4-Formylfenylboronic acid (CAS# 87199-17-5)
| Awọn koodu ewu | R34 - Awọn okunfa sisun R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. |
| Apejuwe Abo | S22 - Maṣe simi eruku. S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju. S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.) S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju S36 - Wọ aṣọ aabo to dara. |
| UN ID | UN 1759 8/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F koodu | 10 |
| TSCA | T |
| HS koodu | 29163990 |
| Akọsilẹ ewu | Irritant |
| Kíláàsì ewu | Irritant, AIR SENSIT |
Ọrọ Iṣaaju
4-carboxylphenylboronic acid jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti 4-carboxylphenylboronic acid:
Didara:
- Irisi: Nigbagbogbo funfun kirisita tabi kirisita lulú.
- Tiotuka: Tiotuka ninu omi ati diẹ ninu awọn olomi Organic gẹgẹbi ethanol ati acetone.
- Awọn ohun-ini kemikali: Esterification, acylation ati awọn aati miiran le waye.
Lo:
- Gẹgẹbi agbedemeji pataki ni iṣelọpọ Organic, o le ṣee lo lati mura awọn agbo ogun Organic miiran.
Ọna:
- 4-Carboxylbenzylboronic acid le ṣee gba nipasẹ iṣesi esterification ti benzoic acid pẹlu boric acid. Awọn igbesẹ kan pato jẹ bi atẹle: benzoic acid ati borate ti wa ni kikan ati fesi ninu ohun elo Organic, ati lẹhinna ọja naa gba nipasẹ crystallization.
Alaye Abo:
- 4-carboxylphenylboronic acid ni gbogbogbo ni a gba pe o jẹ agbo-ara ti o ni aabo, ṣugbọn o tun jẹ pataki lati san ifojusi si awọn ọna mimu ailewu ti o tọ.
- Nigbati o ba n ṣiṣẹ, yago fun olubasọrọ taara pẹlu awọ ara ati oju. Ni ọran ti olubasọrọ, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi.
- Nigbati o ba tọju, o yẹ ki o jẹ ki o gbẹ ki o kuro ni awọn ina ti o ṣii ati awọn orisun ooru.
