Product Code: 2.7080
Neutronco
Sodium hydroxide for HPLC
Formula | HNaO |
Chemical formula | NaOH |
Density | 2.13 g/cm3 (20°C) |
Molar mass | 40.0 g/mol |
CAS number | 1310-73-2 |
HS Code | 28151100 |
EC number | 215-181-5 |
Storage | Without limitation |
SDS | available |
RTECS | WB4900000 |
R phrase | R 35 |
S phrase | S 26-36/37/39-45 |
Odour | oderless |
Form | solid |
Color | colourless |
p H | ~14.0 (50g/l 20 °C) |
Solubility in water | 1090 g/l (20°C) |
Solubility in ethanol | 139 g/l (20°C) |
Boiling point | 1390 °C |
Melting point | 323 °C |
Assay | 95.0 – 100.5 | % | |
Description | Conforms | ||
Solubility | Conforms | ||
Identification | Conforms | ||
Insoluble substances | ≤ | 0.2 | % |
HPLC gradient suitability test | ≤ | 10 | ppm |
(220,254,280 nm) chromophoric | |||
impurities on 4-hydroxyacetophenon | |||
K2CO3 (in solution 50%) | ≤ | 0/3 | % |