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Merck

114529

Phenol Red

ACS reagent

동의어(들):

Phenolsulfonphthalein

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크기 선택

제품정보 (DICE 배송 시 비용 별도)

실험식(Hill 표기법):
C19H14O5S
CAS 번호:
143-74-8
Molecular Weight:
354.38
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24847179
EC Number:
205-609-7
Beilstein/REAXYS Number:
326470
MDL number:
MFCD00003552

주요 문서

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기술 서비스
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InChI key

BELBBZDIHDAJOR-UHFFFAOYSA-N

InChI

1S/C19H14O5S/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19/h1-12,20-21H

SMILES string

Oc1ccc(cc1)C2(OS(=O)(=O)c3ccccc23)c4ccc(O)cc4

grade

ACS reagent

form

powder

clarity of soln

passes test

technique(s)

titration: suitable

visual transition interval

6.8-8.2, yellow to red

solubility

water: 0.77 g/L at 100 °C

λmax

360 nm, 557 nm (2nd)

ε (extinction coefficient)

≥10000 at 288-294 nm in H2O, ≥55000 at 555-561 nm in H2O, ≥7000 at 357-363 nm in H2O

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

200

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관련 카테고리

Application

Phenol red is commonly used as a pH indicator in biology and medicine. It is incorporated into microbiological culture media for the identification of Escherichia coli strains. Its clinical diagnostic applications include the investigation of gastric and duodenal ulcers and the assessment of tear function in ophthalmology. Phenol red is also used as a tracer to assess the permeability of the ileal mucosal membrane and to assess bacterial leakage through root-filling materials in dentistry.
Phenol Red has been used for the preparation of phenol red gavage meal for measurement of gastric emptying in rats.
Suitable for use as a pH indicator.

Biochem/physiol Actions

Phenol Red is a pH indicator which changes color from yellow to red.

General description

Phenol Red is a phenolsulfonphthalein compound. It is present as a sulfonated hydroxyquinone in weakly acidic aqueous solutions. In alkaline solutions, the dye forms a hydrophilic dianion (a small, red anion that has a larger conjugated system than the yellow hydroxyquinone).

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H335

Hazard Classifications

Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

저장 등급

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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시험 성적서(COA)

Lot/Batch Number
SHBN9335
SHBN6082
SHBM9656
SHBN1510
SHBM7414

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Van der Ploeg L, et al.
Life Sciences, 109, 20-29 (2014)
TiO2 nanotube arrays of 1000 ?m length by anodization of titanium foil: phenol red diffusion.
Paulose M, et al.
The Journal of Physical Chemistry C, 111, 14992-14997 (2007)
Shin-Nosuke Uno et al.
Nature chemistry, 6(8), 681-689 (2014-07-24)
Single-molecule localization microscopy is used to construct super-resolution images, but generally requires prior intense laser irradiation and in some cases additives, such as thiols, to induce on-off switching of fluorophores. These requirements limit the potential applications of this methodology. Here
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