1.07243

1,2-Phenylenediamine

GR for analysis

• Synonym(s): 1,2-Phenylenediamine, 1,2-Diaminobenzene
• Linear Formula: 1,2-(NH₂)₂C₆H₄
• CAS Number: 95-54-5
• Molecular Weight: 108.14
• MDL number: MFCD00007721
• UNSPSC Code: 12352116
• EC Index Number: 202-430-6
• NACRES: NB.21

Properties

• vapor pressure: 0.013 hPa ( 20 °C)
• Quality Level: 100
• form: solid
• autoignition temp.: 540 °C
• expl. lim.: 1.5 % (v/v)
• pH: 7-8 (20 °C, 50 g/L in H₂O)
• bp: 257 °C/1013 hPa
• mp: 99-103 °C
• transition temp: flash point 110 °C
• solubility: 54 g/L
• density: 1.14 g/cm³ at 20 °C
• bulk density: 530 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C6H8N2/c7-5-3-1-2-4-6(5)8/h1-4H,7-8H2
• InChI key: GEYOCULIXLDCMW-UHFFFAOYSA-N

Description

Application

• Synthesis of imines from the coupling reaction of alcohols and amines catalyzed by phosphine-free cobalt(II) complexes.: This study explores the use of 1,2-phenylenediamine in catalytic systems, demonstrating its efficacy in synthesizing imines, which are pivotal in various synthetic applications (Mahato et al., 2024).



• Copper(II) Driven Fluorescence switch-on Detection of Ovalbumin and GSH Using a Pyridoxal 5′-phosphate Derived Tetradentate Schiff Base and its Applications.: Research demonstrates the application of 1,2-phenylenediamine-based ligands in creating sensitive fluorescent probes for bioanalytical applications (Dhanshri et al., 2024).

Analysis Note

Assay (HClO₄): ≥ 99.0 %
Identity (IR): passes test
Melting range (lower value): ≥ 99 °C
Melting range (upper value): ≤ 103 °C
Sulfated ash: ≤ 0.25 %
Water (K. F.): ≤ 1.0 %

Safety Information

• Pictograms: GHS06,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H301 - H312 + H332 - H317 - H319 - H341 - H351 - H410
• Precautionary Statements: P273 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Irrit. 2 - Muta. 2 - Skin Sens. 1
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 3
• Flash Point(F): 276.8 °F - closed cup
• Flash Point(C): 136 °C - closed cup