1.04716
Imidazole
buffer substance ACS
Synonym(s):
Imidazole, Glyoxaline, Iminazole
About This Item
Recommended Products
grade
ACS reagent
Quality Level
vapor pressure
0.003 hPa ( 20 °C)
Assay
≥99% (perchloric acid titration)
form
solid
autoignition temp.
480 °C
potency
970 mg/kg LD50, oral (Rat)
pH
10.5 (20 °C, 67 g/L in H2O)
bp
256 °C/1013 hPa
mp
90 °C
transition temp
flash point 145 °C
solubility
633 g/L
density
1.233 g/cm3 at 20 °C
bulk density
500‑600 kg/m3
storage temp.
15-25°C
InChI
1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)
InChI key
RAXXELZNTBOGNW-UHFFFAOYSA-N
Analysis Note
Identity (IR-spectrum): conforms
pH-value (5 %, in water): 9.5 - 11.0
Melting point: 90 - 92
UV/VIS Spectrum: conforms
Fe (Iron): ≤ 0.001 %
Sulfated ash: ≤ 0.1
Water (according to Karl Fischer): ≤ 0.2
Corresponts to ACS
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C
Storage Class Code
6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 2
Flash Point(F)
293.0 °F - closed cup
Flash Point(C)
145 °C - closed cup
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
EU REACH Annex XVII (Restriction List)
Certificates of Analysis (COA)
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