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
305553
Sodium hexametaphosphate
crystalline, +200 mesh, 96%
Synonym(s):
SHMP, Calgon, Phosphate glass, water soluble, Polyphosphate sodium salt, Sodium polyphosphate
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
25 g | Available to ship TODAY | $58.70 |
1 kg | Available to ship TODAY | $86.70 |
5 kg | Available to ship TODAY | $256.00 |
About This Item
$58.70
Available to ship TODAYDetails
Quality Segment
assay
96%
form
crystalline
particle size
+200 mesh
SMILES string
[Na+].[Na+].[P](=O)([O-])([O-])O[P](=O)(O)O
InChI
1S/2Na.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6)/q2*+1;/p-2
InChI key
GYQBBRRVRKFJRG-UHFFFAOYSA-L
General description
Sodium hexametaphosphate is a water-soluble inorganic stabilizing agent used as a surfactant to decrease the zeta potential of halloysite suspensions.
Application
Biochem/physiol Actions
1 of 1
This Item | |||
|---|---|---|---|
| description crystalline, +200 mesh, 96% | description 65-70% P2O5 basis | description - | description BioXtra, 99.0-103.0% |
| form crystalline | form solid | form granular | form powder |
| assay 96% | assay - | assay - | assay 99.0-103.0% |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| particle size +200 mesh | particle size - | particle size - | particle size - |
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Storage Class
13 - Non Combustible Solids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Eyeshields, Gloves, type N95 (US)
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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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What is the average degree of polymerization?
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The degree of polymerization has not been determined for this product. Historically, chain lengths have ranged from 9.5 to 14.5 units.
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