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S9390

Sigma-Aldrich

Sodium phosphate dibasic heptahydrate

ACS reagent, 98.0-102.0%

Szinonimák:

Disodium hydrogen phosphate heptahydrate, Disodium phosphate

Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez

Méret kiválasztása

100 G
11 200,00 Ft
500 G
22 900,00 Ft
1 KG
48 400,00 Ft
2.5 KG
91 600,00 Ft

11 200,00 Ft

Az elérhetőséggel kapcsolatos kérdésekkel kérjük, forduljon Vevőszolgálatunkhoz.
Megrendelés igénylése nagy tételben
Összes fotó(5)

Méret kiválasztása

Nézet módosítása
100 G
11 200,00 Ft
500 G
22 900,00 Ft
1 KG
48 400,00 Ft
2.5 KG
91 600,00 Ft

About This Item

Lineáris képlet:
Na2HPO4 · 7H2O
CAS-szám:
7782-85-6
Molekulatömeg:
268.07
EC-szám:
237-707-0
MDL-szám:
MFCD00149180
UNSPSC kód:
12352302
PubChem Substance ID:
329824623
NACRES:
NA.21
Teszt:
98.0-102.0%
grade:
ACS reagent
Forma:
powder

11 200,00 Ft

Az elérhetőséggel kapcsolatos kérdésekkel kérjük, forduljon Vevőszolgálatunkhoz.
Megrendelés igénylése nagy tételben

grade

ACS reagent

Minőségi szint

200

gőzsűrűség

4.9 (vs air)

Teszt

98.0-102.0%

Forma

powder

szennyeződések

≤0.005% Insoluble matter

pH

8.7-9.3 (25 °C, 5% in solution)

sűrűség

1.68 g/mL at 25 °C (lit.)

anion nyomok

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.005%

kation nyomok

Fe: ≤0.001%
heavy metals: ≤0.001% (by ICP)

SMILES string

O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O

InChI

1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2

Nemzetközi kémiai azonosító kulcs

PYLIXCKOHOHGKQ-UHFFFAOYSA-L

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Általános leírás

Sodium phosphate dibasic heptahydrate is a hydrated form of disodium phosphate (DSP) or disodium hydrogen orthophosphate. DSP is widely used as a pH regulator and saline laxative.

Alkalmazás

A mixture of sodium phosphate dibasic heptahydrate, potassium phosphate monobasic, and NaCl in deionized water is used for the preparation of phosphate-buffered saline (PBS, pH 7.4). PBS is used as a buffer solution in biological research to keep the pH constant.

Tárolási osztály kódja

13 - Non Combustible Solids

WGK

WGK 1

Lobbanási pont (F)

Not applicable

Lobbanási pont (C)

Not applicable

Válasszon a legfrissebb verziók közül:

Analitikai tanúsítványok (COA)

Lot/Batch Number
0000418563
0000418563
0000415865
0000415865
0000395924

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COA keresése

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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. 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

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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.pdf

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