4-Heptanolide (CAS # 105-21-5)
| Awọn aami ewu | Xi - Irritant |
| Awọn koodu ewu | R38 - Irritating si awọ ara R36 / 38 - Irritating si oju ati awọ ara. |
| Apejuwe Abo | S36 - Wọ aṣọ aabo to dara. S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. |
| WGK Germany | 2 |
| RTECS | LU3697000 |
| HS koodu | 29322090 |
Ọrọ Iṣaaju
α-propyl-γ-butyrolactone (ti a tun mọ si α-MBC) jẹ epo-ara ti o wọpọ. O ni ipo omi ti ko ni awọ ati õrùn ati pe o ni iwọn kekere ti evaporation ni iwọn otutu yara. Eyi ni awọn alaye nipa α-propyl-γ-butyrolactone:
Didara:
- α-propyl-γ-butyrolactone ni solubility ti o dara julọ ati pe o le tu ọpọlọpọ awọn nkan Organic gẹgẹbi awọn resins, awọn kikun ati awọn aṣọ.
- Lactone yii kii ṣe ina, ṣugbọn o le gbe awọn gaasi majele jade ni awọn iwọn otutu giga.
Lo:
- α-Propyl-γ-butyrolactone jẹ lilo pupọ ni awọn ilana iṣelọpọ ile-iṣẹ fun awọn olomi, awọn foams, awọn kikun, awọn aṣọ, awọn adhesives, ati awọn ọja ṣiṣu.
Ọna:
- α-propyl-γ-butyrolactone ni a maa n pese sile nipasẹ isọdọtun ti γ-butyrolactone. Ninu ilana yii, γ-butyrolactone fesi pẹlu acetone ati afikun ti hydrochloric acid tabi sulfuric acid ni a ṣafikun bi ayase.
Alaye Abo:
- Nigbati o ba n mu α-propyl-γ-butyrolactone mu, yago fun olubasọrọ gigun pẹlu awọ ara ati ifasimu ti awọn gaasi.
- Awọn igbese ailewu ti o yẹ ati awọn ilana yẹ ki o tẹle nigba titọju ati mimu α-propyl-γ-butyrolactone.
