Lithium Bromide

HCID 82050CAS 7550-35-8

Basic information

Standard SMILES
[Br-].[Li+]
InChIKey
AMXOYNBUYSYVKV-UHFFFAOYSA-M
Molecular formula
BrLi
Average molar mass
86.9 g/mol
Monoisotopic mass
85.93434165

Overview

Lithium bromide is a lithium salt in which the counterion is bromide. The anhydrous salt forms cubic crystals similar to common salt. It is a bromide salt and a lithium salt.

Names & identifiers

Preferred name
Lithium Bromide
IUPAC
lithium bromide
English name
Lithium bromide
Molecular formula
BrLi
Molecular weight
86.85

Names & synonyms

Lithium bromide7550-35-8Lithium monobromideLithium bromide (LiBr)bromolithiumLITHIUM BROMATUM864G646I84CHEBI:63042DTXSID20892222RefChem:55513DTXCID801079305231-439-8
Show more names
LITHIUM HALIDEAnhydrous lithiuM broMideithium bromideLithiumbromide,dihydrateLITHIUM BROMIDE ANYDROUSLithium bromide, extra pure, 99.999%Lithium bromide anhydrous, free-flowing, Redi-Dri, ReagentPlus, >=99%
LITHIUMBROMIDELiBrlithium;bromideBrLiLithium bromide anhydrousLITHIUM BROMIDE, ANHYDROUSMFCD00011077LIthium bromide solution

Database identifiers

CAS
7550-35-8
PubChem CID
82050
DTXSID
DTXSID20892222
ChEBI
CHEBI:63042
UNII
864G646I84
EC Number
231-439-8
Nikkaji
J43.853G

Properties

Computed structural properties

Topological polar surface area
0 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
1
Rotatable bonds
0
Heavy atoms
2

Experimental & physicochemical properties

Chemical ClassesMetals -> Metals, Inorganic Compounds
SpringerMaterials Propertiesdielectric constant
Density3.464 @25 °C
Melting Point550 °C
Physical Description · 2 items

Dry Powder; Wet Solid; Dry Powder

Highly deliquescent white solid; [Merck Index] White powder, crystals, or beads; Hygroscopic; [Alfa Aesar MSDS]

Physicochemical properties

Melting point
550 °C · 550 °C (lit.)
Boiling point
1265 °C · 1265 °C
Density
1.57 g/mL · 1.57 g/mL at 25 °C
vapor pressure
1 hPa · 1 hPa ( 748 °C)
Flash point
1265 °C · 1265°C
storage temp.
Inert atmosphere,Room Temperature

Safety & regulation

GHS classification

GHS Classification · 6 items

Warning

H302 (98.2%): Harmful if swallowed [Warning Acute toxicity, oral]

P261, P264, P264+P265, P270, P272, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P332+P317, P333+P317, P337+P317, P362+P364, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 279 reports by companies from 14 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Danger

H302: Harmful if swallowed [Warning Acute toxicity, oral]

Hazard information

Regulatory Information · 4 items

Chemical: Lithium bromide (LiBr)

Lithium bromide (LiBr) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Lithium bromide (LiBr) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 13-03-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/13642

Lithium bromide: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationIMAP assessments - Lithium bromide (LiBr): Human health tier I assessment
Hazards Summary · 1 item

Causes flaccid paralysis with appropriate anesthesia, tetany, and arrhythmias in oral lethal-dose studies of mice; [RTECS] High doses may cause CNS depression and disturbed blood electrolyte balance; Chronic exposure may cause skin eruptions and adverse CNS effects; [Merck Index] A skin and strong eye irritant; Harmful by ingestion; [Alfa Aesar MSDS] See Lithium and Bromine.

Hazard Classes and Categories · 4 items

Acute Tox. 4 (98.2%)

Acute toxicity (Oral) - Category 4

Skin sensitization - Category 1B

Acute toxicity (Oral) - Category 4

Safety & protection

Exposure Control and Personal Protection0.2 [mg/m3], inhalable fraction, as Li[German Research Foundation (DFG)]
Protective Action Criteria (PAC) · 3 items

1.5 [mg/m3]

17 [mg/m3]

100 [mg/m3]

Toxicology

Treatment · 1 item

EYES: irrigate opened eyes for several minutes under running water. INGESTION: do not induce vomiting. Rinse mouth with water (never give anything by mouth to an unconscious person). Seek immediate medical advice. SKIN: should be treated immediately by rinsing the affected parts in cold running water for at least 15 minutes, followed by thorough washing with soap and water. If necessary, the person should shower and change contaminated clothing and shoes, and then must seek medical attention. INHALATION: supply fresh air. If required provide artificial respiration.

