Sodium bromide

{{short description|Inorganic salt: NaBr}}

{{chembox

| Verifiedfields = changed

| Watchedfields = changed

| verifiedrevid = 422030388

| Name = Sodium bromide

| ImageFile = Sodium-bromide-3D-ionic.png

| ImageSize = 150px

| ImageName = 3D model of sodium bromide

| ImageFile1 = Sodium bromide.jpg

| ImageSize1 = 200px

| ImageName1 = Sodium bromide powder

| IUPACName = Sodium bromide

| OtherNames =

| SystematicName =

| Section1 = {{Chembox Identifiers

| index_label = anhydrous

| index1_label = dihydrate

| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}

| ChemSpiderID = 22712

| ChEMBL_Ref = {{ebicite|correct|EBI}}

| ChEMBL = 1644694

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = LC1V549NOM

| InChI = 1/BrH.Na/h1H;/q;+1/p-1

| InChIKey = JHJLBTNAGRQEKS-REWHXWOFAR

| SMILES = [Na+].[Br-]

| StdInChI_Ref = {{stdinchicite|correct|chemspider}}

| StdInChI = 1S/BrH.Na/h1H;/q;+1/p-1

| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}

| StdInChIKey = JHJLBTNAGRQEKS-UHFFFAOYSA-M

| CASNo = 7647-15-6

| CASNo_Ref = {{cascite|correct|CAS}}

| CASNo1 = 13466-08-5

| CASNo1_Ref = {{cascite|changed|CAS}}

| PubChem = 253881

| RTECS = VZ3150000

}}

| Section2 = {{Chembox Properties

| Formula = NaBr

| Na=1 | Br=1

| Appearance = White powder, hygroscopic

| Density = 3.21 g/cm³ (anhydrous)
2.18 g/cm³ (dihydrate)

| Solubility = 71.35 g/100 mL (−20 °C)
79.52 g/100 mL (0 °C)
94.32 g/100 mL (25 °C){{cite web | url=http://chemister.ru/Database/properties-en.php?dbid=1&id=714 | title=Sodium bromide}}
104.9 g/100 mL (40 °C)
116.2 g/100 mL (100 °C){{cite book|last1 = Seidell|first1 = Atherton|last2 = Linke|first2 = William F.|year = 1919|title = Solubilities of Inorganic and Organic Compounds|url = https://archive.org/details/solubilitiesino01seidgoog|publisher = D. Van Nostrand Company|edition = 2nd}}

| Solubility1 = 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)

| Solvent1 = methanol

| Solubility2 = 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)

| Solvent2 = ethanol

| Solubility3 = 19.3 g/100 g (18 °C)
19.4 g/100 g (25 °C)

| Solvent3 = formic acid

| Solubility4 = 38.7 g/100 g (20 °C)

| Solvent4 = glycerol

| Solubility5 = 3.2 g/100 g (10.3 °C)

| Solvent5 = dimethylformamide

| SolubleOther = Soluble in alcohol, liquid ammonia, pyridine, hydrazine, sulfur dioxide
Insoluble in acetone, acetonitrile

| MeltingPtC = 747

| MeltingPt_notes =
(anhydrous)
{{convert|36|C|F K}}
(dihydrate) decomposes{{cite book|last = Pradyot|first = Patnaik|year = 2003|title = Handbook of Inorganic Chemicals|publisher = The McGraw-Hill Companies, Inc.|isbn = 978-0-07-049439-8}}

| BoilingPtC = 1390

| BoilingPt_ref =

| RefractIndex = 1.6428 (24 °C)
n_KrF = 1.8467 (24 °C)
n_He–Ne = 1.6389 (24 °C){{cite web|url = http://refractiveindex.info/?shelf=main&book=NaBr&page=Li|title = Refractive index of NaBr (Sodium bromide) - Li|website = refractiveindex.info|first = Mikhail|last = Polyanskiy|access-date = 2014-06-11}}

| Viscosity = 1.42 cP (762 °C)
1.08 cP (857 °C)
0.96 cP (937 °C)

| VaporPressure = 1 torr (806 °C)
5 torr (903 °C)

| ThermalConductivity = 5.6 W/(m·K) (150 K){{cite web|url = http://www.korth.de/index.php/162/items/23.html|title = Sodium Bromide (NaBr)|website = korth.de|publisher = Korth Kristalle GmbH|access-date = 2014-06-11|archive-date = 2014-07-14|archive-url = https://web.archive.org/web/20140714185855/http://www.korth.de/index.php/162/items/23.html|url-status = dead}}

| MagSus = −41.0·10⁻⁶ cm³/mol

}}

| Section3 =

| Section4 = {{Chembox Structure

| CrystalStruct = Cubic

| LattConst_a = 5.97 Å

}}

| Section5 = {{Chembox Thermochemistry

| DeltaHf = −361.41 kJ/mol

| DeltaGf = −349.3 kJ/mol

| Entropy = 86.82 J/(mol·K)

| HeatCapacity = 51.4 J/(mol·K)

}}

| Section6 = {{Chembox Pharmacology

| Pharmacology_ref =

| ATCCode_prefix =

| ATCCode_suffix =

| ATC_Supplemental =

| ATCvet =

| Licence_EU =

| INN =

| INN_EMA =

| Licence_US =

| Legal_status =

| Legal_AU = S4

| Legal_AU_comment = /S5

| Legal_CA =

| Legal_CA_comment =

| Legal_NZ =

| Legal_NZ_comment =

| Legal_UK =

| Legal_UK_comment =

| Legal_US =

| Legal_US_comment =

| Legal_EU =

| Legal_EU_comment =

| Legal_UN =

| Legal_UN_comment =

| Pregnancy_category =

| Pregnancy_AU =

| Pregnancy_AU_comment =

| Dependence_liability =

| AdminRoutes =

| Bioavail =

| ProteinBound =

| Metabolism =

| Metabolites =

| OnsetOfAction =

| HalfLife =

| DurationOfAction =

| Excretion =

}}

| Section7 = {{Chembox Hazards

| ExternalSDS = [http://www.sciencelab.com/msds.php?msdsId=9927262 External MSDS]

| FlashPtC = 800

| LD50 = 3500 mg/kg (rats, oral)

| NFPA-H = 2

| NFPA-F = 0

| NFPA-R = 0

| NFPA_ref =

}}

| Section8 = {{Chembox Related

| OtherAnions = {{ubl|Sodium fluoride|Sodium chloride|Sodium iodide|Sodium astatide}}

| OtherCations = {{ubl|Lithium bromide|Potassium bromide|Rubidium bromide|Caesium bromide|Francium bromide}}

}}

}}

Sodium bromide is an inorganic compound with the formula {{chem2|NaBr|auto=1}}. 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.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}}