A PHP Error was encountered

Severity: Warning

Message: fopen(/var/cpanel/php/sessions/ea-php83/ci_sessione4ec179a1a07284c7d4a4cd8416126a88cb737df): Failed to open stream: No space left on device

Filename: drivers/Session_files_driver.php

Line Number: 178

Backtrace:

File: /home/chemnovo/public_html/pallavchemicals.com/application/controllers/Pallav.php
Line: 5
Function: __construct

File: /home/chemnovo/public_html/pallavchemicals.com/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Failed to read session data: user (path: /var/cpanel/php/sessions/ea-php83)

Filename: Session/Session.php

Line Number: 138

Backtrace:

File: /home/chemnovo/public_html/pallavchemicals.com/application/controllers/Pallav.php
Line: 5
Function: __construct

File: /home/chemnovo/public_html/pallavchemicals.com/index.php
Line: 315
Function: require_once

Thymolphthalein Indicator AR | 02701 Pallav Chemicals | MSDs COA

Home > Pallav Chemicals > pH Indicator (Solid) > Thymolphthalein Indicator AR

Thymolphthalein Indicator AR
5',5''-Diisopropyl-2',2''-dimethylphenolphthalein

Product Code.
02701
Grade
AR
Purity
CAS No.
125-20-2
Molecular Formula
C28H30O4
Molecular Weight
430.55
H.S.Code
2932.20900
Shelf Life
60 Months

Physical Properties

Physical state at 20 °C
Solid
Colour
White powder
Melting point/ Freezing point [°C]
251 - 253 °C
Solubility in water [% weight]
Insoluble in water
Partition coefficient Log Pow octanol / water at 20°C
7.06

Packaging

Specification

Appearance
White powder
Infrared spectrum
Conforms
Visual transition interval
from pH 8.8 (Colorless) to pH 10.5 (blue)
Absorption maxima in 0.1 N NaOH
592 - 596 nm

Safety Information and Hazard Symbols