asia_oju-iwe

ọja

Salicylaldehyde (CAS#90-02-8)

Ohun-ini Kemikali:

Ilana molikula C7H6O2
Molar Mass 122.12
iwuwo 1.146 g/mL ni 25 °C (tan.)
Ojuami Iyo 1-2°C (tan.)
Boling Point 197°C (tan.)
Oju filaṣi 170°F
Nọmba JECFA 897
Omi Solubility die-die tiotuka
Solubility 4.9g/l
Vapor Presure 1 mm Hg (33°C)
Òru Òru 4.2 (la afẹfẹ)
Ifarahan Omi
Àwọ̀ Ko ofeefee
Òórùn almondi kikorò
Ifilelẹ Ifarahan ACGIH: TWA 5 ppm (Awọ) OSHA: TWA 5 ppm (19 mg/m3)NIOSH: IDLH 250 ppm; TWA 5 ppm (19 mg/m3); Aja 15.6 ppm (60 mg/m3)
Merck 14.8326
BRN 471388
pKa 8.37 (ni 25℃)
PH 6-8 (H2O, 20℃) Ko wulo
Ibi ipamọ Ipo -20°C
Iduroṣinṣin Idurosinsin. Ijona. Ibamu pẹlu awọn ipilẹ ti o lagbara, awọn aṣoju idinku ti o lagbara, awọn acids lagbara, awọn aṣoju oxidizing lagbara.
Ni imọlara Afẹfẹ & Imọlẹ Ifamọ
Atọka Refractive n20/D 1.573(tan.)
Ti ara ati Kemikali Properties Alaini awọ, ko o, olomi ororo, pẹlu oorun sisun ati oorun almondi; Ipa oru:.13kPa/33 ℃; Filasi ojuami: 76 ℃; Yiyọ ojuami -7 ℃; Oju omi farabale 197 ℃; Solubility die-die tiotuka ninu omi, tiotuka ni ethanol, ether; Iwuwo: Awọn iwuwo ibatan (omi = 1) 1.17; iduroṣinṣin: Idurosinsin
Lo Awọn lilo akọkọ: ti a lo bi awọn reagents itupalẹ, awọn turari, awọn afikun petirolu ati fun iṣelọpọ Organic

Alaye ọja

ọja Tags

Awọn koodu ewu R21/22 - Ipalara ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
R36 / 38 - Irritating si oju ati awọ ara.
R68 - Ewu ti o ṣeeṣe ti awọn ipa ti ko le yipada
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
R20 / 21/22 - ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
R51 - Majele si awọn oganisimu omi
R36 - Irritating si awọn oju
R51/53 - Majele si awọn oganisimu omi, le fa awọn ipa buburu igba pipẹ ni agbegbe omi.
R22 – Ipalara ti o ba gbe
Apejuwe Abo S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S36 / 37 - Wọ aṣọ aabo ati awọn ibọwọ to dara.
S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
S36 - Wọ aṣọ aabo to dara.
S61 – Yago fun itusilẹ si ayika. Tọkasi awọn ilana pataki / awọn iwe data aabo.
S64 -
S29/35 -
UN ID 3082
WGK Germany 2
RTECS VN5250000
FLUKA BRAND F koodu 8-10-23
TSCA Bẹẹni
HS koodu 29122990
Kíláàsì ewu 6.1(b)
Iṣakojọpọ Ẹgbẹ II
Oloro MLD ninu awọn eku (mg/kg): 900-1000 sc (Binet)

 

Ifaara

Salicylaldehyde jẹ agbo-ara Organic. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti salicylaldehyde:

 

Didara:

- Irisi: Salicylaldehyde jẹ omi ti ko ni awọ si awọ ofeefee pẹlu oorun almondi kikorò pataki kan.

- Solubility: Salicylaldehyde ni solubility giga ninu omi ati pe o tun jẹ tiotuka ninu ọpọlọpọ awọn olomi Organic.

 

Lo:

- Awọn adun ati awọn adun: Salicylaldehyde ni õrùn almondi kikoro alailẹgbẹ ati pe a lo nigbagbogbo ni awọn turari, awọn ọṣẹ ati taba bi ọkan ninu awọn paati oorun oorun.

 

Ọna:

- Ni gbogbogbo, salicylaldehyde le ṣejade lati salicylic acid nipasẹ awọn aati redox. Ohun elo oxidant ti o wọpọ julọ jẹ ojutu potasiomu permanganate ekikan.

- Ọna igbaradi miiran ni lati gba ester oti salicylyl nipasẹ chlorination ester ti phenol ati chloroform catalyzed nipasẹ hydrochloric acid, ati lẹhinna lati gba salicylaldehyde nipasẹ ifaseyin hydrolysis catalyzed nipasẹ acid.

 

Alaye Abo:

- Salicylaldehyde jẹ kemikali lile ati pe o yẹ ki o yago fun olubasọrọ taara pẹlu awọ ara ati oju.

- Nigbati o ba nlo tabi mimu salicylaldehyde, ṣetọju awọn ipo atẹgun ti o dara ki o yago fun ifasimu ti awọn eefin rẹ.

- Nigbati o ba n tọju salicylaldehyde, o yẹ ki o wa ni ipamọ sinu apo ti afẹfẹ, kuro lati ina ati awọn oxidants.

- Ti salicylaldehyde ba jẹ tabi fa simu nipasẹ aṣiṣe, wa iranlọwọ iṣoogun lẹsẹkẹsẹ.


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