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| CAS No.: | 7550-35-8 |
|---|---|
| Name: | Lithium bromide |
| Molecular Structure: | |
|
|
|
| Formula: | BrLi |
| Molecular Weight: | 86.845 |
| Synonyms: | Lithium bromide;lithiummonobromide;lithiun bromide;LiBr;thiuM broMide;ithium bromide;LITHIUM HALIDE;Lithium Bromide 99.;Lithiumbromide;Lithiumbromid; |
| EINECS: | 231-439-8 |
| Density: | 1.57 g/mL at 25 °C |
| Melting Point: | 550 °C(lit.) |
| Boiling Point: | 1265 °C |
| Flash Point: | 1265 °C |
| Solubility: | 61 g/100 mL (25 °C) in water |
| Appearance: | White powder |
| Hazard Symbols: |
 Xn,  Xi,  F+
|
| Risk Codes: | 22-36/37-12-36/37/38 |
| Safety: | 26 |
| Transport Information: | UN 2056 3/PG 2 |
| PSA: | 0.00000 |
| LogP: | -2.99600 |
B
lithium bromide
| Conditions | Yield |
|---|---|
| In tetrahydrofuran Ar atmosphere; 20°C; solvent removal (vacuum), extraction (hexane), crystn. (20°C, 40 h); elem. anal.; | A 25% B 100% |
B
lithium bromide
| Conditions | Yield |
|---|---|
| In tetrahydrofuran Ar atmosphere; 20°C; solvent removal (vacuum), extraction (hexane), crystn. on cooling (-78°C); elem. anal.; | A 33% B 100% |
bromopentacarbonylmanganese(I)
[C6H5S(O)CH2](1-)*Li(1+)=[C6H5S(O)CH2]Li
A
dimanganese decacarbonyl
B
racemic methyl phenyl sulfoxide
C
diphenyldisulfane
D
lithium bromide
| Conditions | Yield |
|---|---|
| In tetrahydrofuran mixing reactants in THF at -78°C, slow warming to room temp.; evapn. in vac., extn. with pentane, ether and finally acetone or CH2Cl2, concn., chromy. on Al2O3, purifn. by crystn., distn. or sublimation; | A 87% B 41% C 40% D 93% |
phosphorus tribromide
A
bromobis(2,4,6-trimethylborazinyl)phosphane
B
lithium bromide
| Conditions | Yield |
|---|---|
| In diethyl ether; hexane under inert gas; soln. of borazine (3.26 mmol) in mixt. of hexane (10 ml) and Et2O (10 ml) added to soln. of PBr3 (1.63 mmol) in hexane; stirredovernight; LiBr removed by filtration; evapd. (vac.) by 2/3 of volume; kept (5°C, wk); elem. anal.; | A 80% B 90% |
| Conditions | Yield |
|---|---|
| With n-butyllithium In diethyl ether; hexane under inert atmosphere, piperidine in hexane reacted with n-BuLi in hexane, dropwise addn. of GaBr3 in diethyl ether at room temp., refluxed for 30 min, stirred at room temp. for 12 h; evapn. of solvent, taken up in pentane, filtered, evapd. in vac.; elem. anal.; | A 88% B n/a |
lithium trifluoromethanesulfonate
B
lithium bromide
| Conditions | Yield |
|---|---|
| In water at 20℃; for 1h; | A 87% B n/a |
1,2-bis(diethylamino)diboron dibromide
dilithium N,N'-dimethylethylenediaminate
A
2,3-bis(diethylamino)-1,4-dimethyl-1,4,2,3-diazadiborinane
B
lithium bromide
| Conditions | Yield |
|---|---|
| In hexane under N2, addn. of B-compd. in hexane to Li-compd. in hexane at -60°C with stirring, allowed to warm up to room temp., kept for 30 min at reflux; solid material sepd., distd.; elem. anal.; | A 86% B n/a |
lithium trifluoromethanesulfonate
B
lithium bromide
| Conditions | Yield |
|---|---|
| In water at 20℃; for 1h; | A 85% B n/a |
aluminium bromide
neopentyl lithium
A
tris(neopentyl)aluminium
B
lithium bromide
| Conditions | Yield |
|---|---|
| In hexane Addn. of neopentyllithium to a suspn. of AlBr3 in hexane at 0°C in 20 min under protective gas, refluxing (3 h).; Vac. distn. of hexane, sepn. of Al-compd. from LiBr by flask to flask vac. distn. at 120°C. Short-path vac. distn., elem. anal., mol wt.; | A 82.3% B n/a |
