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Lithium perchlorate

Lithium perchlorate
Lithium perchlorate
CAS No.
7791-03-9
Chemical Name:
Lithium perchlorate
Synonyms
LiClO4;Lithiumperchlora;chloristan litny;Lithium cloricum;Lithiumperchlorat;Iithium perchlorate;LITHIUM PERCHLORATE;perchloratedelithium;Lithium perchlorate ,99%;Lithium perchlorate, p.a.
CBNumber:
CB9697841
Molecular Formula:
ClLiO4
Formula Weight:
106.39
MOL File:
7791-03-9.mol

Lithium perchlorate Properties

Melting point:
236 °C(lit.)
Boiling point:
430°C
Density 
1.13 g/mL at 20 °C
Flash point:
400°C
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
powder
color 
White
Specific Gravity
2.43
PH
6.0-7.5 (25℃, 5%)
PH Range
6.0 - 7.5
Water Solubility 
600 g/L (25 ºC)
Sensitive 
Hygroscopic
Merck 
14,5539
Stability:
Strong oxidizer - contact with combustible material may cause fire. Incompatible with organic materials, combustible materials, strong reducing agents.
CAS DataBase Reference
7791-03-9(CAS DataBase Reference)
NIST Chemistry Reference
Lithium perchlorate(7791-03-9)
EPA Substance Registry System
Perchloric acid, lithium salt(7791-03-9)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  O,Xi,Xn,F
Risk Statements  8-36/37/38-9-20/22-11-67
Safety Statements  17-26-36-37/39-36/37/39-16
RIDADR  UN 1993 3/PG 1
WGK Germany  1
3
TSCA  Yes
HazardClass  5.1
PackingGroup  II
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H272 May intensify fire; oxidizer Oxidising liquids;Oxidising solids Category 2
Category 3
Danger
Warning
P210, P220, P221P280, P370+P378,P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P220 Keep/Store away from clothing/…/combustible materials.
P221 Take any precaution to avoid mixing with combustibles/…
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Lithium perchlorate price More Price(17)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 205281 Lithium perchlorate ACS reagent, ≥95.0% 7791-03-9 5g $42.5 2018-11-13 Buy
Sigma-Aldrich 205281 Lithium perchlorate ACS reagent, ≥95.0% 7791-03-9 100g $90 2018-11-13 Buy
Alfa Aesar 011639 Lithium perchlorate, anhydrous, ACS, 95.0% min 7791-03-9 10g $19.6 2018-11-16 Buy
Alfa Aesar 011639 Lithium perchlorate, anhydrous, ACS, 95.0% min 7791-03-9 100g $52.4 2018-11-16 Buy
Strem Chemicals 93-0345 Lithium perchlorate, anhydrous, 95+% (ACS) 7791-03-9 50g $26 2018-11-13 Buy

Lithium perchlorate Chemical Properties,Uses,Production

Chemical Properties

White crystalline powder

Uses

Used as an oxidizing agent.

Uses

The big advantage of lithium perchlorate is its high density and oxygen availability for combustion. A quite interesting methodology involves the use of lithium perchlorate anhydrides complexes in the acylation of activated aromatic compounds.Lithium perchlorate is frequently utilized as promoter to accelerate the acylation process and to increase the yield in the reaction catalyzed by metal triflates.However, lithium perchlorate itself can act as a very efficient catalyst in the acylation of variously substituted methoxy? and methylbenzenes with AAN affording the aryl ketones in 65%–99% yield. The exceptional activation is ascribed to the formation of a complex with a strong electrophilic character between lithium perchlorate and AAN in neat AAN. The observed para?regioselectivity can be interpreted in terms of the high steric requirement of the lithium perchlorate– AAN complex. A further important feature of this process is the possibility of quantitatively recovering and reusing the catalyst after activation. It must be underlined, however, that lithium perchlorate is an oxidizing compound and can undergo devastating explosions; consequently, it must be handled with maximum care.

Uses

Oxidizing agent.

Battery Materials

Lithium perchlorate (LiClO4) is sufficiently soluble (beyond 1Min organic solvents, e.g., EC/DMC) and forms electrolyte solutions with good conductivity (about 9 mS·cm?1 in EC/DMC at ambient temperature). In organic solvents LiClO4 forms thicker solid electrolyte interface (SEI) layers than LiPF6 or LiBF4, but they are less resistive. This fact is attributed to the highly resistive LiF on the surface which is formed by hydrogen fluoride (HF) generated by hydrolysis of fluorine-containing anions, for example, LiBF4 and LiPF6, with traces of moisture and the existing SEI layer [62, 63]. Furthermore, it has a high anodic stability of up to 5.1 V on LiMn2O4 in EC/DMC and is less hygroscopic than LiPF6. Despite its many advantages, the high oxidation state of chlorine (VII) in ClO4 ? results in problems. LiClO4 solutions are thermally unstable and show explosion risks, especially in ethers.

Purification Methods

Crystallise it from water or 50% aqueous MeOH. It is rendered anhydrous by heating the trihydrate at 170-180o in an air oven. It can then be recrystallised twice from acetonitrile and again dried under vacuum [Mohammad & Kosower J Am Chem Soc 93 2713 1971]. SKIN IRRITANT.

Lithium perchlorate Preparation Products And Raw materials

Raw materials

Preparation Products


Lithium perchlorate Suppliers

Global( 105)Suppliers
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Lithium perchlorate Spectrum


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