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Sodium Structure

Sodium

Chemical Properties

Melting point 97.8 °C (lit.)
Boiling point 883 °C (lit.)
Density  1.04 g/mL at 20 °C
vapor pressure  1 mm Hg ( 440 °C)
Flash point 128 °F
storage temp.  water-free area
solubility  H2O: soluble
form  pieces (large)
Specific Gravity 0.97
color  White to off-white
Resistivity 4.69 μΩ-cm, 20°C
Water Solubility  REACTS
Sensitive  Air & Moisture Sensitive
Merck  14,8570
Exposure limits ACGIH: TWA 2 ppm; STEL 4 ppm
OSHA: TWA 2 ppm(5 mg/m3)
NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3)
Stability Reacts violently with water, liberating and possibly igniting hydrogen. Flammable solid. Incompatible with water, strong oxidizing agents. Do not store near oxidants. Store under oil, or dry inert gas. Air sensitive.
InChIKey MPMYQQHEHYDOCL-UHFFFAOYSA-N
Indirect Additives used in Food Contact Substances SODIUM
FDA 21 CFR 101.9; 107.10; 107.100; 175.105; 176.170; 176.200; 178.3910; 310.545
CAS DataBase Reference 7440-23-5(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 9NEZ333N27
NCI Dictionary of Cancer Terms sodium
NIST Chemistry Reference Sodium(7440-23-5)
EPA Substance Registry System Sodium (7440-23-5)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H260-H304-H314-H336-H411
Precautionary statements P231+P232-P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  C,F,T
Risk Statements  34-14/15-45-65
Safety Statements  26-8-6A-45-43D-43-36/37/39-22-7/8-62-5
RIDADR  UN 3264 8/PG 3
WGK Germany  1
RTECS  VY0686000
Autoignition Temperature >115 °C in air
TSCA  Yes
HS Code  2805 11 00
HazardClass  4.3
PackingGroup  I
Hazardous Substances Data 7440-23-5(Hazardous Substances Data)
NFPA 704:
3
3 2

Sodium Price

Sodium Chemical Properties,Usage,Production

Sodium synthesis