1-(methylvinyl)-1H-benzimidazol-2(3H)-one
1,3-Dihydro-1-(1-methylethenyl)-2H-benzimidazole-2-one
CAS: 52099-72-6
Molecular Formula: C10H10N2O
1-(methylvinyl)-1H-benzimidazol-2(3H)-one - Names and Identifiers
| Name | 1,3-Dihydro-1-(1-methylethenyl)-2H-benzimidazole-2-one |
| Synonyms | N-Isopropenyl-2-benzimidazolone 1-lsopropenyl-2-benziMidazolidinone 1-Isopropenyl-2-benzimidazolidinone 1-Isopropenyl-1H-benzimidazol-2(3H)-one 3-Isopropenyl-1H-benzimidazole-2(3H)-one 1-(methylvinyl)-1H-benzimidazol-2(3H)-one 1-(2-Propenyl)-1,3-dihydro-benziMidazol-2H-one 1-(prop-1-en-2-yl)-1H-benzo(d)imidazol-2(3H)-one 1-(prop-1-en-2-yl)-1,3-dihydro-2H-benzimidazol-2-one 1,3-Dihydro-1-(1-methylethenyl)-2H-benzimidazole-2-one 2H-BenziMidazol-2-one, 1,3-dihydro-1-(1-Methylethenyl)- |
| CAS | 52099-72-6 |
| EINECS | 257-661-5 |
| InChI | InChI=1/C10H10N2O/c1-7(2)12-9-6-4-3-5-8(9)11-10(12)13/h3-6H,1H2,2H3,(H,11,13) |
| InChIKey | XFASJWLBXHWUMW-UHFFFAOYSA-N |
1-(methylvinyl)-1H-benzimidazol-2(3H)-one - Physico-chemical Properties
| Molecular Formula | C10H10N2O |
| Molar Mass | 174.2 |
| Density | 1.1455 (rough estimate) |
| Melting Point | 120-124 °C |
| Boling Point | 305.17°C (rough estimate) |
| Appearance | Crystalline Powder |
| Color | White to slightly cream |
| BRN | 140587 |
| pKa | 11.72±0.30(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.6300 (estimate) |
1-(methylvinyl)-1H-benzimidazol-2(3H)-one - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R25 - Toxic if swallowed |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2810 6.1/PG 3 |
| WGK Germany | 3 |
| HS Code | 29339980 |
1-(methylvinyl)-1H-benzimidazol-2(3H)-one - Introduction
1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one is an organic compound with the chemical formula C12H13N3O. The following is a description of its nature, use, preparation and safety information:
Nature:
1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one is a white solid that dissolves in solvents. It has structural features similar to benzimidazolone and also contains an isopropenyl group.
Use:
1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one is often used as a photoinitiator for photocuring systems. Photoinitiators can initiate photochemical reactions by absorbing light energy and releasing active species. 1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one can be used to prepare products such as light-cured coatings, glues, and printing inks.
Preparation Method:
The preparation method of 1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one is more complicated, and a commonly used method is to prepare by the synthetic reaction of benzimidazolone. Imidazole is first reacted with ammonium sulfoxide to give imidazole sulfoxide, which is then reacted with benzimidazolone, and finally the resulting product is reacted with isopropyl acetate to give 1,3-Dihydro-1-(1-methylethenyl)-2H-benzimidazole-2-one.
Safety Information:
1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one has limited toxicity data, but when used correctly, it is unlikely to have serious health effects on the human body. However, it may irritate the skin, eyes and respiratory system, so care should be taken to avoid contact with it. At the same time, in order to ensure safety, the relevant hazardous substances handling and storage guidelines should be followed. During use, appropriate laboratory practices and personal protective measures should be followed.
Nature:
1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one is a white solid that dissolves in solvents. It has structural features similar to benzimidazolone and also contains an isopropenyl group.
Use:
1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one is often used as a photoinitiator for photocuring systems. Photoinitiators can initiate photochemical reactions by absorbing light energy and releasing active species. 1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one can be used to prepare products such as light-cured coatings, glues, and printing inks.
Preparation Method:
The preparation method of 1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one is more complicated, and a commonly used method is to prepare by the synthetic reaction of benzimidazolone. Imidazole is first reacted with ammonium sulfoxide to give imidazole sulfoxide, which is then reacted with benzimidazolone, and finally the resulting product is reacted with isopropyl acetate to give 1,3-Dihydro-1-(1-methylethenyl)-2H-benzimidazole-2-one.
Safety Information:
1,3-Dihydro-1-(1-methyllethenyl)-2H-benzimidazole-2-one has limited toxicity data, but when used correctly, it is unlikely to have serious health effects on the human body. However, it may irritate the skin, eyes and respiratory system, so care should be taken to avoid contact with it. At the same time, in order to ensure safety, the relevant hazardous substances handling and storage guidelines should be followed. During use, appropriate laboratory practices and personal protective measures should be followed.
Last Update：2024-04-10 22:29:15
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