4-Methylphenylacetic acid (CAS # 622-47-9)
| Awọn aami ewu | Xi - Irritant |
| Awọn koodu ewu | 36/37/38 - Irritating si oju, eto atẹgun ati awọ ara. |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 - Wọ aṣọ aabo to dara. S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju. |
| WGK Germany | 3 |
| RTECS | AJ7569000 |
| HS koodu | 29163900 |
| Kíláàsì ewu | IKANU |
Ọrọ Iṣaaju
Methylphenylacetic acid. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti p-totophenylacetic acid:
Didara:
- Irisi: Ifarahan ti o wọpọ ti methylphenylacetic acid jẹ okuta funfun ti o lagbara.
- Solubility: O kere ju tiotuka ninu omi ṣugbọn o le jẹ tiotuka ninu ọpọlọpọ awọn olomi Organic.
Lo:
Ọna:
- Ọna igbaradi ti o wọpọ ni a gba nipasẹ transesterification ti toluene ati soda carbonate. P-toluene fesi pẹlu ọti-lile, gẹgẹ bi awọn ethanol tabi kẹmika, lati dagba p-toluene, eyi ti o ti wa ni reacted pẹlu soda carbonate lati fun methylphenylacetic acid.
Alaye Abo:
Methylphenylacetic acid jẹ iduroṣinṣin ni iwọn otutu yara ati pe o le decompose labẹ awọn iwọn otutu giga, awọn orisun ina tabi ina, ti n ṣe awọn nkan majele.
- Awọn iṣọra ti o yẹ yẹ ki o ṣe nigba mimu methamphenylacetic acid mu, gẹgẹbi wọ aṣọ oju aabo, awọn ibọwọ ati aṣọ aabo. Yago fun ifasimu, jijẹ, tabi olubasọrọ ara lati yago fun idamu tabi ipalara.
- Methylphenylacetic acid yẹ ki o wa ni ipamọ kuro lati ina, awọn aṣoju oxidizing ti o lagbara, ati awọn irin ifaseyin ni ibi gbigbẹ, aaye ti o ni afẹfẹ daradara.
