Product
Supplier
Encyclopedia
Inquiry
Home > Dyes and Pigments > Dye > Erythrosine for Sale > ERYTHROSIN B Dideu
ERYTHROSIN B Dideu buy - large image1
ERYTHROSIN B Dideu buy - image1
ERYTHROSIN B Dideu buy - image2

ERYTHROSIN B Dideu

1 Inquiries

Unit Price:

$300/KG FOB

Get Latest Price
CAS No.:

16423-68-0

Port:

shanghai

Packaging:

1KG/Bottle

Price valid (until):

2026-11-19

Company Type:
Manufactory
Location:
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:
7 days
Qualification:
Main Products:

Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Erythrosin B
    CAS Number: 16423-68-0
    Synonyms: Acid Red 51, FD&C Red No.3, CI 45430
    Molecular Formula: C20H6I4Na2O5
    Molecular Weight: 879.86 g/mol
    Chemical Class: Xanthene dye


    Product Description

    Erythrosin B is a water-soluble red xanthene dye containing four iodine substituents, which provide strong fluorescence and high staining intensity.
    It is widely used in biological staining, food testing, pharmaceutical labeling, and analytical chemistry.
    The product is available in high-purity industrial and laboratory grades to meet various application requirements.

    1. Biological & Microscopy Staining

    • Commonly used for vital staining, cytoplasm staining, and bacteriological analysis

    • Serves as a substitute for eosin in histological applications

    • Provides strong fluorescence, suitable for fluorescent microscopy

    2. Analytical & Diagnostic Use

    • Used in photodynamic studies

    • Employed as a photosensitizer in bioassays

    • Useful for protein and sample labeling in electrophoresis

    3. Food & Pharmaceutical Applications

    • Previously used as FD&C Red No. 3 in food coloring

    • Current use restricted in certain regions depending on regulatory compliance

    • Employed as colorant in cosmetics, tablets, coatings (depending on grade & certification)


    Technical Specifications

    Item Specification
    Appearance Red to reddish-brown powder
    Purity ≥95% / ≥98% / ≥99% (customizable)
    Solubility Highly soluble in water; slightly soluble in ethanol
    λmax (Water) ~ 530 nm
    Stability Stable under proper storage conditions

    Packaging & Storage

    • Packaging Options: 25g / 100g / 500g / 25kg drum (custom available)

    • Storage: Keep sealed, avoid light & humidity; store at room temperature

    • Shelf Life: 2 years if stored properly


    Safety & Regulatory

    • Handle with standard laboratory PPE

    • Regulatory compliance (e.g., USP, EP, food-grade) available per customer requirement

    • Refer to MSDS for detailed toxicological data


    Why Choose Our Erythrosin B

    • High purity & consistent batch quality

    • Low impurity control for biological & analytical use

    • Technical documents support: COA, MSDS, TDS

    • Flexible order quantities: small R&D packages to bulk supply

    • Global logistics service with stable lead time

    ECHEMI Editorial Reference
    Red to brown powder ChEBI: An organic sodium salt that is the disodium salt of 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-8a,10a-dihydroxanthen-9-yl)benzoic acid.FD & C Red No. 3 is principally the disodium salt of the monohydrate of 9(ocarboxyphenyl)-6-hydroxy-2,4,5,7-tetraiodo-3H- xanthen-3-one. The colorant is a brown powder that dissolves in water to give a solution red at neutrality, with a yellow-brown precipitate in acid, and with a red precipitate in base.

