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Stains, Fluorescent Dyes & Histology Reagents

Chlorophenol red

Available on request

Chlorophenol red (CAS 4430-20-0) supplier Zemixal: C19H12Cl2O5S, COA and SDS with every lot, worldwide shipping. Quotes within one business day.

Pack sizes
Chlorophenol red chemical structure
CAS number4430-20-0
FormulaC19H12Cl2O5S
Molar mass423.3 g/mol
HS code29349900
InChIKeyWWAABJGNHFGXSJ-UHFFFAOYSA-N
IUPAC name2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol

About Chlorophenol red

Zemixal supplies Chlorophenol red within its laboratory Chemicals & Reagents portfolio. Key data: CAS 4430-20-0, formula C19H12Cl2O5S and molar mass 423.3 g/mol.

Where it is used

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Indicator for titrations

Handling and storage

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Available as 5 g and 25 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

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Indicator for titrations

Applications

Diagnostics, Life Science and BiotechResearch Labs and UniversitiesTextiles, Dyes and Leather

Specifications and identifiers

Specifications of Chlorophenol red
Product nameChlorophenol red
Catalogue numberZX-037124
CAS number4430-20-0
IUPAC name2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol
Molecular formulaC19H12Cl2O5S
Molar mass423.3 g/mol
Exact mass421.9783
XLogP34.3
H-bond donors / acceptors2 / 5
Topological polar surface area92.2 Ų
HS code29349900
InChIKeyWWAABJGNHFGXSJ-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Cl)C4=CC(=C(C=C4)O)Cl
PubChem CID20486
SynonymsChlorphenol Red, Chlorphenolsulfonphthalein, Dichlorophenolsulfonephthalein, 3',3''-Dichlorophenolsulfonphthalein, 3,3-bis(3-chloro-4-hydroxyphenyl)-3H-2,1$l^(6)-benzoxathiole-1,1-dione, 3,3-bis(3-chloro-4-hydroxyphenyl)-3H-2,1$l^{6}-benzoxathiole-1,1-dione, Chlorophenol red indicator, 3,3-Bis(3-chloro-4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 Chlorophenol red
5 gQuoted on request
25 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 Chlorophenol red

Which CAS number identifies Chlorophenol red?
Chlorophenol red is registered under CAS 4430-20-0. You may also see it listed as Chlorphenol Red, Chlorphenolsulfonphthalein, Dichlorophenolsulfonephthalein. Our catalogue number for this item is ZX-037124.
What are the formula and molar mass of Chlorophenol red?
For Chlorophenol red, its formula is C19H12Cl2O5S and its molar mass is 423.3 g/mol. The systematic (IUPAC) name is 2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol. InChIKey WWAABJGNHFGXSJ-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Chlorophenol red?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 5 g, 25 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Chlorophenol red?
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 Chlorophenol red to my country?
Yes. Because Chlorophenol red 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.

Other grades with CAS 4430-20-0

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