asia_oju-iwe

ọja

3-Bromo-4-hydroxybenzoic acid (CAS# 14348-41-5)

Ohun-ini Kemikali:

Fọọmu Molecular C7H5BrO3
Molar Mass 217.02
iwuwo 1.861± 0.06 g/cm3 (Asọtẹlẹ)
Ojuami Iyo 155-160 °C
Ojuami Boling 338.9± 32.0 °C(Asọtẹlẹ)
Oju filaṣi 158.8°C
Solubility tiotuka ni kẹmika
Vapor Presure 3.71E-05mmHg ni 25°C
Ifarahan ri to
Àwọ̀ Funfun to Fere funfun
pKa 4.18± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo 2-8°C
MDL MFCD00017547

Alaye ọja

ọja Tags

Ewu ati Aabo

Awọn koodu ewu R22 – Ipalara ti o ba gbe
R41 - Ewu ti pataki ibaje si oju
Apejuwe Abo S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S39 - Wọ oju / aabo oju.
WGK Germany 3

3-Bromo-4-hydroxybenzoic acid (CAS # 14348-41-5) ifihan

3-bromo-4-hydroxybenzoic acid jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi, ati alaye ailewu ti 3-bromo-4-hydroxybenzoic acid:

iseda:
-Irisi: 3-bromo-4-hydroxybenzoic acid jẹ awọ ti ko ni awọ si okuta kirisita ofeefee bia tabi ti o lagbara.
-Solubility: O ti wa ni tiotuka ni oti ati ether epo, ati die-die tiotuka ninu omi.
-PH iye: ekikan ninu omi.

Idi:

Ọna iṣelọpọ:
-3-bromo-4-hydroxybenzoic acid ni a maa n pese sile nipasẹ iṣeduro bromination ti bromobenzoic acid ti o baamu labẹ awọn ipo ti o yẹ.

Alaye aabo:
-Eruku ti 3-bromo-4-hydroxybenzoic acid le fa irritation si awọn oju, eto atẹgun, ati awọ ara. Yago fun ifasimu ati olubasọrọ.
- Jọwọ wọ awọn ibọwọ aabo ti o yẹ, awọn gilaasi, ati awọn ohun elo atẹgun nigba lilo, ati rii daju lati ṣiṣẹ ni agbegbe afẹfẹ daradara.
-3-bromo-4-hydroxybenzoic acid ni ibajẹ kan ati majele nla, ati pe o yẹ ki o fipamọ ati mu daradara lati yago fun idapọ pẹlu awọn kemikali miiran.


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