    Basic Info
    Product Name:

    Erythrosine

    Other Name:

    Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one,3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-,sodium salt (1:2);Fluorescein,2′,4′,5′,7′-tetraiodo-,disodium salt;Erythrosine B;Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one,3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-,disodium salt;Erythrosine BS;Erythrosine;FD and C Red No. 3;Erythrosin;1427 Red;1671 Red;C.I. 45430;Aizen Erythrosine;Calcocid Erythrosine N;Canacert Erythrosine BS;Cilefa Pink B;C.I. Acid Red 51;C.I. Food Red 14;Dolkwal Erythrosine;Edicol Supra Erythrosine A;Erythrosine 3B;Erythrosine Bluish;Erythrosine Extra Conc. A Export;Erythrosine Extra Pure A;Erythrosine K-FO;Erythrosine B-FO;Erythrosine TB;Erythrosine TB Extra;Hexacert Red No. 3;Hexacol Erythrosine BS;Maple Erythrosine;New Pink Bluish Geigy;Tetraiodofluorescein sodium salt;Usacert Red No. 3;Erythrosine Extra;Food Dye Red 3;Acid Red 51;Food Red 14;D and C Red No. 3;2′,4′,5′,7′-Tetraiodofluorescein disodium salt;Erythrosin B sodium salt;FD&C Red No. 3;2,4,5,7-Tetraiodofluorescein disodium salt;Food Color Red 3;Food Red No. 3;E 127;Erythrosine extra bluish;S 887;Japan Red 3;Aizen Food Red 3;Japan Red No. 3;Erythrosine I;FDC Red 3;Synerid;Edicol Supra Erythrosin AS;Erythrosin BS;Red 1799;FDC Red 3 dye;Erythrosin B;Ceplac;FD and C Red 3;Food Red 3;D&C Red No. 3;Erythrosine 307046;Water Pink 176575;Neelicol Erythrosine;FD & C Red No. 3-307020;Erythrosine 36003;1342-20-7;1342-21-8;1342-28-5;16904-63-5;27540-70-1;72027-96-4;111634-12-9;145361-15-5;198832-03-0;658700-90-4

    CAS No.:

    16423-68-0

    Molecular Formula:

    C20H8I4O5.2Na

    InChIKeys:

    InChIKey=DVUWFIWQOSNKQJ-UHFFFAOYSA-N

    Molecular Weight:

    879.86

    Exact Mass:

    879.618896

    EC Number:

    240-474-8

    HScode:

    32129000

    Categories:

    Dye

    Characteristics
    PSA:

    81.6

    XLogP3:

    -0.05 (est)

    Appearance:

    Deep red to brown Fine Powder

    Density:

    0.8-1.0 kg/cu m (limit)

    Melting Point:

    142~144℃

    Boiling Point:

    693.2ºC at 760 mmHg

    Flash Point:

    285℃

    Water Solubility:

    100g/l

    Storage Conditions:

    Store at +5°C to +30°C.

    Vapor Pressure:

    2.22E-16mmHg at 25°C

    Toxicity:

    LD50 in male, female mice, male, female rats (g/kg): 0.40, 0.32, 0.34, 0.37 i.p.; 6.7, 6.9, 7.4, 6.8 orally (Butterworth); LD50 in mice, rats (mg/kg): 2558, 2891 orally (Yankell)

    Hazard Identification

    Classification of the substance or mixture

    Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 2

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H412 Harmful to aquatic life with long lasting effects

    Precautionary statement(s)
    Prevention

    P273 Avoid release to the environment.

    Response

    P391 Collect spillage.

    Storage

    none

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    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:

    Manufactory

    Main Products:

    Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst

    Location:

    https://www.dideu.com/en/

    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:

    7 days

    Total Annual Revenue:

    Above $100 million

    Total Employees:

    Above 1000

    Year of Establishment:

    2016

    Company Certificates
    • Shaanxi Dideu Medichem Co. LtdISO Certificate ISO Certificate
    • Shaanxi Dideu Medichem Co. LtdREACH REACH
    Company Profile
    ">Company Profile
  • Inquiry History
    1 Inquiries
    Country Product Purchase Quantity Date Posted
    Switzerland

    Érythrosine B

    100 G Oct 31, 2025
    Post an enquiry for this product
pic ×

Scan the QR Code to Share

All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.

According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.

The information shown above is provided by the enterprise itself, and the authenticity, accuracy and legitimacy of the content are the responsibility of the publishing company. ECHEMI does not bear any guarantee responsibility for this. Please be aware that risks in internet transactions objectively exist.

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.