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Merck

P1088

Potassio ftalato monobasico

BioXtra, ≥99.95%

Sinonimo/i:

Acido ftalico, KHP, Potassio biftalato, Potassio idrogeno ftalato

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100 G

87,00 €

500 G

317,00 €

87,00 €

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Informazioni su questo articolo

Formula condensata:
HOOCC6H4COOK
Numero CAS:
877-24-7
Peso molecolare:
204.22
UNSPSC Code:
12161700
NACRES:
NA.25
PubChem Substance ID:
24898152
EC Number:
212-889-4
Beilstein/REAXYS Number:
3637128
MDL number:
MFCD00013070

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Nome del prodotto

Potassio ftalato monobasico, BioXtra, ≥99.95%

InChI key

IWZKICVEHNUQTL-UHFFFAOYSA-M

InChI

1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1

SMILES string

[K+].OC(=O)c1ccccc1C([O-])=O

product line

BioXtra

assay

≥99.95%

form

powder or crystals

impurities

<0.005% Insoluble matter
<0.005% Phosphorus (P)

pH

4

mp

295-300 °C (dec.) (lit.)

anion traces

chloride (Cl-): <0.003%
sulfur compounds (as SO42-): ≤0.002%

cation traces

Al: <0.0005%
Ca: <0.005%
Cu: <0.0005%
Fe: <0.0005%
Mg: <0.0005%
NH4+: <0.05%
Na: <0.005%
Pb: <0.001%
Zn: <0.0005%

Quality Level

200

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Questo articolo
1.02400NIST84L60360
Potassio ftalato monobasico BioXtra, &#8805;99.95%

Sigma-Aldrich

P1088

Potassio ftalato monobasico

Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur&#174; Reag. Ph Eur

Supelco

1.02400

Potassium hydrogen phthalate

Potassio ftalato monobasico NIST&#174; SRM&#174; 84l

NIST84L

Potassio ftalato monobasico

Potassio ftalato monobasico puriss. p.a., &#8805;99.5% (T)

Sigma-Aldrich

60360

Potassio ftalato monobasico

assay

≥99.95%

assay

-

assay

-

assay

≥99.5% (T)

Quality Level

200

Quality Level

300

Quality Level

100

Quality Level

200

product line

BioXtra

product line

-

product line

-

product line

-

form

powder or crystals

form

solid

form

-

form

solid

pH

4

pH

4.0 (20 °C, 50 g/L in H2O)

pH

-

pH

4

impurities

<0.005% Insoluble matter, <0.005% Phosphorus (P)

impurities

-

impurities

-

impurities

-

Application

Potassium hydrogen phthalate has been used as a substrate to assess the permeation from the extracellular (EC) to the periplasmic (PP) side through DcaP. It has also been used as one of the polyurethane materials for the characterization of polyester triol (OH).

Features and Benefits

  • Long-term stability
  • Exhibits dielectric properties

General description

Potassium hydrogen phthalate (KHP) is a semi-organic salt that is a member of the alkali acid phthalate series. KHP crystals are useful in devices because of their electro-optical properties. It usually acts as a model compound due to its well-developed surface pattern on the (010) face that can be easily observed by optical microscopy.

Classe di stoccaggio

11 - Combustible Solids

wgk

WGK 1

flash_point_f

387.1 °F - Pensky-Martens closed cup

flash_point_c

197.3 °C - Pensky-Martens closed cup

ppe

Eyeshields, Gloves, type N95 (US)

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Certificati d'analisi (COA)

Lot/Batch Number
MKCZ6394
MKCV7840
MKCW6054
MKCS3748
MKCS3749

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Domande

1–4 di 4 domande  

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

    1 risposta

    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/418/501/product-dating-information-06-25-mk.pdf

      Utile?

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

    1 risposta

    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

      Utile?

  3. Hi, Is the BioXtra grade equivalent to ACS grade and can we use this reagent for the standardization of NaOH solution as prescribed by the USP pharmacopeia (instead of the ACS grade) ? Thank you in advance.

    1 risposta

    1. The BioXtra is not equivalent to the ACS grade. For the standardization of NaOH solutions, it is recommended to use Product 1024000083 which is a certified reference material (CRM) for the standardization of volumetric solutions in alkalimetric titrations, according to Ph. Eur.

      Utile?

  4. I want to know the expiration date of KHP(P1088)

    1 risposta

    1. This product is not assigned an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one year warranty from the date of shipment. For more information you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.

      Utile?

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