8.45101 EMD Millipore

Sodium ethylate

Sodium ethylate Msynth®plus. CAS No. 141-52-6, EC Number 205-487-5., Msynth®plus

Synonym: Sodium ethylate, Sodium ethanolate

  • CAS Number 141-52-6

  • Linear Formula C₂H₅NaO

  • Molecular Weight 68.05 g/mol

  •  EC Number 205-487-5



packaging   250 g in Glass bottle (8451010250)
density   0.87 g/cm3 (20 °C)
autoignition temp.   30 - 50 °C
pH   13 (5 g/l, H₂O, 20 °C)
bulk density   300 kg/m3
LD 50 oral   LD50 Rat 598 mg/kg
shipped in   ambient
storage temp.   Store at <= 20°C.
specifications   Colour (visual): white to yellowish
  Appearance of substance (visual): powder
  Assay (acidimetric): ≥ 95.0 %
  Free NaOH: ≤ 2.0 %

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Safety Information

HS Code 
2905 19 00
Hazard Statement(s) 
H228: Flammable solid.
H251: Self-heating: may catch fire.
H314: Causes severe skin burns and eye damage.
EUH014: Reacts violently with water.
Precautionary Statement(s) 
P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
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.
P370 + P378: In case of fire: Use powder for extinction.
Storage class 
4.2 Pyrophoric and self-heating hazardous materials
WGK 1 slightly water endangering
Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535).
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Symbols 
Corrosive  Corrosive
Hazard Symbols 
Flammable  Flammable
Declaration (railroad and road) ADR, RID 
UN 3206 , 4.2 (8), II
Declaration (transport by air) IATA-DGR 
UN 3206 , 4.2 (8), II
Declaration (transport by sea) IMDG-Code 
UN 3206 , 4.2 (8), II, Segregation Group: 18 (Alkalis)
Categories of danger 
highly flammable, corrosive
R Phrase 
R 11-14-34
Highly flammable.Reacts violently with water.Causes burns.
S Phrase 
S 8-16-26-43-45
Keep container dry.Keep away from sources of ignition - No smoking.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of fire, use fire-fighting equipment on basis class D.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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