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CAS RN: 546-67-8 | Product Number: L0021

Lead Tetraacetate (contains Acetic Acid)

Purity: >96.0%(T)
  • LTA (contains Acetic Acid)
1   ≥20 
1   16  

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Product Number L0021
Purity / Analysis Method >96.0%(T)
Molecular Formula / Molecular Weight C__8H__1__2O__8Pb = 443.38  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive,Moisture Sensitive,Heat Sensitive
CAS RN 546-67-8
Reaxys Registry Number 3595640
PubChem Substance ID 87571991
Merck Index (14) 5423
MDL Number


Appearance White to Almost white powder to crystal
Purity(Iodometric Titration) min. 96.0 %
Properties (reference)
Melting Point 180 °C
Solubility (soluble in) Alcohol,Benzene,Chloroform,Nitrobenzene
Pictogram Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H302 + H332 : Harmful if swallowed or if inhaled.
H315 : Causes skin irritation.
H373 : May cause damage to organs through prolonged or repeated exposure.
H341 : Suspected of causing genetic defects.
H350 : May cause cancer.
H360Df : May damage the unborn child. Suspected of damaging fertility.
H410 : Very toxic to aquatic life with long lasting effects.
Precautionary Statements P273 : Avoid release to the environment.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P220 : Keep away from clothing and other combustible materials.
P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P201 : Obtain special instructions before use.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P391 : Collect spillage.
P308 + P313 : IF exposed or concerned: Get medical advice/ attention.
Related Laws:
EC Number 208-908-0
RTECS# AI5300000
Transport Information:
UN Number UN3087
Class 5.1 / 6.1
Packing Group III
HS Number 2915290090
Generation of Benzyne using Pb(OAc)4 and Synthesis of Dibenzocyclobutadiene



Oxidation of 1,2-Diols (Criegee Oxidation)1)

Typical Procedure:
To a solution of olefine 1 (11.9 mg, 0.030 mmol) and DMAP (7.33 mg, 0.060 mmol, 2 eq.) in t-BuOH (100 µL) is added a solution of OsO4 (7.62 mg, 0.030 mmol, 1 eq.) in water (200 µL). The orange-red solution is stirred at rt for 5-10 min. Solid Na2SO3 (19 mg, 0.15 mmol, 5 eq.) is added. The resulting mixture is applied directly to preparative TLC (CHCl3 : MeOH : NH4OH = 25 : 10 : 1) and diol is collected by washing silica gel with a mixture of CHCl3 : MeOH = 2 : 1. Concentration under reduced pressure (< 25 ℃) affords the slightly unstable diol 2, which is dissolved in CH2Cl2 (2 mL). The solution then is cooled to -20 ℃ and AcOH (9.0 mg, 8.6 µL, 5 eq.) is added, followed by solid Pb(OAc)4 (11 mg, 0.025 mmol) in portions. TLC (CH2Cl2 : MeOH = 1 : 1 and 25 : 1) monitors the end of the reaction. The resulting yellow solution is stirred at -20 ℃ for 5-10 min, washed with water, saturated NaHCO3 and brine, dried over Na2SO4 and evaporated under reduced pressure to give 3 (8.5 mg, Y. 71%) of silica gel labile ketone as a yellow powder.


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