A PHP Error was encountered

Severity: Warning

Message: fopen(/var/cpanel/php/sessions/ea-php83/ci_sessiond2efc853d31249ff2b47384111410556c27ddc0d): 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

4-Nitrocatechol 97% AR | 01860 Pallav Chemicals | MSDs COA

Home > Pallav Chemicals > Laboratory Chemicals > 4-Nitrocatechol 97% AR

4-Nitrocatechol 97% AR
Reagent for Germanium Tyrosinase inhibitor. 1,2-Dihydroxy-4-nitrobenzene; 4-Nitropyrocatechol

Product Code.
 01860
Grade
Purity
 97%
CAS No.
 9/4/3316
Molecular Formula
 C6H5NO4
Molecular Weight
 155.10
H.S.Code
 2908.99900
Shelf Life
 60 Months
COAs

Physical Properties

Physical state at 20 °C
Solid
 Colour
Brownish yellow crystalline
 Melting point/ Freezing point [°C]
173 - 177 °C
Flash point [°C]
168.8°C
 Density [g/cm3]
1.58

Packaging

Specification

Appearance
Brownish yellow crystalline powder
Assay
Min 97%
Melting point
173 - 177 deg C

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338