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Home › Product Catalog › 2,4,5-7-Tetrabromofluorescein disodium salt

2,4,5-7-Tetrabromofluorescein disodium salt

CAS 548-26-5C20H6Br4Na2O5MW 691.9

2,4,5-7-Tetrabromofluorescein disodium salt (CAS No. 548-26-5) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Inorganic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.

Specifications

CAS Number548-26-5
Molecular FormulaC20H6Br4Na2O5
Molecular Weight691.9
Purity按批次COA提供(不公开发布)
Packaging按订单/批次确认(不公开发布)
ApplicationsInorganic Chemicals
CategoryInorganic Chemicals

Where it is used

Inorganic Chemicals

Packaging & Supply

Packaging按订单/批次确认(不公开发布)
Purity按批次COA提供(不公开发布)
StorageSealed, cool and dry place
Lead TimeIn stock / per order

Documents & Support

COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.

Frequently Asked Questions

What is the CAS number of 2,4,5-7-Tetrabromofluorescein disodium salt?

The CAS number of 2,4,5-7-Tetrabromofluorescein disodium salt is 548-26-5.

What purity and packaging are available?

Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.

What are the applications of 2,4,5-7-Tetrabromofluorescein disodium salt?

Main applications include Inorganic Chemicals.

How do I buy 2,4,5-7-Tetrabromofluorescein disodium salt or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Description

2,4,5-7-Tetrabromofluorescein disodium salt · CAS 548-26-5 · C20H6Br4Na2O5. UNII TDQ283MPCW. Color Additive Status: 74.1322; Color Additive Status: 74.2322; Color Additive Status: 82.1322.

Identification

CAS Registry Number548-26-5
PubChem CID11048
Molecular formulaC20H6Br4Na2O5
IUPAC namedisodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate
UNII (FDA)TDQ283MPCW

Computed Descriptors

Molecular Weight691.9
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count1
Exact Mass691.67031
Monoisotopic Mass687.67441
Topological Polar Surface Area89.5
Heavy Atom Count31
Formal Charge0
Complexity796

Physical & Chemical Properties

Color Additive Status74.1322
Color Additive Status74.2322
Color Additive Status82.1322

Physical description & handling notes

  • Eosin is a red crystalline powder. (NTP, 1992)
  • Red with a bluish tinge or brownish-red solid; [Merck Index]
  • 572 °F (decomposes) (NTP, 1992)
  • greater than or equal to 100 mg/mL at 70 °F (NTP, 1992)
  • D&C Red No. 22
  • Drugs, Cosmetics

Regulatory Status

Regulatory & Food ContactFDA Regulatory Status of Color Additives: Drugs, Cosmetics
COLOUR: Food Additives
CI ACID RED 87
NMRS 38/TRS 309-JECFA 8/22
CI PIGMENT RED 90
EOMINE Y
GHS notification summary7% (47 / 671)

GHS Hazard Classification

GHS notification summary7% (47 / 671)
Reported hazard statementsH319 (87%), H341 (50%)

This chemical does not meet GHS hazard criteria for 7% (47 of 671) of reports.

H319 (87%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Documented Uses

  • Pulp and Paper Processing [Category: Industry]
  • Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
  • Food Additives -> COLOUR -> JECFA Functional Classes
  • Cosmetics -> Cosmetic colorant; Hair dyeing
  • Chemicals that emit light after excitation by light. The wave length of the emitted light is usually longer than that of the incident light. Fluorochromes are substances that cause fluorescence in other substances, i.e., dyes used to mark or label other compounds with fluorescent tags.
  • D08 - Antiseptics and disinfectants

Synonyms

Acid red 87; Eosin; Eosin yellowish; Eosine Yellowish; Eosine; Eosine G; Eosin YS; Sodium eosine; Bromo acid; Eosine Y; Bromofluorescein; Sodium eosinate; Bronze Bromo; Certiqual Eosine; Bromo Fluorescein; Eosine A

Frequently Asked Questions

What are the CAS number and molecular formula of 2,4,5-7-Tetrabromofluorescein disodium salt?

CAS 548-26-5; molecular formula C20H6Br4Na2O5; molecular weight — g/mol.

What other names is 2,4,5-7-Tetrabromofluorescein disodium salt known by?

Acid red 87, Eosin, Eosin yellowish, Eosine Yellowish, Eosine, Eosine G.

What is the regulatory status of 2,4,5-7-Tetrabromofluorescein disodium salt?

Documented regulatory listings: FDA Regulatory Status of Color Additives: Drugs, Cosmetics; COLOUR: Food Additives; CI ACID RED 87.

Is 2,4,5-7-Tetrabromofluorescein disodium salt classified as hazardous?

7% of GHS notifications report no hazard classification (47 of 671).

What are the key physical properties of 2,4,5-7-Tetrabromofluorescein disodium salt?

Color Additive Status: 74.1322; Color Additive Status: 74.2322; Color Additive Status: 82.1322.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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