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Merck

NIST84L

Potassium hydrogen phthalate

NIST® SRM® 84l

동의어(들):

Potassium phthalate monobasic, KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate

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크기 선택

제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
HOOCC6H4COOK
CAS 번호:
877-24-7
Molecular Weight:
204.22
Beilstein:
3637128
MDL number:
MFCD00013070
UNSPSC 코드:
41116107
PubChem Substance ID:
329818774
NACRES:
NA.24

주요 문서

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Grade

certified reference material

Quality Level

100

Agency

suitable for SM 2310
suitable for SM 2320

포장

pkg of 60 g

제조업체/상표

NIST®

기술

titration: suitable

mp

295-300 °C (dec.) (lit.)

형식

matrix material

SMILES string

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

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

InChI key

IWZKICVEHNUQTL-UHFFFAOYSA-M

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관련 카테고리

일반 설명

It consists of highly purified potassium hydrogen phthalate (KHP), KHC8H4O4. Its certified value is calculated as the mass fraction of total acid (replaceable H+) expressed as KHP. Its certified value is based on the results of coulometric assays of ground and dried material. The assay value for this material was obtained by automated coulometric titration to the inflection point (pH ≈ 8.4) of weighed test portions of KHP. The certified value represents the result of 30 titrations of test portions taken from 16 bottles selected by stratified random sampling.

The certification of SRM 84L is valid, within the measurement uncertainties specified, provided the RM is handled and stored in accordance with the instructions given in the “Instructions for Storage and Use”.

SRM 84L_CERT

SRM 84L_SDS

애플리케이션

This Standard Reference Material (SRM) is intended for use as an acidimetric primary standard. This SRM is certified for acidimetric assay ONLY and is not intendedfor use as a pH standard.

특징 및 장점

  • A unit of SRM 84L is supplied as crystalline material in a 60 g unit
  • Information on product description, disposal, and transportation is available in the accompanying MSDS
  • The enclosed CoA contains information on the SRM’s expiry date and instructions for its handling, storage, and use

기타 정보

Certified for the analytes listed below.
Potassium Hydrogen Phthalate

See certificate for values and more details at nist.gov/SRM.

법적 정보

NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point (°F)

387.1 °F - Pensky-Martens closed cup

Flash Point (°C)

197.3 °C - Pensky-Martens closed cup

시험 성적서(COA)

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