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Iasidi yeValeric (CAS # 109-52-4) Umfanekiso okhoyo
  • Iasidi yeValeric(CAS#109-52-4) 1

Iasidi yeValeric(CAS#109-52-4)

Ipropati yeMichiza:

Ifomula yeemolekyuli C5H10O2
IMisa yeMolar 102.13
Ukuxinana 0.939g/mLat 25°C(lit.)
Indawo yokunyibilika −20-−18°C(lit.)
Indawo yeBoling 110-111°C10mm Hg(lit.)
Indawo yokuflasha 192°F
Inombolo yeJECFA 90
Ukunyibilika kwamanzi 40 g/L (20 ºC)
Ukunyibilika 40g/l
Uxinzelelo loMphunga 0.15 mm Hg ( 20 °C)
Ukuxinana komphunga 3.5 (vs umoya)
Imbonakalo Ulwelo
Umbala Icacile engenambala ukuya kumthubi
Merck 14,9904
I-BRN 969454
pKa 4.84(nge-25℃)
PH 3.95(1 mM isisombululo);3.43(10 mM isisombululo);2.92(100 mM isisombululo);
Imeko yoGcino Gcina ngaphantsi +30°C.
Umda wokuqhushumba 1.8-7.3%(V)
Refractive Index n20/D 1.408(lit.)
IiPropati zoMzimba kunye nezeMichiza ulwelo olungenambala nevumba elibi
ulwelo olungenambala okanye olumthubi ngenkangeleko.
Sebenzisa Ikakhulu isetyenziselwa ukulungiswa kwe-N-valerate, i-organic synthesis yezinto ezisisiseko, ezisetyenziswa ngokubanzi kwiziqholo, amayeza, i-lubricants, i-plasticizers kunye namanye amashishini.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimpawu ezinobungozi C – Iyadleka
Iikhowudi zoMngcipheko I-R34 – Ibangela ukutsha
R52/53 – Iyingozi kwizinto eziphila emanzini, inokubangela iziphumo ezibi zexesha elide kwindawo ehlala emanzini.
Inkcazelo yoKhuseleko S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo.
S45 - Kwimeko yengozi okanye ukuba uziva ungaphilanga, funa iingcebiso zonyango ngokukhawuleza (bonisa ileyibhile nanini na kunokwenzeka.)
S61 –Kuphephe ukukhutshelwa kokusingqongileyo. Jonga kwimiyalelo ekhethekileyo / kumaphepha edatha yokhuseleko.
Izazisi ze-UN UN 3265 8/PG 3
WGK eJamani 1
RTECS YV6100000
FLUKA BRAND F IIKHOWUDI 13
I-TSCA Ewe
Ikhowudi ye-HS 29156090
IKlasi yeeNgozi 8
Iqela lokuPakisha III
Ubutyhefu LD50 iv kwiimpuku: 1290 ±53 mg/kg (Okanye, Wretlind)

 

Intshayelelo

I-N-valeric acid, eyaziwa ngokuba yi-valeric acid, i-organic compound. Oku kulandelayo kukwazisa kwiipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi olukhuselekileyo lwe-n-valeric acid:

 

Umgangatho:

I-N-valeric acid lulwelo olungenambala nencasa yeziqhamo kwaye lunyibilika emanzini.

 

Sebenzisa:

I-N-valeric acid ineendlela ezahlukeneyo zokusetyenziswa kwishishini. Esinye isicelo esikhulu sisinyibilikisi kumashishini afana neengubo, iidayi, izinto zokuncamathelisa, njl.

 

Indlela:

I-asidi ye-Valeric inokulungiswa ngeendlela ezimbini eziqhelekileyo. Enye indlela kukwenza i-pentanol kunye neoksijini ngokuyinxenye phambi kwe-catalyst ukuvelisa i-n-valeric acid. Enye indlela kukulungiselela i-n-valeric acid nge-oxidizing 1,3-butanediol okanye i-1,4-butanediol kunye ne-oksijini phambi kwe-catalyst.

 

Ulwazi ngoKhuseleko:

I-Norvaleric acid lulwelo olunokutsha kwaye kufuneka lugcinwe kude namadangatye avulekileyo kunye nemithombo yobushushu. Xa uphatha kwaye usebenzisa, kuyimfuneko ukuthatha amanyathelo okukhusela ayimfuneko, njengokugqoka iiglasi zokukhusela, iiglavu zokukhusela kunye nempahla yokukhusela. I-asidi ye-N-valeric kufuneka kwakhona igcinwe kwisitya esingangeni moya, kude ne-oxidants kunye nezinto zokutya. Kufuneka kuthathelwe ingqalelo xa ugcina kwaye usetyenziswa ukunqanda ukusebenzisana neminye imichiza.

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