1,3-dibromo-1,2,3-tris(dimethylamino)triborane(5)
A
1,3-bis(tert-butylamino)-1,2,3-tris(dimethylamino)triborane(5)
B
lithium bromide
| Conditions | Yield |
|---|---|
| With LiNHCMe3 In toluene anhydrous and oxygen-free condns., addn. of Li-compd. in toluene to a stirred soln. of B-compd. in toluene at -78°C within 10 min, allowed to attain ambient temp., reaction time: 3 h; centrifuged, evapn. of solvent in vac., crystn. (pentane/toluene, -78°C); elem. anal.; | A 81% B n/a |
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Lithium bromide, with the CAS registry number 7550-35-8, is also named as Lithium monobromide. The product's categories are Inorganics; Crystal Grade Inorganics; Lithium Salts; Lithium Metal and Ceramic Science; Analytical Reagents for General Use; Inorganic Salts; Synthetic Reagents; Essential Chemicals; Reagent Plus; Routine Reagents. It is white powder which is easily soluble in water, slightly soluble in pyridine, in methanol, soluble in alcohol, ether acetone, ethylene glycol and other organic solvents. What's more, it is stable. And the anhydrous form is extremely hygroscopic. Additioanlly, this chemical should be sealed in the container and stored in the ventilate and dry place.
The other characteristics of Lithium bromide can be summarized as: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 1; (3)Rotatable Bond Count: 0; (4)Exact Mass: 85.934342; (5)MonoIsotopic Mass: 85.934342; (6)Topological Polar Surface Area: 0; (7)Heavy Atom Count: 2; (8)Formal Charge: 0; (9)Complexity: 2; (10)Isotope Atom Count: 0; (11)Covalently-Bonded Unit Count: 2; (12)Density: 3.464 g/cm3; (13)Melting point: 550 °C; (14)Boiling point: 1265 °C.
Preparation of Lithium bromide: It can be obtained by the neutralization reaction of lithium hydroxide and hydrobromic acid. By bleaching, filtration, concentration filtrate, filtration, concentration and crystallization, separation, we can get the product. LiOH+HBr→LiBr+H2O
Uses of Lithium bromide: It is used in air-conditioning systems as desiccant. Otherwise the salt is useful as a reagent in organic synthesis. It is also used in pharmaceutical industry and photographic industry. And it was used as a sedative beginning in the early 1900s, but it fell into disfavor in the 1940s when some heart patients died after using it as a salt substitute.
When you are using this chemical, please be cautious about it as the following:
It is extremely flammable. And it is not only harmful if swallowed, but also irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
People can use the following data to convert to the molecule structure.
1. SMILES:[Li+].[Br-];
2. InChI:InChI=1/BrH.Li/h1H;/q;+1/p-1;
3. InChIKey:AMXOYNBUYSYVKV-REWHXWOFAS;
The following are the toxicity data which has been tested.
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | intraperitoneal | 580mg/kg (580mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(10), Pg. 57, 1989. | |
| mouse | LD50 | intraperitoneal | 1160mg/kg (1160mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(10), Pg. 57, 1989. | |
| mouse | LD50 | oral | 1840mg/kg (1840mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(10), Pg. 57, 1989. | |
| mouse | LD50 | subcutaneous | 1680mg/kg (1680mg/kg) | Russian Pharmacology and Toxicology Vol. 33, Pg. 266, 1970. | |
| rat | LD50 | oral | 1800mg/kg (1800mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(10), Pg. 57, 1989. |
