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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:
25G
$87.00
≥20  ≥20 

* Please contact our distributors or TCI to order our products. The above prices do not include freight cost, customs, and other charges to the destination.
* The storage conditions are subject to change without notice.


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 Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H330 : Fatal if inhaled.
H302 + H312 : Harmful if swallowed or 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 P501 : Dispose of contents/ container to an approved waste disposal plant.
P273 : Avoid release to the environment.
P272 : Contaminated work clothing should not be allowed out of the workplace.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray.
P270 : Do not eat, drink or smoke when using this product.
P202 : Do not handle until all safety precautions have been read and understood.
P201 : Obtain special instructions before use.
P271 : Use only outdoors or in a well-ventilated area.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P284 : Wear respiratory protection.
P391 : Collect spillage.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention.
P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.
P302 + P352 + P312 : IF ON SKIN: Wash with plenty of water.Call a POISON CENTER/doctor if you feel unwell.
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.
P405 : Store locked up.
Related Laws:
RTECS# SS7875000
Transport Information:
UN Number UN1673
Class 6.1
Packing Group III
H.S.code* 2921.51-000
*This code is applied to the products when TCI exports from Japan and not for import in your country.
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


PubMed Literature


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