A PHP Error was encountered

Severity: Warning

Message: fopen(/var/cpanel/php/sessions/ea-php83/ci_sessionf09ee3ff4f7a420418ac90c9023df5a05c14948f): 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

di-Boron Trioxide Anhydrous 99% AR | 00466 Pallav Chemicals | MSDs COA

Home > Pallav Chemicals > Oxide > di-Boron Trioxide Anhydrous 99% AR

di-Boron Trioxide Anhydrous 99% AR
Boric oxide

Product Code.
 00466
Grade
 AR
Purity
 99%
CAS No.
 1303-86-2
Molecular Formula
 B2O3
Molecular Weight
 69.62
H.S.Code
 2810.00100
Shelf Life
 60 Months
MSDS COAs

Physical Properties

Physical state at 20 °C
solid
 Colour
White crystalline
 Odour
Odorless
Melting point/ Freezing point [°C]
450 °C
 Density [g/cm3]
2.404
 Solubility in water [% weight]
Moderate (1-10%)

Packaging

Specification

Appearance
Colorless or White Powder or Crystals
Assay
Min 99%
Heavy metal (as Pb)
Max 0.002%
Chloride (Cl)
Max 0.005%
Iron (Fe)
Max 0.00005%
Calcium (Ca)
Max 0.002%
Sodium (Na)
Max 0.003%
Potassium (K)
Max 0.003%

Safety Information and Hazard Symbols

Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H360FD
Precaution Statement: P201-P308 + P313