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CAS 115-41-3 Pyrocatechol Violet Catechol violet

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CAS 115-41-3 Pyrocatechol Violet Catechol violet

CAS 115-41-3 Pyrocatechol Violet Catechol violet
CAS 115-41-3 Pyrocatechol Violet Catechol violet CAS 115-41-3 Pyrocatechol Violet Catechol violet

Large Image :  CAS 115-41-3 Pyrocatechol Violet Catechol violet

Product Details:
Place of Origin: China
Brand Name: YunbangPharm
Certification: ISO9001
Model Number: YB192
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 1kg/Bottle, 5-25kg/Drum
Delivery Time: 5-8 working days
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 10Ton/Month

CAS 115-41-3 Pyrocatechol Violet Catechol violet

Description
Product Name: Pyrocatechol Violet Cas No: 115-41-3
Brand: Yunbang Bio Stock: Enough
Certificate: ISO9001 Samples: Available
Package: 1kg/5kg/25kg Shipment: Courier/sea/air

CAS 115-41-3 Pyrocatechol Violet Catechol violet

 

General description

Pyrocatechol Violet (PV) is a sulfone phthalein dye. It chelates metal ions. The metal-PV complex is bluish-violet in color.

Application

Complexometric indicator
Pyrocatechol Violet has been used in the formation of dye-metal complexes.It has also been used to determine Cu2+ chelating activity.

 

Product Name: Pyrocatechol Violet
Synonyms: 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
CAS: 115-41-3
MF: C19H14O7S
MW: 386.38
EINECS: 204-088-3

 

Melting point 185 °C (dec.)(lit.)
Boiling point 659.5±55.0 °C(Predicted)
density 1.632±0.06 g/cm3(Predicted)
storage temp. -20°C Freezer, Under inert atmosphere
solubility H2O: 1 mg/mL, clear, red
pka 7.21±0.10(Predicted)
form Metallic or Crystalline Powder
color Dark red-brown
PH Range 6.0(YELLOW)-7.0(PURPLE)-9.0(PURPLISH RED)
Water Solubility Soluble in water, ethylene glycol, monomethyl and ethanol.
BRN 353938
Stability:

Stable. Incompatible with strong oxidizing agents.

 

 

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