Severity: Warning
Message: fopen(/var/cpanel/php/sessions/ea-php83/ci_sessiondd12293be22b0d0069f916be1c30dcb17f94ba1a): 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
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
Copper (II) Oxide 97% Extrapure
Copper(II) oxide ; Cupric Oxide Black
Product Code. |
00867` |
Grade |
Extrapure |
Purity |
97% |
CAS No. |
1317-38-0 |
Molecular Formula |
CuO |
Molecular Weight |
79.55 |
H.S.Code |
2825.50000 |
Shelf Life |
60 Months |
| Physical state at 20 °C |
Solid |
Colour |
Black powder |
Odour |
Odorless |
| Density [g/cm3] |
6.32 |
Solubility in water [% weight] |
Insoluble in water |
| Appearance | Black colored fine powder |
| Assay | Min 97.0% |
| Sulphate (SO4) | Max. 0.06% |
| Iron (Fe) | Max. 0.1% |
Symbol: GHS07, GHS09
Signal Word: Warning
UN No.: 3077
IMCO Class No.: 9
Packing Group: III
Hazardous Statement: H302-H410
Precaution Statement: P273-P501
Risk Statement: 22-50/53
Safety Statement: 60-61