Cresol Purple CAS#: 2303-01-7; ChemWhat Code: 96529

Names & Identifiers

Product Name Cresol Purple
Synonyms 3-cresolpurple;4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide;4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide;cresolpurple(non-specificname);Phenol,4,4’-(3H-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,S,S-dioxide;phenol,4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide;pourpredem-cresol;M-CRESOLSULFONPHTHALEIN
CAS Registry Number 2303-01-7
Molecular Formula C21H18O5S
Molecular Weight 382.43
EINECS 218-960-6
Other Registry Numbers
More Identifiers on PubChem IUPA Names, InChI, InChI Key, Canonical SMILES, etc.
Cresol Purple CAS#: 2303-01-7

Chemical & Physical Properties

Melting point  >250°C
Solubulity  Solubility Very slightly soluble in water, ethanol; soluble in methanol
pka 1.51, 8.32(at 25℃)
form  Liquid
Color  Dark green
PH Range 1.2 (red) – 2.8 (yellow) and 7.4 (yellow) – 9.0 (purple)
Water Solubility  Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol.
λmax 579nm, 371nm
Merck  14,2577
BRN  350314
Stability: Stable. Incompatible with strong oxidizing agents.
Major Application Fuel cells, sensors, display device, falsification-proof security paper, inks, correction fluid, paints, detection of electrophilic gases, lubricants, cement products, packaging system, adhesive, cosmetics, food storage, determining glucose in dialysis solution, screening of cat diseases, detecting carbohydrates, oral hygiene products
EPA Substance Registry System Phenol, 4,4'-(1,1-dioxido-3H- 2,1-benzoxathiol-3-ylidene) bis[3-methyl-(2303-01-7)

Safety & Hazards(Codes & Phrases)

S Phrase  24/25
TSCA  Yes
More Safety & Hazards From PubChem Signal, GHS Hazard Statements, Precautionary Statement Codes, etc.

Literature

Literature on PubChem Synthesis References, Metabolite References, etc.

Patents

Patents on PubChem Related Patents Of This Product

Transportation, Storage & Usage

Transportation No Information
Storage No Information
Usage No Information

Spectral Properties

No Information

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