping.

Reliable Support: Our dedicated customer service team is here to assist you at every step. From placing an order to post-delivery support, we’re committed to ensuring your satisfaction.

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