Pyrocatechol Violet
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- CAS-Nr.
- 115-41-3
- Englisch Name:
- Pyrocatechol Violet
- Synonyma:
- CATECHOL VIOLET;Catechol vloiet;PyrocatecholViole;PYROCATECHOL VIOLET;PyrocatecholVioletGr;suitable for indicator;Catecholsulfonphthalein;CATECHOLSULFONAPHTHALEIN;Pyrocatechol violet (6CI);PYROCATECHOLSULFONPHTHALEIN
- CBNumber:
- CB5423604
- Summenformel:
- C19H14O7S
- Molgewicht:
- 386.38
- MOL-Datei:
- 115-41-3.mol
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Pyrocatechol Violet Eigenschaften
- Schmelzpunkt:
- 185 °C (dec.)(lit.)
- Siedepunkt:
- 659.5±55.0 °C(Predicted)
- Dichte
- 1.632±0.06 g/cm3(Predicted)
- storage temp.
- -20°C Freezer, Under inert atmosphere
- Löslichkeit
- H2O: 1 mg/mL, clear, red
- pka
- 7.21±0.10(Predicted)
- Aggregatzustand
- Metallic or Crystalline Powder
- Farbe
- Dark red-brown
- Säure-Base-Indikators(pH-Indikatoren)
- 6.0(YELLOW)-7.0(PURPLE)-9.0(PURPLISH RED)
- Wasserlöslichkeit
- Soluble in water, ethylene glycol, monomethyl ether and ethanol.
- BRN
- 353938
- Stabilität:
- Stable. Incompatible with strong oxidizing agents.
- CAS Datenbank
- 115-41-3(CAS DataBase Reference)
- EPA chemische Informationen
- 1,2-Benzenediol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis- (115-41-3)
Pyrocatechol Violet Chemische Eigenschaften,Einsatz,Produktion Methoden
R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-Sätze Betriebsanweisung:
S24/25:Berührung mit den Augen und der Haut vermeiden.
Chemische Eigenschaften
greenish yellow powder
Verwenden
Pyrocatechol Violet is a complexometric indicator dye. This phthalein dye chelates metals to form blue to blue-violet complexs. It is also a pH indicator with a transition interval from 0 - 8 (red to violet). It is known to be unstable when alkaline. The stability is improved at a neutral pH. When the pH is between 2-7 the color may be yellow. Dyes and metabolites.
läuterung methode
It is recrystallised from glacial acetic acid. It is very hygroscopic and is an indicator standard for metal complex titrations. [Mustafin et al. Zh Anal Khim 22 1808 1967, Beilstein 19/3 V 703.]
Pyrocatechol Violet Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
Pyrocatechol Violet Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
Global( 243)Lieferanten
115-41-3()Verwandte Suche:
- Pyrocatechimsulfonphthalein violed
- PYROCATECHOL VIOLET, FOR COLORIMETRY
- PYROCATECHOL VIOLET INDICATOR FOR METAL TITRATION
- PYROCATECHOL VIOLET, INDICATOR GRADE
- PyrocatecholVioletGr
- Pyrocatechol Violet, indicator grade, pure
- 1,2-Benzenediol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis-
- Catecholsulfonphthalein
- Catechol violet, Pyrocatecholsulfonphthalein
- Pyrocatechol Violet (0.1% in Water)
- 3,3-Bis(3,4-dihydroxyphenyl)-3H-2,1-benzoxathiole 1,1-dioxide
- Pyrocatechol Violet,pure,indicator grade
- Pyrocatechol Violet≥ 98% (Assay)
- A,A-BIS(3,4-DIHYDROXYPHENYL)-A-HYDROXY-O-TOLUENESULFONIC ACID G-SULFONE
- PYROCATECHOLSULFONEPHTHALEIN
- PYROCATECHOLSULFONPHTHALEIN
- PYROCATECHOL SULPHONPHTHALEIN
- PYROCATECHOL VIOLET
- Pyrocatechol Violet, indicator grade, pure 5GR
- 3,3-bis(3,4-dihydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
- Catechol Violet, Pyrocatecholsulphonphthalein
- 1,2-Benzenediol,4,4’-(3H-2,1-benzoxathiol-3-ylidene)bis-,S,S-dioxide
- 3’,3’,4’-Trihydroxyfuchsone-2’-SulfonicAcidPV
- PyrocatechinSulfonphthaleinViolet
- CATECHOLSULFONAPHTHALEIN
- CATECHOL VIOLET
- 3,3',4'-TRIHYDROXYFUCHSONE-2''-SULFONIC ACID
- Catechol Purple Indicator Solution
- Catechol vloiet
- Pyrocatechol violet pH indicator solution
- PyrocatecholViole
- Catechol Violet Indicator (4.0-7.0)
- Pyrocatechol violet (6CI)
- suitable for indicator
- 115-41-3
- C19H14O7S
- IR/UV/ VIS
- Spectroscopy Reagents
- Analytical Reagents
- Analytical Chromatography Product Catalog
- bulk reagents
