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
229997
Zinc chloride
99.999% trace metals basis
Synonym(s):
Dichlorozinc
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| Pack Size | SKU | Availability | Price |
|---|
About This Item
Quality Level
vapor pressure
1 Pa ( 305 °C)(lit.), 1 mmHg ( 428 °C)
assay
99.999% trace metals basis
form
crystals and lumps
reaction suitability
core: zinc, reagent type: catalyst
impurities
≤15.0 ppm Trace Metal Analysis
bp
732 °C (lit.)
mp
293 °C (lit.)
solubility
H2O: very soluble(lit.), acetone: slightly soluble(lit.), ethanol: slightly soluble(lit.)
SMILES string
[Cl-].[Cl-].[Zn++]
InChI
1S/2ClH.Zn/h2*1H;/q;;+2/p-2
InChI key
JIAARYAFYJHUJI-UHFFFAOYSA-L
General description
Application
- in Knoevenagel condensation of carbonyl substrates with acidic methylene reagents
- in solvent-free synthesis of dihydropyrimidinones.
1 of 1
This Item | |||
|---|---|---|---|
| form crystals and lumps | form powder | form powder, crystals or granules | form crystalline powder, powder, crystals or chunks |
| solubility H2O: very soluble(lit.), ethanol: slightly soluble(lit.), acetone: slightly soluble(lit.) | solubility acetone: slightly soluble(lit.), ethanol: slightly soluble(lit.) | solubility - | solubility - |
| assay 99.999% trace metals basis | assay ≥99.995% trace metals basis | assay ≥97% | assay ≥97% |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| vapor pressure 1 Pa ( 305 °C)(lit.), 1 mmHg ( 428 °C) | vapor pressure 1 mmHg ( 428 °C) | vapor pressure 1 mmHg ( 428 °C) | vapor pressure 1 mmHg ( 428 °C) |
| impurities ≤15.0 ppm Trace Metal Analysis | impurities ≤50.0 ppm Trace Metal Analysis | impurities Oxychloride, passes test, ≤0.005% insolubles | impurities Oxychloride, passes test, ≤0.005% insolubles |
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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
8B - Non-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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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 229997-1KG | 04061826680223 |
| 229997-50G | 04061838782267 |
| 229997-10G | 04061838782250 |
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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?
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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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