Butyraldehyde(CAS#123-72-8)
| Awọn aami ewu | F – Flammable |
| Awọn koodu ewu | R11 - Gíga flammable |
| Apejuwe Abo | S9 - Jeki apoti ni aaye ti o ni afẹfẹ daradara. S29 - Ma ṣe ofo sinu ṣiṣan. S33 - Ṣe awọn ọna iṣọra lodi si awọn idasilẹ aimi. S16 – Jeki kuro lati awọn orisun ti iginisonu. |
| UN ID | UN 1129 3/PG2 |
| WGK Germany | 1 |
| RTECS | ES2275000 |
| FLUKA BRAND F koodu | 13-23 |
| TSCA | Bẹẹni |
| HS koodu | 2912 19 00 |
| Kíláàsì ewu | 3 |
| Iṣakojọpọ Ẹgbẹ | II |
| Oloro | Iwọn ẹyọkan LD50 ẹnu ni awọn eku: 5.89 g/kg (Smyth) |
Ọrọ Iṣaaju
kemikali-ini
Omi didan ti ko ni awọ pẹlu oorun aldehyde asphyxiating. Die-die tiotuka ninu omi. Miscible pẹlu ethanol, ether, ethyl acetate, acetone, toluene, orisirisi miiran Organic epo ati epo.
Lo
Ti a lo ninu iṣelọpọ Organic ati ohun elo aise fun ṣiṣe awọn turari
Lo
GB 2760-96 sọ awọn turari ti o jẹun ti o gba laaye lati lo. Ni akọkọ lo lati ṣeto bananas, caramel ati awọn adun eso miiran.
Lo
butyraldehyde jẹ agbedemeji pataki. n-butanol le ṣe nipasẹ hydrogenation ti n-butanal; 2-ethylhexanol ni a le ṣe nipasẹ gbigbẹ ifunmi ati lẹhinna hydrogenation, ati n-butanol ati 2-ethylhexanol jẹ awọn ohun elo aise akọkọ ti awọn ṣiṣu ṣiṣu. n-butyric acid le ṣee ṣe nipasẹ ifoyina ti n-butyric acid; trimethylolpropane le ṣe iṣelọpọ nipasẹ isunmi pẹlu formaldehyde, eyiti o jẹ ṣiṣu ṣiṣu fun iṣelọpọ ti resini alkyd ati ohun elo aise fun epo gbigbe afẹfẹ; condensation pẹlu phenol lati mu epo-tiotuka resini; condensation pẹlu urea le gbe awọn resini ti oti-tiotuka; awọn ọja ti o ni idapọ pẹlu ọti polyvinyl, butylamine, thiourea, diphenylguanidine tabi methyl carbamate jẹ awọn ohun elo aise ati, condensation pẹlu ọpọlọpọ awọn ọti-waini ni a lo bi epo fun celluloid, resini, roba ati awọn ọja elegbogi; ile-iṣẹ oogun ni a lo lati ṣe “Mianerton”, “pyrimethamine”, ati amylamide.
Lo
Roba lẹ pọ, roba ohun imuyara, sintetiki resini ester, iṣelọpọ butyric acid, bbl Ojutu hexane rẹ jẹ reagent fun ipinnu ozone. Ti a lo bi epo fun awọn lipids, tun lo ni igbaradi ti awọn adun ati awọn turari ati bi olutọju.
Ọna iṣelọpọ
ni lọwọlọwọ, awọn ọna iṣelọpọ ti butyraldehyde gba awọn ọna wọnyi: 1. ọna propylene carbonyl synthesis propylene ati gaasi synthesis gbejade iṣesi iṣelọpọ carbonyl ni iwaju Co tabi Rh ayase lati ṣe ina n-butyraldehyde ati isobutyraldehyde. Nitori awọn olutọpa ti o yatọ ati awọn ipo ilana ti a lo, o le pin si iṣelọpọ carbonyl giga-giga pẹlu cobalt carbonyl bi ayase ati kekere-titẹ carbonyl synthesis pẹlu rhodium carbonyl phosphine eka bi ayase. Ọna ti o ga julọ ni titẹ ifarahan giga ati ọpọlọpọ awọn ọja-ọja, nitorina o npo iye owo iṣelọpọ. Ọna isọdọkan carbonyl kekere-titẹ ni titẹ ifa kekere, ipin isomer rere ti 8-10: 1, kere si nipasẹ awọn ọja, oṣuwọn iyipada giga, awọn ohun elo aise kekere, agbara kekere, ohun elo ti o rọrun, ilana kukuru, ti n ṣafihan awọn ipa eto-ọrọ to dara julọ ati dekun idagbasoke. 2. Acetaldehyde condensation ọna. 3. Butanol oxidative dehydrogenation ọna nlo fadaka bi ayase, ati butanol ti wa ni oxidized nipasẹ air ni igbese kan, ati ki o si awọn reactants ti wa ni condensed, yapa, ati atunse lati gba awọn ti pari ọja.
Ọna iṣelọpọ
O ti wa ni gba nipasẹ gbẹ distillation ti kalisiomu butyrate ati kalisiomu formate.
Awọn oru ti wa ni gba nipasẹ gbígbẹ ti awọn ayase.
ẹka
flammable olomi
Iyasọtọ majele
Oloro
oloro oloro
eku ẹnu LD50: 2490 mg/kg; Ikun-eku LD50: 1140 mg/kg
Awọn alaye itunra
awọ-ehoro 500 mg / wakati 24 àìdá; Oju-ehoro 75 micrograms àìdá
ibẹjadi ewu abuda
O le gbamu nigbati a ba dapọ pẹlu afẹfẹ; o fesi pẹlu agbara pẹlu chlorosulfonic acid, nitric acid, sulfuric acid, ati fuming sulfuric acid
flammability ewu abuda
O jẹ flammable ni ọran ti awọn ina ṣiṣi, awọn iwọn otutu giga, ati awọn oxidants; ijona nmu ẹfin ibinu
ipamọ ati gbigbe abuda
Ile-ipamọ naa jẹ afẹfẹ ati ki o gbẹ ni iwọn otutu kekere; ti o ti fipamọ lọtọ lati oxidants ati acids
Aṣoju pa ina
Gbẹ lulú, erogba oloro, foomu
awọn ajohunše iṣẹ
STEL 5 mg/m3
