Disodium (2E)-3,3'-Dioxo-1,1',3,3'-Tetrahydro-2,2'-Biindole-5,5'-Disulfonate

Product Name Disodium (2E)-3,3'-Dioxo-1,1',3,3'-Tetrahydro-2,2'-Biindole-5,5'-Disulfonate
Alias Indigo Carmine
Einecs 225-013-0
Mininmum Order 1 g
Factory Site West Ujimqin Banner, Xilingol League, Inner Mongolia, China
Price Inquiry sales9@alchemist-chem.com
Manufacturer Ccount Chem
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Specifications

HS Code	778477
Chemical Name	Disodium (2E)-3,3'-Dioxo-1,1',3,3'-Tetrahydro-2,2'-Biindole-5,5'-Disulfonate
Molecular Formula	C16H8N2Na2O8S2
Molecular Weight	502.35 g/mol
Appearance	Orange to brown powder
Solubility	Soluble in water
Cas Number	3564-18-9
Melting Point	Decomposes before melting
Synonyms	Disodium Indigo Disulfonate
Odor	Odorless
Ph In Solution	6.0 - 8.0 (1% solution in water)
Storage Temperature	Room temperature (15-25°C)
Stability	Stable under normal conditions
Common Use	pH indicator (Indigo Carmine), dye
Color Index Number	CI 73015
Ec Number	222-657-4

As an accredited Disodium (2E)-3,3'-Dioxo-1,1',3,3'-Tetrahydro-2,2'-Biindole-5,5'-Disulfonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

Packing & Storage

Packing	The packaging is a 100g sealed amber glass bottle with a tamper-evident cap, labeled with chemical name, formula, and hazard symbols.
Storage	Disodium (2E)-3,3'-Dioxo-1,1',3,3'-tetrahydro-2,2'-biindole-5,5'-disulfonate should be stored in a tightly sealed container, protected from moisture and direct sunlight. Keep in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Store at room temperature and avoid exposure to extreme heat or humidity. Ensure proper labeling and restrict access to authorized personnel.
Shipping	Shipping of Disodium (2E)-3,3'-Dioxo-1,1',3,3'-Tetrahydro-2,2'-Biindole-5,5'-Disulfonate should comply with applicable chemical transport regulations. Package securely in tightly sealed containers, protected from moisture and incompatibles. Include appropriate labeling and safety documentation (SDS). Ship at ambient temperature unless otherwise specified, and ensure handling by trained personnel for hazardous chemicals if required.

Free Quote

Competitive Disodium (2E)-3,3'-Dioxo-1,1',3,3'-Tetrahydro-2,2'-Biindole-5,5'-Disulfonate prices that fit your budget—flexible terms and customized quotes for every order.

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Tel: +8615651039172

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