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1.11452

Millipore

Phthaldialdehyde

for fluorometry

Synonym(s):

Phthaldialdehyde, OPA

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About This Item

Linear Formula:
C6H4-1,2-(CHO)2
CAS Number:
Molecular Weight:
134.13
MDL number:
UNSPSC Code:
12352114
EC Index Number:
211-402-2
NACRES:
NA.21

Quality Level

form

solid

autoignition temp.

480 °C

potency

178 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rat)

pH

7 (20 °C, 53 g/L in H2O)

bp

83-84 °C/1 hPa

mp

52-58 °C

transition temp

flash point 132 °C

solubility

53 g/L

density

1.13 g/cm3 at 20 °C

bulk density

530 kg/m3

storage temp.

2-30°C

InChI

1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H

InChI key

ZWLUXSQADUDCSB-UHFFFAOYSA-N

Application


  • Combined techniques for revealing the mechanism beneath the inhibition effects of pectin on gluten digestibility using static in vitro gastro-duodenal protocols.: This study uses a combination of techniques to explore how pectin affects gluten digestibility, providing insights into the interaction of phthaldialdehyde derivatives with gluten proteins (Lin et al., 2024).

  • Analysis of Gizzerosine in Foodstuffs by HPLC Involving Pre-column Derivatization with o-Phthaldialdehyde.: This research develops a method using HPLC with pre-column derivatization involving phthaldialdehyde to analyze gizzerosine in foodstuffs, demonstrating the compound′s utility in food safety studies (Li and Wu, 2024).

  • Comprehensive studies on the development of HPLC-MS/MS and HPLC-FL based methods for routine determination of homocysteine thiolactone in human urine.: This study develops and validates methods using phthaldialdehyde derivatives for the determination of homocysteine thiolactone in human urine, contributing to clinical diagnostics and biochemical research (Piechocka and Głowacki, 2024).

  • Smart-detection approach for protein residues to evaluate the cleaning efficacy of reusable medical devices.: Utilizing phthaldialdehyde for protein residue detection, this study provides a smart detection approach to improve the cleaning efficacy of medical devices, enhancing patient safety (Ouirungroj et al., 2024).

  • One-pot sample preparation procedure for the determination of protein N-linked homocysteine by HPLC-FLD based method.: This research presents a novel one-pot sample preparation method using phthaldialdehyde for determining protein N-linked homocysteine, advancing analytical techniques in protein chemistry (Piechocka and Głowacki, 2023).


Analysis Note

Purity (GC): ≥ 99 %
Identity (IR): conforms
Melting point: 54 - 58 °C
Fluorescence (340 nm, 0,8 g/l, ethanol, as quinine): ≤ 2 ppb
Phthalic acid (TLC): ≤ 0.5 %
Nitrogen compounds (as N): ≤ 0.05 %

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

269.6 °F - closed cup

Flash Point(C)

132 °C - closed cup


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