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Sodium ethoxide Structure

Sodium ethoxide

Chemical Properties

Melting point 260 °C
Boiling point 91°C
Density  0.868 g/mL at 25 °C
vapor density  1.6 (vs air)
vapor pressure  <0.1 mm Hg ( 20 °C)
refractive index  n20/D 1.386
Flash point 48 °F
storage temp.  Store at +15°C to +25°C.
solubility  Soluble in ethanol and methanol.
form  Liquid
color  Yellow to brown
Specific Gravity 0.868
PH 13 (5g/l, H2O, 20℃)
Water Solubility  Miscible
Sensitive  Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
Merck  14,8539
BRN  3593646
Exposure limits ACGIH: STEL 1000 ppm
OSHA: TWA 1000 ppm(1900 mg/m3)
NIOSH: IDLH 3300 ppm; TWA 1000 ppm(1900 mg/m3)
Stability Reacts violently with acids, water. Incompatible with chlorinated solvents, moisture. Absorbs carbon dioxide from the air. Highly flammable.
CAS DataBase Reference 141-52-6(CAS DataBase Reference)
FDA UNII 1I9504387J
EPA Substance Registry System Ethanol, sodium salt (141-52-6)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H225-H251-H314-H371-H411
Precautionary statements P210-P235-P273-P280-P303+P361+P353-P305+P351+P338
Hazard Codes  F,C,Xi,N
Risk Statements  11-14-34-36/37/38-68/20/21/22-51/53-20/21/22
Safety Statements  8-16-26-43-45-36/37/39-36-61
RIDADR  UN 3274 3/PG 2
WGK Germany  1
3-8-10-23
Autoignition Temperature 30 - 50 °C
TSCA  Yes
HazardClass  4.2
PackingGroup  II
HS Code  29051900
Hazardous Substances Data 141-52-6(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 598 mg/kg
NFPA 704:
3
3 2
W

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