Severity: Warning
Message: fopen(/var/cpanel/php/sessions/ea-php83/ci_sessionfaeff2e3dbc681a9a792d4518ba5803563b30cbe): Failed to open stream: No space left on device
Filename: drivers/Session_files_driver.php
Line Number: 178
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
Home Chemnovo Good's Buffer (Biological Buffers) CHES (bioreagent) 99%
00736
CHES (bioreagent) 99%
2-(Cyclohexylamino) ethanesulphonic acid
Physical state at 20 °C
Solid |
Colour
White powder |
Odour
Odorless |
pH value
3 - 5 |
Melting point/ Freezing point [°C]
300 °C |
Solubility in water [% weight]
103.6 g/l at 20 °C |
Appearance
White powder |
Assay (alkalimetric; on anhydrous basis)
Min 99% |
Identity (IR)
Passes test |
UV absorbance (at 250 nm; 50 g/l; 1 cm; water)
Max 0.05 |
Chloride (Cl)
Max 0.005% |
Sulphate (SO4)
Max 0.025% |
Heavy metal (as Pb)
Max 0.0005% |
Sodium (Na)
Max 0.005% |
Loss on drying (at 105°C)
Max 1.0% |
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H319
Precaution Statement: P305 + P351 + P338