High-Purity Benzimidazole | CAS 51-17-2 | Beige to Brown Crystalline Powder for Chemical Synthesis
TDS 3 Inquiries
51-17-2
Chemical Grade
99%
shanghai
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25kg/fiber drum
2025-05-30
pharmaceutical raw materials, pharmaceutical intermediates, basic chemicals and agrochemicals
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Product Description
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Seller Information
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Inquiry History
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DescriptionCertificatesBasic Info
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Product Name:
Benzimidazole
Other Name:1H-Benzimidazole;Benzimidazole;3-Azaindole;Azindole;o-Benzimidazole;1,3-Benzodiazole;Benzoglyoxaline;1,3-Diazaindene;N,N′-Methenyl-o-phenylenediamine;Benziminazole;BZI;NSC 759;1H-Benzo[d]imidazole;1H-1,3-Benzodiazole;116421-27-3;25463-25-6;79351-71-6
CAS No.:51-17-2
Molecular Formula:C7H6N2
InChIKeys:InChIKey=HYZJCKYKOHLVJF-UHFFFAOYSA-N
Molecular Weight:118.14
Exact Mass:118.14
BRN:109682
EC Number:200-081-4
UNII:E24GX49LD8
NSC Number:759
DSSTox ID:DTXSID8024573
Color/Form:RHOMBIC, BIPYRAMIDAL PLATES IN WATER|Tabular crystals|Othrorombic and monoclinic modifications
HScode:29339990
Categories:
Characteristics-
PSA:
28.7
XLogP3:1.3
Appearance:Beige to brown Crystalline Powder or Crystals
Density:1.227 g/cm3
Melting Point:170.5 °C
Boiling Point:>360 °C
Flash Point:360°C
Refractive Index:1.697
Water Solubility:H2O: sparingly soluble ;xylene: soluble 1g in 2g (boiling)(lit.)
Storage Conditions:Store below +30°C.
Toxicity:Oral-rat LD50: 500 mg/kg; Oral-Mouse LD50: 2910 mg/kg
Flammability characteristics:Flammable; burning produces toxic nitrogen oxide fumes
PH:Weak base
PKA:5.3(at 25 °C)
Dissociation Constants:5.3 (at 25 °C)|pKa= 5.48 @ 25 °C|pKa= 5.3 @ 25 °C
Experimental Properties:Dipole moment: 3.93 (Dioxane)
Air and Water Reactions:Insoluble in water.
Reactive Group:Amines, Phosphines, and Pyridines
Reactivity Profile:An amine. Neutralizes acids to form salts plus water. These acid-base reactions are exothermic. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated in combination with strong reducing agents, such as hydrides. May be shock sensitive.
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
pharmaceutical raw materials, pharmaceutical intermediates, basic chemicals and agrochemicals
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Location:
Jiangchen Century Building A, Wuhan, Hubei
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Payment Terms:
TT against copy of documents,D/P,L/C,D/A,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
180
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Total Annual Revenue:
$5 million-$10 million
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Total Employees:
11-50
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Year of Establishment:
2025
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Certifications:
Business license
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Inquiry History3 Inquiries
Country Product Purchase Quantity Date Posted 
Mexico
Benzimidazole
10 KG Oct 24, 2025 
Puerto Rico
Benzimidazole
1 KG May 29, 2026 
Belgium
Alkyl Benzimidazole Sulphonate
50 KG Jan 23, 2024 Post an enquiry for this product
