A PHP Error was encountered

Severity: Warning

Message: fopen(/var/cpanel/php/sessions/ea-php83/ci_sessione23a02551ab5f6c874f6ad4532b5b6a8a855d7ca): 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

Phenolphthalein Indicator | 01973 Pallav Chemicals | MSDs COA

Home > Pallav Chemicals > pH Indicator (Solid) > Phenolphthalein Indicator

Phenolphthalein Indicator
3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone

Product Code.
 01973
Grade
Purity
CAS No.
 77-09-8
Molecular Formula
 C20H14O4
Molecular Weight
 318.33
H.S.Code
 2932.20900
Shelf Life
 60 Months
MSDS COAs

Physical Properties

Physical state at 20 °C
Solid
 Colour
White powder
 Odour
Odorless
Melting point/ Freezing point [°C]
261 - 263 °C
 Density [g/cm3]
1.299
 Solubility in water [% weight]
Slightly soluble in water

Packaging

Specification

Appearance
A white to off white powder
pH range (8.2 - 10.0)
Colourless to red-violet
Absorption maxima (buffer pH 9.8)
551 - 554 nm
Sensitivity
Passes test
Sulphated ash
Max 0.05%
Chloride (Cl)
Max 0.01%
Sulphate (SO4)
Max 0.01%
Loss on dryig (at 110°C)
Max 1%

Safety Information and Hazard Symbols

Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H341-H350-H361
Precaution Statement: P201-P281-P308 + P313