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8.18374 EMD Millipore

Sodium tert-butylate

Sodium tert-butylate for synthesis. CAS No. 865-48-5, EC Number 212-741-9., for synthesis

Synonym: Sodium-t-butoxide

  • CAS Number 865-48-5

  • Linear Formula C₄H₉NaO

  • Molecular Weight 96.1 g/mol

  •  EC Number 212-741-9



Related Categories Biochemicals and Reagents More...
packaging   1 kg in Glass bottle (8183741000)
  100 g in Glass bottle (8183740100)
  5 kg in Plastic drum (8183745000)
mp   263 °C
bulk density   400 kg/m3
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (acidimetric): ≥ 96.0 %
  Free NaOH: ≤ 2.0 %
  Identity (IR): passes test

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Safety Information

HS Code 
2905 19 00
Hazard Statement(s) 
H251: Self-heating: may catch fire.
H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.
EUH014: Reacts violently with water.
Precautionary Statement(s) 
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.
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 Pictogram(s) 
GHS07  GHS07
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 11-14-34-37
Highly flammable.Reacts violently with water.Causes burns.Irritating to respiratory system.
S Phrase 
S 26-36/37/39-43-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of fire, use sand. Never use water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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