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Sodium
Sodium
- CAS:
- 7440-23-5
- MF:
- Na
- MW:
- 22.99
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
Safety Information
- Symbol(GHS)
GHS02,GHS05,GHS07,GHS08,GHS09
- Signal word
- Danger
- 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
Use
Sodium (na) is a silvery reactive element belonging to group 1 (formerly ia) of the periodic table. it is not an essential element for any crop (including salt marsh plants), but it is useful in certain biological processes. some crops grow better with sodium which is absorbed as an ion.
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