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Formic acid(CAS#64-18-6) Setšoantšo se Hlahisitsoeng
  • Formic acid(CAS#64-18-6) 1

Formic acid(CAS#64-18-6)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule CH2O2
'Misa oa Molar 46.03
Botenya 1.22 g/mL ho 25 °C (hote.)
Melting Point 8.2-8.4 °C (hote.)
Boling Point 100-101 °C (hote.)
Flash point 133°F
JECFA Nomoro 79
Ho qhibiliha ha Metsi HLOKOMELA
Solubility H2O: soluble1g/10 mL, e hlakileng, ha e na mebala
Khatello ea Mouoane 52 mm Hg (37°C)
Tekano ea Mouoane 1.03 (khahlanong le moea)
Ponahalo Mokelikeli
Matla a Khoheli a khethehileng 1.216 (20℃/20℃)
Mmala APHA: ≤15
Moedi wa ho pepeseha TLV-TWA 5 ppm (～9 mg/m3) (ACGIH,MSHA, OSHA, le NIOSH); IDLH 100ppm (180 mg/m3) (NIOSH).
Boholo ba wavelength(λmax) ['λ: 260 nm Amax: 0.03',
, 'λ: 280 nm Amax: 0.01']
Merck 14,4241
BRN 1209246
pKa 3.75(ho 20℃)
PH 3.47(1 mM tharollo);2.91(10 mM tharollo);2.38(100 mM tharollo);
Boemo ba polokelo 2-8°C
Botsitso E tsitsitseng. Lintho tse lokelang ho qojoa li kenyelletsa metheo e matla, li-oxidizing agents le litšepe tse phofshoana, joala ba furfuryl. E tukang. Hygroscopic. Khatello e ka 'na ea eketseha ka libotlolong tse koetsoeng ka thata,
E hloahloa Hygroscopic
Qeto ea ho phatloha 12-38%(V)
Refractive Index n20/D 1.377
Thepa ea 'Mele le ea Lik'hemik'hale Litšobotsi tsa mokelikeli o tukang o se nang 'Mala, o monko o bohale.

sebaka se qhibilihang ke 8.4 ℃

ntlha e belang 100.7 ℃

letsoalo le lekanyelitsoeng 1.220

index ea refractive 1.3714

ntlha ea flash 69 ℃

solubility: qhibilihang ka metsing, ethanol le ether, e qhibilihang hanyane ka har'a benzene.
Sebelisa Bakeng sa ho lokisoa ha formate, formate, formamide, joalo-joalo, empa hape le meriana, khatiso le ho daea, dae, letlalo le liindasteri tse ling li na le tšebeliso e itseng.

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R23/24/25 – E na le chefo ka ho hema, ho kopana le letlalo le haeba e koetsoe.
R34 – E baka ho cha
R40 - Bopaki bo fokolang ba phello ea kankere
R43 – E ka baka maikutlo a matla ka ho ama letlalo
R35 – E baka ho cha ho matla
R36/38 – Ho hlohlona mahlong le letlalong.
R10 – E ka cha
Tlhaloso ea Tšireletseho S36/37 - Apara liaparo tse loketseng tsa tšireletso le liatlana.
S45 – Ha ho ka etsahala kotsi kapa ha o ikutlwa o sa phele hantle, batla keletso ya bongaka hanghang (bontsha leibole neng kapa neng ha ho kgoneha.)
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S23 - Se ke oa hema mouoane.
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
Li-ID tsa UN UN 1198 3/PG 3
WGK Jeremane 2
RTECS LP8925000
LIKHOUTU FLUKA BRAND F 10
TSCA Ee
Khoutu ea HS 29151100
Sehlopha sa Likotsi 8
Sehlopha sa ho paka II
Chefo LD50 ka litoeba (mg / kg): 1100 ka molomo; 145 iv (Malorny)

 

Selelekela

formic acid) ke mokelikeli o senang mmala o monko o hlabang. Lintho tse ka sehloohong tsa formic acid ke tse latelang:

 

Thepa ea 'mele: Formic acid e qhibiliha haholo 'me e qhibiliha ka metsing le boholo ba lihlapolli tsa tlhaho.

 

Lintho tsa lik'hemik'hale: Formic acid ke ntho e fokotsang e kenang habonolo carbon dioxide le metsi. Motsoako o sebetsa ka motheo o matla ho hlahisa sebopeho.

 

Lisebelisoa tse ka sehloohong tsa formic acid ke tse latelang:

 

E le sebolaea-likokoana-hloko le se sireletsang, formic acid e ka sebelisoa ha ho etsoa dae le letlalo.

 

Formic acid e ka boela ea sebelisoa e le ntho e qhibilihisang leqhoa le 'molai oa mite.

 

Ho na le mekhoa e 'meli ea mantlha ea ho lokisa formic acid:

 

Mokhoa oa setso: Mokhoa oa distillation ho hlahisa asiti ea formic ka oxidation ea lehong.

 

Mokhoa oa sejoale-joale: asiti ea formic e lokiselitsoe ke methanol oxidation.

 

Litlhokomelo tsa tšebeliso e sireletsehileng ea formic acid ke tse latelang:

 

Formic acid e na le monko o hlabang le lintho tse senyang, kahoo u lokela ho roala liatlana tse sireletsang le likhalase ha u e sebelisa.

 

Qoba ho hema mouoane oa asiti ea formic kapa lerōle, 'me u netefatse hore ho na le moea o motle ha o sebelisa.

 

Asiti ea formic e ka baka mollo 'me e lokela ho bolokoa hole le mollo le lisebelisoa tse tukang.

 

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