Sodium bromide

Sodium bromide
3D model of sodium bromide
Sodium bromide powder
Names
IUPAC name
Sodium bromide
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.028.727 Edit this at Wikidata
RTECS number
  • anhydrous: VZ3150000
UNII
  • InChI=1S/BrH.Na/h1H;/q;+1/p-1 checkY
    Key: JHJLBTNAGRQEKS-UHFFFAOYSA-M checkY
  • anhydrous: InChI=1/BrH.Na/h1H;/q;+1/p-1
    Key: JHJLBTNAGRQEKS-REWHXWOFAR
  • anhydrous: [Na+].[Br-]
Properties
NaBr
Molar mass 102.894 g·mol−1
Appearance White powder, hygroscopic
Density 3.21 g/cm3 (anhydrous)
2.18 g/cm3 (dihydrate)
Melting point 747 °C (1,377 °F; 1,020 K)
(anhydrous)
36 °C (97 °F; 309 K)
(dihydrate) decomposes[3]
Boiling point 1,390 °C (2,530 °F; 1,660 K)[3]
71.35 g/100 mL (−20 °C)
79.52 g/100 mL (0 °C)
94.32 g/100 mL (25 °C)[1]
104.9 g/100 mL (40 °C)
116.2 g/100 mL (100 °C)[2]
Solubility Soluble in alcohol, liquid ammonia, pyridine, hydrazine, SO2
Insoluble in acetone, acetonitrile[1]
Solubility in methanol 17.3 g/100 g (0 °C)
16.8 g/100 g (20 °C)
16.1 g/100 g (40 °C)
15.3 g/100 g (60 °C)[1]
Solubility in ethanol 2.45 g/100 g (0 °C)
2.32 g/100 g (20 °C)
2.29 g/100 g (30 °C)
2.35 g/100 g (70 °C)[1]
Solubility in formic acid 19.3 g/100 g (18 °C)
19.4 g/100 g (25 °C)[1]
Solubility in glycerol 38.7 g/100 g (20 °C)[1]
Solubility in dimethylformamide 3.2 g/100 g (10.3 °C)[1]
Vapor pressure 1 torr (806 °C)
5 torr (903 °C)[3]
−41.0·10−6 cm3/mol
Thermal conductivity 5.6 W/(m·K) (150 K)[4]
1.6428 (24 °C)
nKrF = 1.8467 (24 °C)
nHe–Ne = 1.6389 (24 °C)[5]
Viscosity 1.42 cP (762 °C)
1.08 cP (857 °C)
0.96 cP (937 °C)[1]
Structure
Cubic
a = 5.97 Å[4]
Thermochemistry
51.4 J/(mol·K)[1]
86.82 J/(mol·K)[1]
−361.41 kJ/mol[1]
−349.3 kJ/mol[1]
Pharmacology
Legal status
  • AU: S4 (Prescription only) /S5
Hazards
NFPA 704 (fire diamond)
[6]
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
0
0
Flash point 800 °C (1,470 °F; 1,070 K)
Lethal dose or concentration (LD, LC):
3500 mg/kg (rats, oral)
Safety data sheet (SDS) External MSDS
Related compounds
Other anions
Other cations
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Sodium bromide is an inorganic compound with the formula NaBr. It is a high-melting white, crystalline solid that resembles sodium chloride. It is a widely used source of the bromide ion and has many applications.[7]

  1. ^ a b c d e f g h i j k l "Sodium bromide".
  2. ^ Seidell, Atherton; Linke, William F. (1919). Solubilities of Inorganic and Organic Compounds (2nd ed.). D. Van Nostrand Company.
  3. ^ a b c Pradyot, Patnaik (2003). Handbook of Inorganic Chemicals. The McGraw-Hill Companies, Inc. ISBN 978-0-07-049439-8.
  4. ^ a b "Sodium Bromide (NaBr)". korth.de. Korth Kristalle GmbH. Archived from the original on 2014-07-14. Retrieved 2014-06-11.
  5. ^ Polyanskiy, Mikhail. "Refractive index of NaBr (Sodium bromide) - Li". refractiveindex.info. Retrieved 2014-06-11.
  6. ^ Cite error: The named reference scl was invoked but never defined (see the help page).
  7. ^ Michael J. Dagani, Henry J. Barda, Theodore J. Benya, David C. Sanders "Bromine Compounds" in Ullmann's Encyclopedia of Industrial Chemistry Wiley-VCH, Weinheim, 2000. doi:10.1002/14356007.a04_405