asia_oju-iwe

ọja

3,4-Dimethylphenol(CAS#95-65-8)

Ohun-ini Kemikali:

Fọọmu Molecular C8H10O
Molar Mass 122.16
iwuwo 1.138 g/cm3
Ojuami Iyo 65-68°C
Ojuami Boling 227°C(tan.)
Oju filaṣi 61 °C
Nọmba JECFA 708
Omi Solubility DIE SOLUBLE
Solubility Chloroform (Diẹ), Ethyl Acetate (Diẹ), kẹmika (Diẹ)
Vapor Presure 0.475-130Pa ni 25-66.2 ℃
Ifarahan Crystalline Powder
Àwọ̀ Pa-funfun to bia ipara
Ifilelẹ Ifarahan ACGIH: TWA 1 ppm
Merck 14.10082
BRN Ọdun 1099267
pKa pK1:10.32 (25°C)
Ibi ipamọ Ipo Fipamọ ni isalẹ + 30 ° C.
ibẹjadi iye to 1.4% (V)
Atọka Refractive 1.5442
Ti ara ati Kemikali Properties Ohun kikọ: White abẹrẹ gara.
yo ojuami 66 ~ 68 ℃
aaye farabale 225 ℃
iwuwo ojulumo 0.9830
solubility die-die tiotuka ninu omi, tiotuka ni ethanol, ether.
Lo Fun igbaradi ti polyimide ti a ṣe atunṣe, awọn ipakokoropaeku, awọn awọ, ati bẹbẹ lọ

Alaye ọja

ọja Tags

Awọn koodu ewu R24/25 -
R34 - Awọn okunfa sisun
R51/53 - Majele si awọn oganisimu omi, le fa awọn ipa buburu igba pipẹ ni agbegbe omi.
Apejuwe Abo 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.)
S61 – Yago fun itusilẹ si ayika. Tọkasi awọn ilana pataki / awọn iwe data aabo.
UN ID UN 2261 6.1/PG2
WGK Germany 3
RTECS ZE6300000
TSCA Bẹẹni
HS koodu 29071400
Kíláàsì ewu 6.1
Iṣakojọpọ Ẹgbẹ II

 

Ọrọ Iṣaaju

3,4-Xylenol, ti a tun mọ ni m-xylenol, jẹ agbo-ara Organic. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti 3,4-xylenol:

 

Didara:

- 3,4-Xylenol jẹ omi ti ko ni awọ pẹlu adun oorun oorun pataki kan.

- O ni ohun-ini ti jijẹ tiotuka ninu omi ati ọpọlọpọ awọn olomi Organic.

- Han bi a ifa dimer be ni yara otutu.

 

Lo:

- O ti wa ni lilo bi ohun antibacterial ati apakokoro eroja ni fungicides ati preservatives.

- Ti a lo bi ayase ni diẹ ninu awọn aati iṣelọpọ kemikali.

 

Ọna:

- 3,4-Xylenol ni a le pese sile nipasẹ ifaseyin condensation ti phenol ati formaldehyde labẹ awọn ipo ekikan.

- Ninu iṣesi, phenol ati formaldehyde jẹ itọsi nipasẹ ayase ekikan lati ṣe agbejade 3,4-xylenol.

 

Alaye Abo:

- 3,4-Xylenol ni eero kekere, ṣugbọn o tun ṣe pataki lati lo lailewu.

- Vapors tabi sprays le jẹ irritating ati ibajẹ si oju ati awọ ara.

- Nigbati o ba n ṣiṣẹ, lo awọn ohun elo aabo ti ara ẹni ti o yẹ, gẹgẹbi awọn ibọwọ kemikali ati awọn goggles.

- Nigbati o ba tọju ati mimu 3,4-xylenol, o ṣe pataki lati ṣakoso awọn egbin daradara lati yago fun idoti ayika.

 


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