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Home > Active Pharmaceutical Ingredients > Antibiotics > Calcium ascorbate dihydrate for Sale > Most Professional Chinese Factory Supply High Quality Calcium Ascorbate Ascorbic Acid Calcium Salt CAS 5743-27-1 5743-28-2
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Most Professional Chinese Factory Supply High Quality Calcium Ascorbate Ascorbic Acid Calcium Salt CAS 5743-27-1 5743-28-2

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Unit Price: Get Latest Price
CAS No.:

5743-28-2

Grade:

Pharmaceutical Grade

Content:

99%

Port:

SHANGHAI

Brand:

HyperChem

Packaging:

10g/bag, 50g/bag, 100g/bags or other quantities

Price valid (until):

2025-11-14

Company Type:
Trader
Location:
China
Qualification:
Main Products:

Pharmaceuticals,Peptide,Cosmetics,Nutritional Supplements

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    Name

    Calcium ascorbate dihydrate

    CAS number

    5743-28-2

    Description

    Calcium Ascorbate Dihydrate is a mineral salt of ascorbic acid (Vitamin C), where the acidic protons of the molecule are replaced by a calcium ion, and the crystal structure incorporates two water molecules (dihydrate).

    Structural formula

     Shop Most Professional Chinese Factory Supply High Quality Calcium Ascorbate Ascorbic Acid Calcium Salt CAS 5743-27-1 5743-28-2-Detailed Image 1

    Molecular Formula

    C6H12CaO7

    Molecular Weight

    236.23 g/mol

    Appearance

    White powder

    Quality Standard

    99%

    Storage Condition

    Cool dry place( away from the light)

    Shelf Life

    >2 years if stored properly

    Sample package

    Aluminium foil bag

    Commercial package

    Aluminium Tin, Fiber drum

    Origin

    China

     

    Calcium Ascorbate Dihydrate More Info

    Calcium Ascorbate Dihydrate is a mineral salt of ascorbic acid (Vitamin C), where the acidic protons of the molecule are replaced by a calcium ion, and the crystal structure incorporates two water molecules (dihydrate). This compound was developed to provide a non-acidic, buffered, and well-tolerated source of Vitamin C. The neutralization process significantly reduces the acidity of pure ascorbic acid, which can cause gastrointestinal discomfort in some individuals. The calcium salt form is highly stable and water-soluble, making it suitable for various formulations. Its development addressed the need for a form of Vitamin C that could be used in high doses without the associated gastric irritation, while also providing a bioavailable source of calcium.

     

    Uses and Applications

    The primary applications of Calcium Ascorbate Dihydrate are in the dietary supplement, food fortification, and pharmaceutical industries. It is widely used in vitamin C supplements, especially those marketed for individuals with sensitive stomachs, as it is gentler on the digestive system. In the food industry, it functions as both a nutrient fortifier (adding both Vitamin C and calcium) and an antioxidant preservative in products like meat, beverages, and canned goods to prevent spoilage and discoloration. It is also utilized in certain pharmaceutical preparations where a non-acidic excipient or active ingredient is required. Furthermore, it finds use in cosmetic formulations for its antioxidant properties.

     

    Application Market

    The market for Calcium Ascorbate Dihydrate is a significant and growing segment within the broader vitamin and mineral supplement market. Demand is driven by consumer preference for gentler, more bioavailable mineral ascorbate forms of Vitamin C. It is positioned as a premium, value-added ingredient compared to basic ascorbic acid. The market is global, with strong demand in North America, Europe, and the Asia-Pacific region, distributed through supplement brands, food manufacturers, and pharmaceutical companies. It is supplied by numerous chemical and ingredient manufacturers in various grades, from food-grade to pharmaceutical-grade, catering to different industry needs and regulatory standards.

