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Indicators, Chelating Agents & Test Papers

Acid red 249

Available on request

Acid red 249 (CAS 6416-66-6) supplier Zemixal: C29H20ClN3Na2O10S3, COA and SDS with every lot, worldwide shipping. Packs from 5 g.

Pack sizes
Acid red 249 chemical structure
CAS number6416-66-6
FormulaC29H20ClN3Na2O10S3
Molar mass748.1 g/mol
InChIKeyXDBZPHDFHYZHNG-UHFFFAOYSA-L
IUPAC namedisodium;3-[(5-chloro-2-phenoxyphenyl)diazenyl]-4-hydroxy-5-[(4-methylphenyl)sulfonylamino]naphthalene-2,7-disulfonate

About Acid red 249

Acid red 249 is part of the Zemixal indicators, Chelating Agents & Test Papers range. Key data: CAS 6416-66-6, formula C29H20ClN3Na2O10S3 and molar mass 748.1 g/mol.

Use cases we see most often

  • Titration end-point detection
  • pH determination
  • Analytical testing
  • Indicator for titrations

Safe handling

Handle with the usual laboratory precautions and consult the SDS supplied with each lot.

Available as 5 g. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Titration end-point detection
  • pH determination
  • Analytical testing
  • Indicator for titrations

Applications

Specifications and identifiers

Specifications of Acid red 249
Product nameAcid red 249
Catalogue numberZX-019505
CAS number6416-66-6
IUPAC namedisodium;3-[(5-chloro-2-phenoxyphenyl)diazenyl]-4-hydroxy-5-[(4-methylphenyl)sulfonylamino]naphthalene-2,7-disulfonate
Molecular formulaC29H20ClN3Na2O10S3
Molar mass748.1 g/mol
Exact mass746.9795
H-bond donors / acceptors2 / 13
Topological polar surface area240 Ų
InChIKeyXDBZPHDFHYZHNG-UHFFFAOYSA-L
SMILESCC1=CC=C(C=C1)S(=O)(=O)NC2=C3C(=CC(=C2)S(=O)(=O)[O-])C=C(C(=C3O)N=NC4=C(C=CC(=C4)Cl)OC5=CC=CC=C5)S(=O)(=O)[O-].[Na+].[Na+]
PubChem CID160832
SynonymsTracid Brilliant Red B, C.I. Acid Red 249

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS09 Hazardous to the environment
Hazardous to the environment
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P273, P391, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Acid red 249
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Acid red 249

Which CAS number identifies Acid red 249?
Acid red 249 is registered under CAS 6416-66-6. You may also see it listed as Tracid Brilliant Red B, C.I. Acid Red 249. Our catalogue number for this item is ZX-019505.
What are the formula and molar mass of Acid red 249?
For Acid red 249, its formula is C29H20ClN3Na2O10S3 and its molar mass is 748.1 g/mol. InChIKey XDBZPHDFHYZHNG-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Acid red 249?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Acid red 249?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Acid red 249 to my country?
Yes. Because Acid red 249 is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
Azo blue
CAS
6059-34-3
Formula
C34H24N4Na2O8S2
MW
726.7 g/mol
ZX-019501

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