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Formic acid(CAS#64-18-6) Umfanekiso okhoyo
  • Formic acid(CAS#64-18-6) 1

Formic acid(CAS#64-18-6)

Ipropati yeMichiza:

Ifomula yeemolekyuli I-CH2O2
IMisa yeMolar 46.03
Ukuxinana 1.22 g/mL ku-25 °C (lit.)
Indawo yokunyibilika 8.2-8.4 °C (lit.)
Indawo yeBoling 100-101 °C (isibane.)
Indawo yokuflasha 133°F
Inombolo yeJECFA 79
Ukunyibilika kwamanzi MISCIBLE
Ukunyibilika I-H2O: i-soluble1g/10 mL, icacile, ayinambala
Uxinzelelo loMphunga 52 mm Hg ( 37 °C)
Ukuxinana komphunga 1.03 (vs umoya)
Imbonakalo Ulwelo
Ubunzima obuthile 1.216 (20℃/20℃)
Umbala APHA: ≤15
Umda wokuvezwa TLV-TWA 5 ppm (～9 mg/m3) (ACGIH,MSHA, OSHA, kunye ne-NIOSH); IDLH 100ppm (180 mg/m3) (NIOSH).
Obona bude bubuninzi (λmax) ['λ: 260 nm Amax: 0.03',
, 'λ: 280 nm Amax: 0.01']
Merck 14,4241
I-BRN 1209246
pKa 3.75(nge-20℃)
PH 3.47(1 mM isisombululo);2.91(10 mM isisombululo);2.38(100 mM isisombululo);
Imeko yoGcino 2-8°C
Uzinzo Izinzile. Izinto ekufuneka ziphetshwe ziquka iziseko ezomeleleyo, i-oxidizing agents eyomeleleyo kunye nesinyithi esingumgubo, i-furfuryl alcohol. Ukutsha. Hygroscopic. Uxinzelelo lunokwakheka kwiibhotile ezivaliweyo,
Inovakalelo Hygroscopic
Umda wokuqhushumba 12-38%(V)
Refractive Index n20/D 1.377
IiPropati zoMzimba kunye nezeMichiza Iimpawu zolwelo oluvuthayo olungenaMbala, olunevumba elibukhali elibukhali.

indawo yokunyibilika 8.4 ℃

indawo yokubilisa 100.7 ℃

ukuxinana kobudlelwane 1.220

refractive index 1.3714

indawo edanyazayo 69 ℃

ukunyibilika: ukunyibilika emanzini, ethanol kunye ne-ether, ukunyibilika kancinane kwibenzene.
Sebenzisa Ukulungiselela i-formate, i-formamide, i-formamide, njl., kodwa nakwiyeza, ukuprinta kunye nokudaya, iidayi, isikhumba kunye namanye amashishini anomsebenzi othile.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R23/24/25 – Ityhefu ngokuphefumla, xa udibana nesikhumba naxa uginyiwe.
I-R34 – Ibangela ukutsha
R40 – Ubungqina obuncinane besiphumo somhlaza
I-R43 – Inokubangela uvakalelo ngokudibana nolusu
I-R35 – Ibangela ukutshisa okumandundu
I-R36/38 – Iyacaphukisa amehlo kunye nolusu.
I-R10-Inokutsha
Inkcazelo yoKhuseleko S36/37 – Nxiba iimpahla ezifanelekileyo zokukhusela kunye neeglavu.
S45 - Kwimeko yengozi okanye ukuba uziva ungaphilanga, funa iingcebiso zonyango ngokukhawuleza (bonisa ileyibhile nanini na kunokwenzeka.)
S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S23 – Musa ukuphefumla umphunga.
S36/37/39 – Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokukhusela amehlo/ubuso.
Izazisi ze-UN UN 1198 3/PG 3
WGK eJamani 2
RTECS LP8925000
FLUKA BRAND F IIKHOWUDI 10
I-TSCA Ewe
Ikhowudi ye-HS 29151100
IKlasi yeeNgozi 8
Iqela lokuPakisha II
Ubutyhefu I-LD50 kwiigundane (mg / kg): 1100 ngomlomo; 145 iv (eMalorny)

 

Intshayelelo

formic acid) lulwelo olungenambala nevumba elirhabaxa. Ezi zilandelayo zezona mpawu ziphambili zefomic acid:

 

Iimpawu ezibonakalayo: I-asidi ye-Formic inyibilika kakhulu kwaye inyibilika emanzini kunye nezinyibilikisi ezininzi eziphilayo.

 

Iimpawu zeMichiza: I-asidi ye-Formic sisinciphisi esifakwa lula kwi-carbon dioxide namanzi. Ikhompawundi iphendula ngesiseko esomeleleyo ukuvelisa ifomathi.

 

Usetyenziso oluphambili lwe-formic acid lulandelayo:

 

Njenge-disinfectant kunye ne-preservative, i-asidi ye-formic ingasetyenziselwa ukulungiswa kwedayi kunye nesikhumba.

 

Iasidi esefomini ingasetyenziswa njenge arhente yokunyibilikisa umkhenkce kunye nombulali wemite.

 

Kukho iindlela ezimbini eziphambili zokulungiselela i-asidi ye-formic:

 

Indlela yesiNtu: Indlela yokukhutshwa kwe-distillation ukuvelisa i-asidi ye-formic ngokufaka i-oxidation yamaplanga.

 

Indlela yanamhlanje: i-asidi ye-formic ilungiswe yi-methanol oxidation.

 

Izilumkiso zokusetyenziswa ngokukhuselekileyo kwe-formic acid zezi zilandelayo:

 

I-asidi ye-formic inevumba elibi kunye neempawu ezidliwayo, ngoko ke kufuneka unxibe iiglavu zokukhusela kunye neeglasi xa usebenzisa.

 

Kuphephe ukuphefumla umphunga okanye uthuli oluneasidi efomiweyo, kwaye uqinisekise ukungena komoya okulungileyo xa usebenzisa.

 

I-asidi ye-formic inokubangela ukutsha kwaye kufuneka igcinwe kude nomlilo kunye nezixhobo ezinokutsha.

 

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