8.18631
Zinc bromide
anhydrous for synthesis
Synonym(s):
Zinc bromide, Zinc dibromide
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| Size/SKU | Availability | Price |
|---|---|---|
5 g | Check Cart for Availability | $53.40 |
250 g | Check Cart for Availability | $148.00 |
1 kg | Check Cart for Availability | $401.00 |
About This Item
Empirical Formula (Hill Notation):
Br2Zn
CAS Number:
Molecular Weight:
225.20
UNSPSC Code:
12352302
EC Index Number:
231-718-4
NACRES:
NA.22
MDL number:
Quality Segment
form
crystals
pH
4 (20 °C in H2O, saturated solution)
bp
697 °C/1013 mbar
mp
394 °C
solubility
4470 g/L
density
4.2 g/cm3 at 20 °C
storage temp.
2-30°C
SMILES string
[Zn](Br)Br
InChI
1S/2BrH.Zn/h2*1H;/q;;+2/p-2
InChI key
VNDYJBBGRKZCSX-UHFFFAOYSA-L
Application
Zinc bromide can be used as:
It can also be used to prepare silica-supported zinc bromide (ZnBr2/SiO2) composite, which is used as a catalyst to synthesize:
- A catalyst to synthesize β-hydroxy ketones by stereoselective semipinacol rearrangement of α-hydroxy epoxides.
- A safe brominating source for the oxidative bromination of alkenes and alkynes in combination with lead tetraacetate.
It can also be used to prepare silica-supported zinc bromide (ZnBr2/SiO2) composite, which is used as a catalyst to synthesize:
- Ynone derivatives via cross-coupling reaction of acid chlorides with terminal alkynes.
- 4,5-disubstituted-1,2,3-(NH)-triazole derivatives by one-pot cross-coupling and 1,3-dipolar cycloaddition reaction of acid chlorides, terminal alkynes, and sodium azide.
Analysis Note
Assay (argentometric): ≥ 98.0 %
Water (K. F.): ≤ 2.0 %
Water (K. F.): ≤ 2.0 %
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Signal Word
Danger
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
Hazard Codes
Storage Class
8B - Non-combustible corrosive hazardous materials
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