If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
429430
Zinc chloride
anhydrous, powder, ≥99.995% trace metals basis
Synonym(s):
Dichlorozinc
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 5 g | Available to ship TODAYfromMILWAUKEE | $104.00 | |
| 25 g | Check Cart for Availability | $349.00 |
About This Item
grade
anhydrous
Quality Level
vapor pressure
1 mmHg ( 428 °C)
assay
≥99.995% trace metals basis
form
powder
reaction suitability
core: zinc
impurities
≤50.0 ppm Trace Metal Analysis
bp
732 °C/1 atm (lit.)
mp
293 °C (lit.)
solubility
acetone: slightly soluble(lit.), ethanol: slightly soluble(lit.)
application(s)
electroplating
material synthesis precursor
SMILES string
[Cl-].[Cl-].[Zn++]
InChI
1S/2ClH.Zn/h2*1H;/q;;+2/p-2
InChI key
JIAARYAFYJHUJI-UHFFFAOYSA-L
General description
Application
- as catalyst in knoevenagel condensation of carbonyl substrates with acidic methylene reagents
- in the preparation of porous carbon nanofibers, useful in the fabrication of efficient electrodes for supercapacitors
- as a catalyst in preparation of poly(propylene fumarate)[1]
- in the low temperature synthesis of nanocrystalline zinc oxide films
- in the synthesis of zinc oxide nanoparticles with low agglomeration. Aqueous suspensions of the nanoparticles displayed high transmittance in the visible light range, but exhibited strong absorption in the UV range.
1 of 1
This Item | |||
|---|---|---|---|
| form powder | form powder, crystals or chunks | form crystalline powder, powder, crystals or chunks | form amorphous |
| solubility acetone: slightly soluble(lit.), ethanol: slightly soluble(lit.) | solubility - | solubility - | solubility H2O: soluble |
| assay ≥99.995% trace metals basis | assay ≥98% | assay ≥97% | assay 99.99% trace metals basis |
| grade anhydrous | grade reagent grade | grade ACS reagent | grade synthesis grade |
| mp 293 °C (lit.) | mp 293 °C (lit.) | mp 293 °C (lit.) | mp 293 °C (lit.) |
| vapor pressure 1 mmHg ( 428 °C) | vapor pressure 1 mmHg ( 428 °C) | vapor pressure 1 mmHg ( 428 °C) | vapor pressure 1 mmHg ( 428 °C) |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
target_organs
Respiratory system
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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Articles
Colloidal quantum dots (CQDs) are semiconducting crystals of only a few nanometers (ca. 2–12 nm) coated with ligand/surfactant molecules to help prevent agglomeration.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 429430-5G | 04061832105765 |
| 429430-25G | 04061832105758 |
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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cat: 429430, Zinc chloridefor Whether this reagent can be used for molecular biology experiments, such as enzyme assay?
1 answer-
It is possible that this material can be used for molecular biology applications, but it is not molecular biology grade, which means some of the biological testing is not performed on it. A better selection might be product Z0152, which is intended for molecular biology applications and is tested for DNAse, endonuclease, exonuclease, NICKase, protease, and cell culture suitability:
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