asia_oju-iwe

ọja

Propargyl bromide (CAS # 106-96-7)

Ohun-ini Kemikali:

Ilana molikula C3H3Br
Molar Mass 118.96
iwuwo 1.38g/mLat 20°C
Ojuami Iyo -61°C
Boling Point 97°C
Oju filaṣi 65°F
Omi Solubility Miscible pẹlu ethanol, ether, benzene, erogba tetrachloride ati chloroform. Immiscible pẹlu omi.
Vapor Presure 64.6mmHg ni 25°C
Ifarahan Omi
Àwọ̀ Alailowaya - Yellow
Ifilelẹ Ifarahan ACGIH: TWA 20 ppmOSHA: Aja 300 ppm; TWA 200 ppmNIOSH: IDLH 500 ppm; TWA 100 ppm (375 mg/m3); STEL 150 ppm (560 mg/m3)
BRN 605309
Ibi ipamọ Ipo 2-8°C
Ni imọlara Imọlẹ Imọlẹ
Atọka Refractive n20 / D 1.494
Ti ara ati Kemikali Properties aami ina ofeefee gíga majele ti omi.
aaye farabale 80 ~ 90 ℃
iwuwo 1.335
refractive atọka 1.4940
filasi ojuami 10 ℃
tiotuka ninu ethanol, ether, benzene ati chloroform.
Lo Fun Organic kolaginni

Alaye ọja

ọja Tags

Awọn koodu ewu R60 - Le ṣe ipalara irọyin
R61 - Le fa ipalara si ọmọ ti a ko bi
R20 / 21 - ipalara nipasẹ ifasimu ati ni olubasọrọ pẹlu awọ ara.
R25 – Majele ti o ba gbe
R63 – Owun to le ewu ipalara si awọn unborn ọmọ
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
R11 - Gíga flammable
R67 – Vapors le fa drowsiness ati dizziness
R65 – Ipalara: Le fa ibaje ẹdọfóró ti o ba gbe mì
R48/20 -
Apejuwe Abo S53 – Yago fun ifihan – gba awọn ilana pataki ṣaaju lilo.
S16 – Jeki kuro lati awọn orisun ti iginisonu.
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
S28A -
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S62 – Ti o ba gbemi, maṣe fa eebi; wa imọran iṣoogun lẹsẹkẹsẹ ki o ṣafihan apoti yii tabi aami.
S36 / 37 - Wọ aṣọ aabo ati awọn ibọwọ to dara.
UN ID UN 2345 3/PG 2
WGK Germany 3
RTECS UK4375000
FLUKA BRAND F koodu 8
TSCA Bẹẹni
HS koodu 29033990
Akọsilẹ ewu Gíga Flammable/Majele/Ibajẹ
Kíláàsì ewu 3
Iṣakojọpọ Ẹgbẹ II

 

Ifaara

3-Bromopropyne, tun mọ bi 1-bromo-2-propyne, jẹ ẹya Organic yellow. Atẹle jẹ ifihan kukuru si awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ ati alaye ailewu:

 

Didara:

- O ni iwuwo kekere, pẹlu iye ti o to 1.31 g/mL.

- 3-Bropropyne ni o ni a pungent wònyí.

- O le jẹ tiotuka ni diẹ ninu awọn olomi Organic gẹgẹbi ethanol ati ether.

 

Lo:

- 3-Broproyne ni a lo ni akọkọ bi reagent ninu awọn aati iṣelọpọ Organic, fun apẹẹrẹ o le kopa ninu awọn aati idapọmọra irin-catalyzed fun iṣelọpọ ti awọn agbo ogun Organic.

- O tun le ṣee lo bi ohun elo ibẹrẹ fun alkynes, fun apẹẹrẹ fun iṣelọpọ ti alkynes tabi awọn alkynes iṣẹ ṣiṣe miiran.

 

Ọna:

- 3-Bromopropyne le ṣee gba nipasẹ iṣesi ti bromoacetylene ati ethyl kiloraidi labẹ awọn ipo ipilẹ.

- Eyi ni a ṣe nipa didapọ bromoacetylene ati ethyl chloride ati fifi iye alkali kan kun (bii iṣuu soda carbonate tabi sodium bicarbonate).

- Ni opin ti awọn lenu, funfun 3-bromopropynne ti wa ni gba nipa distillation ati ìwẹnumọ.

 

Alaye Abo:

- 3-Bropropyne jẹ ohun elo majele ati ibinu ti o nilo ohun elo aabo ti ara ẹni (PPE) lati wọ nigbati o nṣiṣẹ.

- O yẹ ki o yago fun olubasọrọ pẹlu awọn oxidants, awọn alkalis ti o lagbara, ati awọn acids ti o lagbara lati yago fun awọn aati ti o lewu.

- Ni ibamu pẹlu awọn ilana ṣiṣe aabo ti o yẹ lakoko lilo ati ibi ipamọ.

- Nigbati o ba n mu 3-bromopropyne mu, rii daju pe afẹfẹ ti o dara ki o yago fun simi awọn eefin rẹ tabi wiwa si olubasọrọ pẹlu awọ ara ati oju.

 


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