     

    Important Considerations

    While Calcium Ascorbate Dihydrate is generally recognized as safe (GRAS) and well-tolerated, its use requires some specific considerations. The calcium content (approximately 10% by weight) must be accounted for in a user's total daily calcium intake to avoid potential excessive mineral consumption. For industrial handlers, standard good manufacturing practices should be followed, and while it is non-irritating, dust generation should be controlled. The dihydrate form requires proper storage in a cool, dry place in sealed containers to prevent caking or loss of crystalline water, which could affect dosage accuracy in formulations. When used in supplements or food, labeling must accurately reflect the source of Vitamin C and calcium. As with any supplement, recommended daily intakes should not be excessively exceeded without medical consultation.


    Package Image

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    FAQ

    Q1. Can I get a free sample?

    We can send you a samll free sample, and you only need to pay for the shipping cost.


    Q2. What is the HyperChem payment term?

    T/T in advance
    LC at sight
    DP at sight

    Bank transfer

    PayPal

    Bitcoin...


    Q3. What is HyperChem shipment policy?

    Our policy is to strive for the quickest shipment time possible.

    For ready stock samples, they are usually shipped within 3 working days after payment received.
    For non-ready stock, please contact HyperChem sales team to negotiate.


    Q4. What is HyperChem shipment term?

    By Express  
    FedEx  UPS  DHL  EMS                               
    Fast: 3-7 days around, high cost, door to door service

    By Air                                        
    Suitable for more than 50kg 
    Fast: 3-7 days, hight cost, port to port, professional broker needed 

    By Sea
    Suitable for more than 500kg      
    Fast: 7-45 days, low cost, port to port, professional broker needed 


    We will always attempt to utilize the quickest and most affordable way for customers to receive orders. And follow -up with customers via email for all shipment details as well as updated track information until it arrives without damage.


    Q5. What HyperChem will provide after shipment?

    For sample orders: 
    After shipment is done, an timely email including:

    1. Track details (Fedex /TNT/DHL/EMS Track number)
    2. Packaging photo
    3. COA, MSDS, etc
    4. Dispatch date & Estimated arriving time
    5. Shipping invoice

    For commercial orders
    A full set of shipment documents as well as package photos can be provided in scan-copy and original, to help customers complete the customs clearance process.



    Company Profile

    Established in 2013, Hyper Chem has exclusive tie-ups with leading manufacturers, supplying raw materials produced in GMP and ISO 9002 certified facilities, and provides high-quality ingredients and raw materials to cater to the requirements of our diverse range of clients.


    Among them, our key client industrial sectors around the global are:

    Pharmaceuticals
    Nutrition Ingredients/ Dietary supplements
    Cosmetic Ingredients
    Food Ingredients
    Veterinary API
    Agriculture fertilizer
    Custom Synthesis lab supply


    HyperChem provides to its wonderful and honorable clients comprehensive purchasing and distribution services which ensure that we are delivering the right generic, raw, or customized product, make sure that we are delivering it at the right time, ensure that it is delivered in the specified amount, and in the right kind of packaging to clients and customers of all types of industries irrespective of their size of operation.




    Certificates

    Basic Info
    Product Name:

    Calcium ascorbate dihydrate

    Other Name:

    L-Ascorbic acid,calcium salt,hydrate (2:1:2);L-Ascorbic acid,calcium salt (2:1),dihydrate;Calcium ascorbate dihydrate;Calcium L-ascorbate dihydrate;6381-95-9

    CAS No.:

    5743-28-2

    Molecular Formula:

    C6H8O6.1/2Ca.H2O

    InChIKeys:

    InChIKey=LHWGPZNOMLGEIB-PQYRJTSOSA-N

    Molecular Weight:

    426.34

    Exact Mass:

    426.032257

    EC Number:

    227-261-5

    DSSTox ID:

    DTXSID3047687

    Color/Form:

    White crystalline powder

    HScode:

    2936270000

    Categories:

    Antibiotics

    Characteristics
    PSA:

    222

    XLogP3:

    -3.09760

    Appearance:

    white to slightly yellow crystalline

    Melting Point:

    166 °C (dec.)(lit.)

