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CAS RN: 95-54-5 | Product Number: P0968
1,2-Phenylenediamine
Purity: >98.0%(GC)(T)
Synonyms:
- 1,2-Diaminobenzene
Documents:
Size | Unit Price | Belgium | Japan* | Quantity |
---|---|---|---|---|
25G |
£90.00
|
1 | ≥20 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
Product Number | P0968 |
Purity / Analysis Method | >98.0%(GC)(T) |
Molecular Formula / Molecular Weight | C__6H__8N__2 = 108.14 |
Physical State (20 deg.C) | Solid |
Storage Temperature | 0-10°C |
Store Under Inert Gas | Store under inert gas |
Condition to Avoid | Light Sensitive,Air Sensitive,Heat Sensitive |
CAS RN | 95-54-5 |
Reaxys Registry Number | 606074 |
PubChem Substance ID | 87575082 |
SDBS (AIST Spectral DB) | 2795 |
Merck Index (14) | 7284 |
Colour Index | 76010 |
MDL Number | MFCD00007721 |
Specifications
Appearance | White to Almost white powder to crystal |
Purity(GC) | min. 98.0 % |
Purity(Nonaqueous Titration) | min. 98.0 % |
Melting point | 100.0 to 105.0 °C |
Absorbance | max. 0.010(20g/L, H2O, 450nm) |
Properties (reference)
Melting Point | 103 °C |
Boiling Point | 265 °C |
Solubility in water | Soluble |
Degree of solubility in water | 41 g/l 35 °C |
Solubility (very soluble in) | Alcohol,Ether,Chloroform |
Solubility (soluble in) | Benzene,Acetone |
GHS
Pictogram |
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Signal Word | Danger |
Hazard Statements | H330 : Fatal if inhaled. H301 : Toxic if swallowed. H312 : Harmful in contact with skin. H319 : Causes serious eye irritation. H371 : May cause damage to organs. H370 : Causes damage to organs. H373 : May cause damage to organs through prolonged or repeated exposure. H317 : May cause an allergic skin reaction. H341 : Suspected of causing genetic defects. H351 : Suspected of causing cancer. H410 : Very toxic to aquatic life with long lasting effects. |
Precautionary Statements | P273 : Avoid release to the environment. P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P391 : Collect spillage. P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor. P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P403 + P233 : Store in a well-ventilated place. Keep container tightly closed. |
Related Laws:
EC Number | 202-430-6 |
RTECS# | SS7875000 |
Transport Information:
UN Number | UN1673 |
Class | 6.1 |
Packing Group | III |
HS Number | 2921511910 |
Application
Synthesis of Benzimidazole Using Gold’s Reagent
A dry, three-necked, round-bottomed flask is equipped with a condenser, thermometer, magnetic stirrer and is placed under a nitrogen atmosphere. Into the flask is placed 100 mL of dry 1,4-dioxane along with 5.4 g (0.05 mol) of 1,2-phenylenediamine and 9.9 g (0.061 mol) of Gold’s reagent. The mixture is refluxed overnight, cooled to room temperature and 4.1 g (0.05 mol) of anhydrous sodium acetate and 2 mL of glacial acetic acid are added. The resulting mixture is refluxed for 3 hours, cooled to room temperature and the solvent is removed in vacuo. The residue is taken up in chloroform (100 mL), extracted with a saturated, aqueous solution of sodium bicarbonate (3 x 50 mL) and dried over anhydrous magnesium sulfate. After removing the drying agent by filtration, the chloroform extract is concentrated in vacuo to leave a solid which is collected by vacuum filtration with the aid of a small amount (15 mL) of water. The resulting benzimidazole amounts to 3.7 g (63% yield).
References
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