Health Effects · 1 item

Bromine vapour causes irritation and direct damage to the mucous membranes. Elemental bromine also burns the skin. The bromide ion is a central nervous system depressant and chronic exposure produces neuronal effects. This is called bromism and can result in central reactions reaching from somnolence to coma, cachexia, exicosis, loss of reflexes or pathologic reflexes, clonic seizures, tremor, ataxia, loss of neural sensitivity, paresis, papillar edema of the eyes, abnormal speech, cerebral edema, delirium, aggressiveness, and psychoses. (L625, L626, L627)

Adverse EffectsNeurotoxin - Other CNS neurotoxin
Exposure RoutesOral (L626) ; inhalation (L626) ; dermal (L626)
Toxicity Summary · 1 item

Bromine is a powerful oxidizing agent and is able to release oxygen free radicals from the water in mucous membranes. These free radicals are also potent oxidizers and produce tissue damage. In additon, the formation of hydrobromic and bromic acids will result in secondary irritation. The bromide ion is also known to affect the central nervous system, causing bromism. This is believed to be a result of bromide ions substituting for chloride ions in the in actions of neurotransmitters and transport systems, thus affecting numerous synaptic processes. (L626, L627, A543)

Signs and Symptoms · 1 item

Bromine vapour causes irritation and direct damage to the mucous membranes. Symptoms include lacrimation, rhinorrhoea, eye irritation with mucous secretions from the oropharyngeal and upper airways, coughing, dyspnoea, choking, wheezing, epistaxis, and headache. The bromide ion is a central nervous system depressant producing ataxia, slurred speech, tremor, nausea, vomiting, lethargy, dizziness, visual disturbances, unsteadiness, headaches, impaired memory and concentration, disorientation and hallucinations. This is called bromism. (L626, L627)

Safety data

F
3
wgk
2
tsca
TSCA listed
rtecs
OJ5755000
hs_code
28275900
risk_code
32-40-43-36/37 -36/37/38 -36/38

Chemistry & industry

Pharmacology

Metabolism/Metabolites · 1 item

Bromine is mainly absorbed via inhalation, but may also enter the body through dermal contact. Bromine salts can be ingested. Due to its reactivity, bromine quickly forms bromide and may be deposited in the tissues, displacing other halogens. (L626)

FDA Pharmacological Classification · 2 items

LITHIUM BROMATUM

Mood Stabilizer [EPC]

Uses & manufacturing

UsesUsed as a humectant and sedative/hypnotic; [Merck Index]
U.S. Production2023: 100,000 - <250,000 lb
Consumer UsesNot Known or Reasonably Ascertainable
Industry UsesIntermediate
General Manufacturing Information · 2 items

Petroleum Refineries

Lithium bromide (LiBr): ACTIVE

Applications · 6 items

DescriptionLithium bromide (LiBr) is the chemical compound of lithium and bromine. It has extreme hygroscopic, making it a suitable desiccant in the air conditioning systems. It can also be used in absorption chilling together with water. It is also useful in the organic synthesis such as forming adduct with some pharmaceuticals. In medical fields, it can be used as a sedative and used for the treatment of bipolar disorder. It can be manufactured by the treatment of lithium carbonate with hydrobromic acid.

UsesLithium bromide is used in absorption, refrigeration and air-conditioning systems. A highly concentrated solution of the salt is an efficient absorbent of water vapor. The vapor pressure of such solution is very low. Other applications include the use of the salt as a swelling agent for wool, hair and other organic fibers; as a catalyst in dehydrohalogenation reactions; and as a sedative and hypnotic in medicine.

UsesLithium Bromide finds use as a desiccant in industrial air conditioning systems and industrial drying agents.

UsesIt is used for reconstitution of brines, as swelling agent for proteins and as electrolyte component in lithium battery. Used as brazing and welding flux. Lithium bromide is used as catalyst for the condensation of carbonyl compounds with active methylene compounds in the absence of solvent, operating medium for air-conditioning and industrial drying system. Also used in manufacturing pharmaceuticals and alkylation process. It also plays an important role in the synthesis of dihydropyrimidinones.

UsesAs humectant, in air-conditioning systems. An aqueous solution of lithium bromide containing about 50 % lithium bromide is used as an absorbent in large-scale absorption air conditioning equipment. Lithium bromide is also used in limited amounts by the pharmaceutical industry for dehydrobromination of organic compounds to form olefins.

General DescriptionLiBr/Chlorotrimethylsilane reagent participates in the conversion of alcohols to bromides.

Preparation methods · 2 items

PreparationLithium bromide is prepared by neutralizing lithium hydroxide or lithium carbonate with an aqueous solution of hydrobromic acid, followed by concentration and crystallization: LiOH + HBr → LiBr + H2O Li2CO3 + HBr → LiBr + CO2 + H2O The salt is usually obtained as hydrates. Anhydrous lithium bromide is obtained by heating hydrated salt under vacuum.

PreparationLithium bromide may be prepared by the reaction of lithium hydroxide monohydrate or lithium carbonate with hydrobromic acid. The resultant solution of lithium bromide may be evaporated and cooled to crystallize a hydrate of lithium bromide, the composition of which depends on the final temperature. The lithium bromide hydrate may be filtered from the mixture and carefully dried by the application of heat in a vacuum desiccator to avoid melting the hydrate.

Suppliers50 total

梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
衢州润东化工有限公司0570-8789886 18892685668 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
上海欧金实业有限公司13564718081 13564718081
韶远科技(上海)有限公司021-50795510 4000665055 · [email protected]

Additional notes

DefinitionChEBI: A lithium salt in which the counterion is bromide. The anhydrous salt forms cubic crystals similar to common salt.

Related reactions

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Linked notes

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