    Boiling Point:

    415.8°C at 760 mmHg

    Flash Point:

    300 °C

    Water Solubility:

    INSOL IN ETHER

    Specific rotation:

    [α]D/20 between + 95° and + 97° (5 % w/v aqueous solution)

    Odor:

    ODORLESS

    PH:

    Between 6,0 and 7,5 (10 % aqueous solution)

    Experimental Properties:

    Triclinic crystals. Specific optical rotation: +95.6 deg @ 20 °C/D (2.4%). Freely sol in H2O; practically insol in methanol, ethanol. Aq soln are neutral and oxidize quickly. /Dihydrate/|A white to slightly yellow crystalline powder; odorless. Soluble in water; slightly soluble in alcohol; insoluble in ether. pH of 10% soln is between 6.8 and 7.4. /Dihydrate/

    Hazard Identification

    Classification of the substance or mixture

    Not classified.

    GHS label elements, including precautionary statements

    Pictogram(s) No symbol.
    Signal word

    No signal word

    Hazard statement(s)

    none

    Precautionary statement(s)
    Prevention

    none

    Response

    none

    Storage

    none

    Disposal

    none

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Pharmaceuticals,Peptide,Cosmetics,Nutritional Supplements

    Location:

    Rm. 803, Tower 4, LOFT49 Creative City Pioneer Zone, No.88 Jiru Rd. Gongshu Dist., Hangzhou, 310015 ZJ, China

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    10

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    11-50

    Year of Establishment:

    2013

    Certifications:

    Certification Report by Bureau Veritas

    About HyperChem

    Established in 2013, Hyper Chem has exclusive tie-ups with leading manufacturers, supplying raw materials produced in GMP and ISO 9002 certified facilities, and provides high-quality ingredients and raw materials to meet the needs of a diverse range of pharmaceutical cosmetics ingredients and nootropic supplements companies worldwide.

    Our Competitiveness

    One-stop supply

    Wide Range Of products including pharmaceutical, Cosmetic Ingredients and nootropic supplements

    Among all the pharmaceuticals,

    90% of them with GMP certificates,

    85% of them with DMF files and

    50% of them passed FDA approval,

    30% get CEP certificate

    20% are new R&D products.

    Custom Repackaging Service


    We can efficiently repackage your material into sample sizes, custom batch-specific sizes, or semi-bulk package sizes according to your specifications. And ensures the product is packaged in a quality-controlled environment and will maintain its integrity throughout every stage of the process.

    Quality Control/Quality Assurance


    HyperChem is committed to delivering on its promises of top-quality products with verified quality data.

    All materials are vigorously inspected by the factory and/or outsourced analytical laboratories to ensure each and every lot meets or exceeds our reference standards.

    Trade assurance service with 100% payment protection, It is best achieved by delivering products and services 100% right the first time, on time, every time.

    Professional

    Transparent Communication

    Fast Reaction,

    Professional Suggestion

    Beyond Expectation.

    We have exclusive partnerships with research and production facilities across the country and we offer varied pharmaceutical services in the most cost-efficient way. The production facilities are GMP, WHO-GMP, EU GMP and US FDA approved and are backed by strong regulatory support such as Dossier, DMF, Tech Pack and relevant Stability studies for regulatory filings.

  • Inquiry History
    7 Inquiries
    Country Product Purchase Quantity Date Posted
    Pakistan

    Vitamin C calcium

    1.00 KG Nov 27, 2025
    Pakistan

    Vitamin c

    500.00 KG Jan 15, 2026
    Egypt

    Vitamin C calcium

    25.00 KG Oct 14, 2025
    Pakistan

    Ascorbic Acid (Vitamin C)

    1.00 20' Fcl Dec 23, 2025
    Pakistan

    Ascorbic Acid (Vitamin C)

    1.00 20' Fcl Oct 13, 2025
    India

    L-Carnosine

    1.00 KG Oct 11, 2025
    Bangladesh

    Butyl Acetate

    1.00 KG Nov 11, 2025
    Post an enquiry for this product
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