Dimethyl azelate (CAS#1732-10-1)

Ọrọ Iṣaaju

Dimethyl azelaic acid (tun mọ bi Dioctyl adipate, DOA) jẹ agbo-ara Organic ti o wọpọ. Atẹle jẹ ifihan si iseda rẹ, lilo, awọn ọna iṣelọpọ ati alaye ailewu:

Didara:

- Irisi: Alailẹgbẹ si omi alawọ ofeefee

- Solubility: tiotuka ninu awọn nkan ti ara ẹni, tiotuka diẹ ninu omi

- Refractive Ìwé: feleto. 1.443-1.449

Lo:

- Dimethyl azelarate ti wa ni o kun lo bi awọn kan plasticizer, eyi ti o ni o dara plasticity ati tutu resistance, ati ki o le mu awọn softness ati tutu resistance ti awọn pilasitik.

- Nigbagbogbo a lo ni iṣelọpọ awọn pilasitik polyvinyl kiloraidi (PVC), roba sintetiki, awọn resini sintetiki, ati bẹbẹ lọ, lati mu ṣiṣu ati agbara wọn dara si.

- Dimethyl azelaate tun le ṣee lo bi lubricant, softener ati antifreeze, laarin awọn ohun miiran.

Ọna:

Dimethyl azelaic acid ni a maa n pese sile nipasẹ iṣesi esterification gẹgẹbi atẹle:

1. Fesi nonanediol pẹlu adipic acid.

2. Ṣafikun awọn aṣoju esterifying, gẹgẹbi sulfuric acid, bi awọn ayase ninu iṣesi esterification.

3. Iṣeduro naa ni a ṣe labẹ iwọn otutu ti o yẹ ati awọn ipo titẹ lati ṣe ina dimethyl azelaate.

4. Ọja naa jẹ mimọ siwaju sii nipasẹ gbigbẹ, distillation ati awọn igbesẹ miiran.

Alaye Abo:

Dimethyl azelaic acid yẹ ki o ni aabo labẹ awọn ipo lilo deede ati yago fun olubasọrọ pẹlu awọ ara ati oju.

- Wọ ohun elo aabo ti o yẹ, pẹlu aabo atẹgun ati awọn ibọwọ aabo, ti o ba lo.

- Ifarabalẹ yẹ ki o san si agbegbe ti o ni afẹfẹ daradara lakoko iṣẹ lati yago fun ifasimu tabi jijẹ lairotẹlẹ.

- Lakoko ibi ipamọ ati gbigbe, o jẹ dandan lati ṣe idiwọ olubasọrọ pẹlu oxidants, acids ati awọn nkan miiran lati yago fun awọn ijamba ti o lewu.