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Pyrocatechol Violet

Code: P 2767

Synonyms: Catechol violet, Pyrocatecholsulfonphthalein


gr indicator

C19H14O7S

29072990

386.38

Bottle / Drum
18%

gr indicator

C19H14O7S

29072990

386.38

Bottle / Drum

18%
PackingsPrice (INR)
1 gm 990.00
5 gm 3969.00
25 gm POR
1 kg POR
Packings
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Properties
185 °C (dec.)(lit.)

Powder

~1.57 (Predicted) (tautomer)

Description

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.

Application

Complexometric indicator. 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.

Safety Information

WGK Germany 3


PubChem CID: 40467765
MDL Number: MFCD00005868
EC Number: 204-088-3
Beilstein Registry: 353938
SMILES: C1=CC=C(C(=C1)/C(=C/2\C=CC(=O)C(=C2)O)/C3=CC(=C(C=C3)O)O)S(=O)(=O)O

Documentation

Certificate Of Analysis

(For eg. B 1615-0108)

Other Documents

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DisclaimerThe above particulars do not release the customer from the obligation to carry out an inspection of goods received.
Not for medical, household or any other uses, for lab use only, Please test before use.


PackingsPrice (INR)
1 gm 990.00
5 gm 3969.00
25 gm POR
1 kg POR