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Molekula

Molekula

Erythrosin B (C.I. 45430) DC

SKU 18889974 CAS 16423-68-0 C20H6I4Na2O5 MW 879.85 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Erythrosin B (C.I. 45430 DC) is a synthetic fluorescent dye and food coloring, primarily used in cosmetics, pharmaceuticals, and biological staining due to its red-orange hue and fluorescent properties. It is also employed as a tracer in research applications. This chemical has a CAS number of 16423-68-0, a molecular formula of C20H6I4Na2O5, and a molecular weight of 879.85. It is stored at ambient conditions and carries a signal word of "Warning" for safety classification. Molekula supplies Erythrosin B from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

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Specifications

Property Value
Appearance Red powder
Identification ≤.In Water Of pH 7 at 526 nm
Water insoluble matter 0.000-0.200% (m)
Cadmium (Cd) 0.000-1.000 mg/kg
Lead (Pb) 0.000-2.000 mg/kg
Mercury (Hg) 0.000-1.000 mg/kg
Arsenic (As) 0.000-3.000 mg/kg
Total Colour/ Assay 87.000-100.000 %(m)
Ether extractable matter 0.000-0.200% (m)
Loss on drying at 135°C & chloride& sulphates expressed as sodium salt 0.000--13.000% (m)
Subsidiary Colouring Matters (Except Fluorescein) 0.000-4.000% (m)
Tri Iodo Resorcinol 0.000-0.200 % (m)
2(2,4-Di-Hydroxy-3,5-Di-Iodo Benzoyl ) Benzoic Acid 0.000-0.200 % (m)
Inorganic Iodide (as Sodium Iodide) 0.000-0.100 % (m)
Fluorescein 0.000-20.000 mg/kg

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 182 °C
Transport Class 9
Packing Group III
Acidity Neutral

Identification

Property Value
SKU 18889974
CAS Number 16423-68-0
Molecular Formula C20H6I4Na2O5
Molecular Weight 879.85
SMILES [Na].O=C1OC2(C=3C=CC=CC13)C4=CC(I)=C(O)C(I)=C4OC5=C(I)C(O)=C(I)C=C52
UN Number UN3077
REACH Code Y110
TSCA Listed Yes
HTS Code 3212900050
Tariff Code 3212900000

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • H302 Harmful if swallowed
  • H411 Toxic to aquatic life with long lasting effects

Precautionary statements

  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P308+313 IF exposed or concerned: Get medical advice/attention

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is Erythrosin B (C.I. 45430) DC commonly used for?

Erythrosin B is primarily used as a red dye in food, cosmetics, and biological stains, including applications in microscopy and histology.

What is the chemical formula and molecular weight of Erythrosin B?

The chemical formula is **C₂₀H₆I₄Na₂O₅**, and the molecular weight is **879.85 g/mol**.

How should Erythrosin B be stored?

Store Erythrosin B at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible substances.

What grade of Erythrosin B does Molekula supply?

Molekula supplies **DC (Dye Content) grade** Erythrosin B, suitable for high-purity applications like staining and coloring.

Can Molekula supply Erythrosin B in bulk quantities?

Yes, Molekula can provide Erythrosin B in bulk, with flexible packaging options to meet your specific requirements.

What documentation comes with an order of Erythrosin B?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **product specification sheet** for traceability and compliance.

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