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104716 Imidazole


Replacement Information

Key Spec Table

CAS #Empirical Formula


Catalogue NumberPackaging Qty/Pack
1047160050 Plastic bottle 50 g
1047160250 Plastic bottle 250 g
1047161000 Plastic bottle 1 kg
Catalogue Number104716
SynonymsGlyoxaline, Iminazole
Product Information
CAS number288-32-4
EC index number613-319-00-0
EC number206-019-2
Hill FormulaC₃H₄N₂
Molar Mass68.08 g/mol
HS Code2933 29 91
Structure formula ImageStructure formula Image
Quality LevelMQ200
ApplicationImidazole buffer substance ACS. CAS 288-32-4, pH 10.5 (67 g/l, H₂O, 20 °C).
Biological Information
Physicochemical Information
Density1.233 g/cm3 (20 °C)
Flash point145 °C
Ignition temperature480 °C
Melting Point90.5 °C
pH value10.5 (67 g/l, H₂O, 20 °C)
Vapor pressure0.003 hPa (20 °C)
Bulk density500 - 600 kg/m3
Solubility633 g/l
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 970 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H360D: May damage the unborn child.
Precautionary Statement(s)P260: Do not breathe dust.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal WordDanger
Storage class6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGKWGK 2 obviously hazardous to water
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety Information
Categories of dangertoxic for reproduction, harmful, corrosive
Product Usage Statements
Storage and Shipping Information
StorageStore at +15°C to +25°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 3263 , 8, III
Declaration (transport by air) IATA-DGRUN 3263 , 8, III
Declaration (transport by sea) IMDG-CodeUN 3263 , 8, III, Segregation Group: 18 (Alkalis)
Supplemental Information
Assay (perchloric acid titration)≥ 99
Identity (IR-spectrum)conforms
pH-value (5 %, in water)9.5 - 11.0
Melting point90 - 92
UV/VIS Spectrumconforms
Fe (Iron)≤ 0.001 %
Sulfated ash≤ 0.1
Water (according to Karl Fischer)≤ 0.2
Corresponts to ACS
Global Trade Item Number
Catalogue Number GTIN
1047160050 04022536053929
1047160250 04022536053936
1047161000 04022536053950


Imidazole SDS


Safety Data Sheet (SDS) 

Imidazole Certificates of Analysis

Product Number PackagingSpecificationLot Number
1047160050 Plastic bottlePDF Specification Document
1047160250 Plastic bottlePDF Specification Document
1047161000 Plastic bottlePDF Specification Document

Application Notes

Water in 2-Mercaptoethanol
Water in 3-Mercaptopropane-1,2-diol
Water in Chloroacetic acid
Water in Dichloroacetic acid
Water in Erythromycin
Water in Glutathione
Water in L-cysteine
Water in Mercaptopropionic acid
Water in Trifluoroacetic acid