Sodium oxide , Null , 1313-59-3

Synonym(s):
Disodium monoxide;Disodium oxide

CAS NO.：1313-59-3

Empirical Formula: Na2O

Molecular Weight: 61.98

MDL number: MFCD00046201

EINECS: 215-208-9

PRODUCT Properties

• 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
• Specific Gravity: 2.27
• color: White to gray
• Water Solubility: Soluble in water.
• Sensitive: Air & Moisture Sensitive
• Crystal Structure: Reverse CaF2 type
• crystal system: Cube
• Merck: 14,8651
• Space group: Fm3m
• Lattice constant:
  • a/nm: 0.556
  • b/nm: 0.556
  • c/nm: 0.556
  • α/o: 90
  • β/o: 90
  • γ/o: 90
  • V/nm3: 0.1719
• 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.

Description and Uses

As a dehydrating agent; in certain chemical reactions as a polymerizing or condensing agent.

Safety

• Symbol(GHS): 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: 8-14-35-34
• Safety Statements: 8-27-39-43-45-36/37/39-26
• RIDADR: UN 3085 5.1/PG 1
• WGK Germany: 1
• TSCA: Yes
• HazardClass: 8
• PackingGroup: II