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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
RDD019
Potassium phosphate tribasic
anhydrous, free-flowing, Redi-Dri™, reagent grade, ≥98%
Synonym(s):
Tripotassium phosphate
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About This Item
Recommended Products
grade
anhydrous
reagent grade
Quality Level
product line
Redi-Dri™
assay
≥98%
form
crystalline
quality
free-flowing
loss
≤5.0% loss on ignition
pH
11.9 (25 °C, 10 g/L)
solubility
water: 100 mg/mL, clear, colorless
density
2.564 g/mL at 25 °C (lit.)
SMILES string
[K].OP(O)(O)=O
InChI
1S/3K.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
InChI key
LWIHDJKSTIGBAC-UHFFFAOYSA-K
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This Item | RDD020 | P5504 | P5629 |
|---|---|---|---|
| grade anhydrous, reagent grade | grade anhydrous | grade - | grade reagent grade |
| assay ≥98% | assay ≥99.0% (titration) | assay ≥99.0% | assay ≥98% |
| product line Redi-Dri™ | product line ReagentPlus®, Redi-Dri™ | product line ReagentPlus® | product line - |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| form crystalline | form crystalline | form powder or crystals | form powder |
| pH 11.9 (25 °C, 10 g/L) | pH - | pH 9.2-9.4 (25 °C, 50 g/L) | pH 11.9 (25 °C, 10 g/L) |
Legal Information
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
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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/449/386/product-dating-information-mk.pdfHelpful?
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