추천 제품
![Dipyrazino[2,3-f:2′,3′-h]quinoxaline-2,3,6,7,10,11-hexacarbonitrile 95% (HPLC)](/deepweb/assets/sigmaaldrich/product/structures/151/558/c0e2c95f-5228-4864-a7a5-4b9765a19840/640/c0e2c95f-5228-4864-a7a5-4b9765a19840.png)
Grade
ACS reagent
anhydrous
Quality Level
vapor pressure
<1 mmHg ( 20 °C)
제품 라인
Redi-Dri™
분석
≥99%
형태
solid
품질
free-flowing
불순물
≤0.2% water
무기 잔류물
≤0.1%
pH
9.5-11.0 (25 °C, 5% in H2O)
pKa(25 °C)
6.95
bp
256 °C (lit.)
mp
88-91 °C (lit.)
양이온 미량물
Fe: ≤0.001%
SMILES string
c1c[nH]cn1
InChI
1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)
InChI key
RAXXELZNTBOGNW-UHFFFAOYSA-N
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애플리케이션
Imidazole can be used as a proton transfer agent in the synthesis of porous organic polymers because of its amphiprotic nature and fast proton transfer behavior.
Imidazole can be used as a catalyst in the following
Imidazole can be used as a catalyst in the following
- Silylation of alcohols, carboxylic acids, and amines in the presence of silyl chloride in DMF.
- To prepare acid chlorides from the corresponding carboxylic acids and phosgene.
- Imidazole-PPh3/I2 catalytic system used in the conversion of alcohols into iodides.
- Imidazole-PPh3/I2 is used in the diol deoxygenation reaction.
Excellent for buffers in the range of pH 6.2-7.8
법적 정보
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
신호어
Danger
유해 및 위험 성명서
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
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문서
Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.
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