1313-59-3

Name SODIUM OXIDE
CAS 1313-59-3
EINECS(EC#) 215-208-9
Molecular Formula Na2O
MDL Number MFCD00046201
Molecular Weight 61.98
MOL File 1313-59-3.mol
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Chemical Properties

Appearance white to grey granules or powder
Melting point  >400°C
Boiling point  sublimes at 1274℃ [HAW93]
density  2.27 g/mL at 25 °C(lit.)
vapor pressure  0Pa at 20℃
solubility  reacts with H2O
form  Beads
color  White to gray
Specific Gravity 2.27
Stability: Stable. Reacts violently with water, acids and with many other compounds. Store under dry inert gas. May lead to fire in contact with combustible material.
Water Solubility  Soluble in water.
Specific Heat Capacity Cp(crystal):1.11488J/(g·K),at 25℃
Crystal Structure Reverse CaF2 type
Sensitive  Air & Moisture Sensitive
crystal system Cube
Merck  14,8651
Space group Fm3m
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.5560.5560.5569090900.1719
Cosmetics Ingredients Functions BUFFERING
InChI 1S/2Na.O/q2*+1;-2
InChIKey KKCBUQHMOMHUOY-UHFFFAOYSA-N
SMILES [O--].[Na+].[Na+]
CAS DataBase Reference 1313-59-3(CAS DataBase Reference)
EPA Substance Registry System Sodium oxide (1313-59-3)
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Safety Data

Symbol(GHS)  Flame Over Circle (GHS03)Corrosion (GHS05)
GHS03,GHS05
Signal word  Danger
Hazard statements  H271-H314
Precautionary statements  P210-P220-P260-P280-P303+P361+P353-P305+P351+P338
Hazard Codes  O,C
Risk Statements 
R8:Contact with combustible material may cause fire.
R14:Reacts violently with water.
R35:Causes severe burns.
R34:Causes burns.
Safety Statements 
S8:Keep container dry .
S27:Take off immediately all contaminated clothing .
S39:Wear eye/face protection .
S43:In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add-Never use water) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR  UN 3085 5.1/PG 1
WGK Germany  1
TSCA  Yes
REACH Registrations Active
HazardClass  8
PackingGroup  II
Storage Class 5.1A - Strongly oxidizing hazardous materials
Hazard Classifications Eye Dam. 1
Ox. Sol. 1
Skin Corr. 1A

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