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Formic acid(CAS#64-18-6) Hoton da aka Fito
  • Formic acid (CAS#64-18-6) 1

Formic acid (CAS#64-18-6)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Farashin CH2O2
Molar Mass 46.03
Yawan yawa 1.22 g/mL a 25 ° C (lit.)
Matsayin narkewa 8.2-8.4C (lit.)
Matsayin Boling 100-101 ° C (lit.)
Wurin Flash 133°F
Lambar JECFA 79
Ruwan Solubility MISALI
Solubility H2O: mai narkewa1g/10ml, bayyananne, mara launi
Tashin Turi 52 mm Hg (37 ° C)
Yawan Turi 1.03 (da iska)
Bayyanar Ruwa
Takamaiman Nauyi 1.216 (20 ℃ / 20 ℃)
Launi Saukewa: ≤15
Iyakar Bayyanawa TLV-TWA 5 ppm (～9 mg/m3) (ACGIH, MSHA, OSHA, da NIOSH); IDLH 100ppm (180 mg/m3) (NIOSH).
Matsakaicin zango (λmax) ['λ: 260 nm Amax: 0.03',
, 'λ: 280 nm Amax: 0.01']
Merck 14,4241
BRN 1209246
pKa 3.75 (a 20 ℃)
PH 3.47 (1 mM bayani); 2.91 (10 mM bayani); 2.38 (100 mM bayani);
Yanayin Ajiya 2-8 ° C
Kwanciyar hankali Barga. Abubuwan da za a guje wa sun haɗa da tushe mai ƙarfi, ƙwararrun ƙwararrun oxidizing da karafa mai foda, barasa furfuryl. Mai ƙonewa. Hygroscopic. Matsi na iya haɓakawa a cikin rufaffiyar kwalabe,,
M Hygroscopic
Iyakar fashewa 12-38% (V)
Fihirisar Refractive n20/D 1.377
Abubuwan Jiki da Sinadarai Halayen ruwa mara launi mai ƙura, tare da ƙaƙƙarfan ƙamshi.

Matsayin narkewa 8.4 ℃

tafasar batu 100.7 ℃

girman dangi 1.220

Ma'anar refractive 1.3714

filashi 69 ℃

solubility: mai narkewa a cikin ruwa, ethanol da ether, dan kadan mai narkewa a cikin benzene.
Amfani Don shirye-shiryen formate, formate, formamide, da dai sauransu, amma kuma a cikin magani, bugu da rini, rini, fata da sauran masana'antu suna da takamaiman amfani.

Cikakken Bayani

Tags samfurin

Lambobin haɗari R23/24/25 - Mai guba ta numfashi, a cikin hulɗa da fata kuma idan an haɗiye shi.
R34 - Yana haifar da konewa
R40 - Shaida mai iyaka na tasirin cutar sankara
R43 - Yana iya haifar da hankali ta hanyar saduwa da fata
R35 - Yana haifar da ƙonawa mai tsanani
R36 / 38 - Iriting ga idanu da fata.
R10 - Flammable
Bayanin Tsaro S36/37 - Sanya tufafin kariya da safar hannu masu dacewa.
S45 - Idan akwai haɗari ko kuma idan kun ji rashin lafiya, nemi shawarar likita nan da nan (nuna alamar a duk lokacin da zai yiwu.)
S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S23 - Kar a shaka tururi.
S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
ID na UN UN 1198 3/PG 3
WGK Jamus 2
RTECS Saukewa: LP8925000
FLUKA BRAND F CODES 10
Farashin TSCA Ee
HS Code 29151100
Matsayin Hazard 8
Rukunin tattarawa II
Guba LD50 a cikin mice (mg/kg): 1100 baki; 145 iv (Malorny)

 

Gabatarwa

formic acid) ruwa ne mara launi mai kamshi. Wadannan su ne manyan kaddarorin formic acid:

 

Kaddarorin jiki: Formic acid yana da narkewa sosai kuma yana narkewa cikin ruwa da mafi yawan kaushi.

 

Abubuwan sinadarai: Formic acid shine wakili mai ragewa wanda ke sauƙaƙe oxidized zuwa carbon dioxide da ruwa. Filin yana amsawa tare da tushe mai ƙarfi don samar da tsari.

 

Babban amfani da formic acid sune kamar haka:

 

A matsayin magungunan kashe kwayoyin cuta da masu kiyayewa, ana iya amfani da formic acid a cikin shirye-shiryen dyes da fata.

 

Hakanan za'a iya amfani da formic acid azaman wakili na narkewar kankara da kisa.

 

Akwai manyan hanyoyi guda biyu don shirya formic acid:

 

Hanyar al'ada: Hanyar distillation don samar da formic acid ta wani ɓangaren oxidation na itace.

 

Hanyar zamani: an shirya formic acid ta hanyar methanol oxidation.

 

Kariya don amintaccen amfani da formic acid sune kamar haka:

 

Formic acid yana da ƙamshin ƙamshi da ɓarna, don haka yakamata a sanya safar hannu da tabarau masu kariya lokacin amfani da shi.

 

Ka guji shakar formic acid tururi ko kura, kuma tabbatar da samun iskar iska mai kyau lokacin amfani.

 

Formic acid na iya haifar da konewa kuma yakamata a adana shi daga wuta da kayan wuta.

 

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