Sodium Hydroxide (Caustic Soda) 0.5N
CAS number 1310-73-2
MDL number MFCD00011324
EC index number 011-002-00-6
EC number 215-185-5
PubChem Substance ID 329824556
Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with formula NaOH.
Sodium hydroxide is used in many industries in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents and as a drain cleaner.
Concentration: 0.5N
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Description
| Physicochemical Information | |
|---|---|
| Density | 2.13 g/cm3 (20 °C) |
| Melting Point | 319 – 322 °C |
| pH Value | >14 (100 g/l, H₂O, 20 °C) |
| Solubility | 1090 g/l |
| Stability | hygroscopic |
| Molecular Weight | 40.00 |
| Hill formula | HNaO |
| Chemical formula | NaOH |
| Safety Information | |
|---|---|
| Hazard symbol | GHS05: Corrosive GHS08: Aspiration Hazard |
| Signal Word | Danger |
| Hazard Element | H290: May be corrosive to metals. H314: Causes severe skin burns and eye damage. |
| Precautionary Statements | P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician. |
| RIDADR | UN 1823 8 / PGII |
| WGK Germany | WGK 1 slightly hazardous to water |
| RTECS | WB49000000 |
| Flash Point (C°) | Not applicable |
| R Phrase | R35: Causes severe burns. |
| S Phrase | S 26-37/39-45: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| Storage & Transport Information | |
|---|---|
| Storage | Store at +5°C to +30°C in dry place |
| Declaration (railroad and road) ADR, RID | UN 1823 , 8, II |
| Declaration (transport by air) IATA-DGR | UN 1823 , 8, II |
| Declaration (transport by sea) IMDG-Code | UN 1823 , 8, II, Segregation Group: 18 (Alkalis) |
