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PHENOL RED |
| Synonyms. Phenolsulfonphthalein; 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)diphenol S,S-dioxide; Fenolipuna; Phenol Red; Phenolsulphonphthalein; Sulfonphthal; Sulphental; Sulphonthal; 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bisphenol; Fenolipuna; 3,3-Bis(4-hydroxyphenyl)-3H-2,1-benzoxathiole-1,1-dioxide; |
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| PRODUCT IDENTIFICATION | |
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CAS RN |
143-74-8 |
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EINECS RN |
205-609-7 |
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FORMULA |
C19H14O5S |
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MOLE WEIGHT |
354.38 |
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H.S CODE |
2934.99.4400 |
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SMILES |
C1(c2c(cccc2)S(O1)(=O)=O)(c1ccc(O)cc1)c1ccc(O)cc1 |
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CLASSIFICATION |
pH indicator, Coloring agent, Triarylmethane dye |
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EXTRA NOTES |
Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems.[MeSH] |
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| PHYSICAL AND CHEMICAL PROPERTIES | |
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PHYSICAL STATE. |
dark red crystalline powder |
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MELTING POINT |
> 300 C |
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BOILING POINT |
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DENSITY |
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SOLUBILITY IN WATER |
Slightly soluble |
| SOLVENT SOLUBILITY |
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VAPOR DENSITY |
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log P(octanol-water) |
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VAPOR PRESSURE |
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AUTOIGNITION TEMP |
605 C |
| pK |
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REFRACTIVE INDEX |
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FLASH POINT |
79 C |
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| STABILITY AND REACTIVITY | |
| STABILITY | Stable under normal conditions. |
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INCOMPATIBLE MATERIALS |
Strong oxidizing agents |
| POLYMERIZATION |
Has not been reported |
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NFPA RATINGS |
Health: 2, Flammability: 0, Reactivity: 0 |
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| EXTERNAL LINKS & GENERAL DESCRIPTION |
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USA.gov - Phenolsulfonphthalein Wikipedia Linking - Phenol red Google Scholar Search - Phenolsulfonphthalein U.S. National Library of Medicine - Phenolsulfonphthalein PubChem Compound Summary - Phenolsulfonphthalein KEGG (Kyoto Encyclopedia of Genes and Genomes) - Phenolsulfonphthalein ChEBI (http://www.ebi.ac.uk/chebi/) - Phenolsulfonphthalein NCBI (http://www.ncbi.nlm.nih.gov/) - Phenolsulfonphthalein Material Safety Data Sheet - Phenolsulfonphthalein EPA - Substance Registry Services - Phenolsulfonphthalein Local: |
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| SALES SPECIFICATION | |
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APPEARANCE |
dark red crystalline powder |
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ASSAY |
~ 95% |
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MELTING POINT |
> 300 C |
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SOLUTION CRALITY |
pass |
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LOSS ON DRYING |
pH 6.5 (yellow) - - pH 7.0 (orange) - pH 8.2 (red) |
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| TRANSPORT & REGULATORY INFORMATION | |
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UN NO. |
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| HAZARD CLASS |
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| PACKING GROUP | |
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| SAFETY INFORMATION | |
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HAZARD OVERVIEW |
GHS (Globally Harmonised System) Classification: Skin irritation. Eye irritation. Specific target organ toxicity - single exposure. Hazard statements: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. |
| SIGNAL WORD | Warning |
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PICTOGRAMS |
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HAZARD STATEMENTS |
H315-H319-H335 |
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P STATEMENTS |
P261-P305 + P351 + P338 |
| EC DIRECTIVES |
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| HAZARD CODES |
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RISK PHRASES |
36/37/38 |
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SAFETY PHRASES |
26-36 |
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| PACKING |
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Preserve in light-resistant and well-closed containers |
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| PRICE INFORMATION |
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