1.04874
Potassium hydrogen phthalate
for analysis EMSURE® Reag. Ph Eur
동의어(들):
Potassium hydrogen phthalate
크기 선택
제품정보 (DICE 배송 시 비용 별도)
Quality Level
grade
reagent grade
agency
reag. Ph. Eur.
product line
EMSURE®
assay
≥99.5% dry basis (perchloric acid titration)
form
solid
potency
>3200 mg/kg LD50, oral (Rat)
impurities
≤0.005% In water insoluble matter
loss
≤0.2% loss on drying, 105°C
pH
4.0 (20 °C, 50 g/L in H2O)
mp
295-300 °C
solubility
water: soluble (93 g/l (86 °F / 30 °C))
density
1.636 g/cm3
bulk density
900 kg/m3
anion traces
chloride (Cl-): ≤0.002%, sulfur compounds (as SO42-): ≤0.005%
cation traces
Cu: ≤0.0002%, Fe: ≤0.0005%, Na: ≤0.01%, Pb: ≤0.0005%, heavy metals (as Pb): ≤0.0005%
storage temp.
2-30°C
SMILES string
[K+].[O-]C(=O)c1c(cccc1)C(=O)[O-].[H+]
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
Application
- Coulometric method with titratable impurity analysis and mass balance method: This study presents a method to convert acidimetric purity to chemical purity for potassium hydrogen phthalate, which is validated using quantitative nuclear magnetic resonance (qNMR) techniques, enhancing the standards for analytical chemistry (Huang T et al., 2023).
- Triplet states of the nonlinear optical chromophore DCM in single crystals: Investigates the triplet excited states of the nonlinear optical chromophore DCM in potassium hydrogen phthalate single crystals, linking these states to single-molecule dark states, significant for the development of optical materials (Barbon A et al., 2009).
Analysis Note
Identity (IR-spectrum): passes test
In water insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.002 %
Sulfur compounds (as SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0005 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.0005 %
Loss on Drying (105°C): ≤ 0.2 %
Corresponds to Reag. Ph Eur
Legal Information
저장 등급
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
시험 성적서(COA)
제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.
프로토콜
Spectrophotometric Griess assay protocol for quantitative nitrite analysis in dried meat after extraction with potassium hydrogen phthalate.
추출 후 Griess법을 사용하여 광도측정법으로 측정
Photometric determination using the Griess method subsequent to extraction
국제 무역 품목 번호
| SKU | GTIN |
|---|---|
| 1.04874.1000 | 04022536056173 |
| 1.04874.0250 | 04022536056166 |