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Formic acid(CAS#64-18-6) Foto egosipụtara
  • Formic acid (CAS#64-18-6) 1

Formic acid (CAS#64-18-6)

Ngwongwo kemịkalụ:

Usoro ihe omimi CH2O2
Molar Mass 46.03
Njupụta 1.22 g/mL na 25 Celsius C (ọkụ)
Ebe Na-agbaze 8.2-8.4C (ọkụ)
Ebe Boling 100-101 Celsius C (ọkụ)
Ebe mgbari 133°F
Nọmba JECFA 79
Mmiri Solubility AKWỤKWỌ
Solubility H2O: soluble1g/10 mL, doro anya, enweghị agba
Uzuoku nrịbama 52 mm Hg (37 Celsius C)
Uzuoku Njupụta 1.03 (na ikuku)
Ọdịdị Mmiri mmiri
Nnukwu ike ndọda 1.216 (20 ℃ / 20 ℃)
Agba APHA: ≤15
Oke ngosi TLV-TWA 5 ppm (～9 mg/m3) (ACGIH, MSHA, OSHA, na NIOSH); IDLH 100ppm (180 mg/m3) (NIOSH).
Ogologo ikuku kacha (λ kacha) ['λ: 260 nm Amax: 0.03',
, 'λ: 280 nm Amax: 0.01']
Merck 14,4241
BRN 1209246
pKa 3.75 (na 20 ℃)
PH 3.47 (1 mM ngwọta);2.91 (10 mM ngwọta);2.38 (100 mM ngwọta);
Ọnọdụ Nchekwa 2-8 Celsius C
Nkwụsi ike Kwụsie ike. Ihe ndị a ga-ezere gụnyere ntọala siri ike, ihe na-eme ka oxidizing siri ike na ọla ntụ ntụ, furfuryl alcohol. Na-agbanyụ ọkụ. Hygroscopic. Nrụgide nwere ike ịmalite na karama mechiri emechi,,
Mmetụta Hygroscopic
Oke ihe mgbawa 12-38% (V)
Ntụgharị uche n20/D 1.377
Njirimara anụ ahụ na kemịkalụ Njirimara nke mmiri mmiri na-enwu ọkụ na-enweghị agba, yana isi ísì siri ike.

ebe mgbaze 8.4 ℃

esi esi 100,7 ℃

njupụta ikwu 1.220

index refractive 1.3714

flash point 69 ℃

solubility: soluble na mmiri, ethanol na ether, ubé soluble na benzene.
Jiri Maka nkwadebe nke formate, formate, formamide, wdg, ma na nkà mmụta ọgwụ, ibipụta na dyeing, e ji esiji ákwà, akpụkpọ anụ na ndị ọzọ ọrụ nwere ụfọdụ ojiji.

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R23/24/25 - Na-egbu egbu site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na iloro ya.
R34 - Na-akpata ọkụ
R40 - Ihe akaebe dị oke nke mmetụta carcinogenic
R43 - nwere ike ịkpata uche site na kọntaktị akpụkpọ
R35 - Na-ebute oke ọkụ
R36 / 38 - na-akpasu anya na akpụkpọ ahụ.
R10 - ọkụ
Nkọwapụta nchekwa S36/37 - Yiri uwe nchebe kwesịrị ekwesị na uwe aka.
S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.)
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S23 - Ekula uzuoku.
S36 / 37/39 - Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu.
NJ UN UN 1198 3/PG 3
WGK Germany 2
RTECS LP8925000
FLUKA BRAND F CODES 10
TSCA Ee
Koodu HS 29151100
Klas Hazard 8
Otu nkwakọ ngwaahịa II
Nsi LD50 n'ime ụmụ oke (mg/kg): 1100 ọnụ; 145 iv (Malorny)

 

Okwu mmalite

formic acid) bụ mmiri mmiri na-enweghị agba nke na-esi ísì ụtọ. Ihe ndị a bụ isi ihe nke formic acid:

 

Njirimara anụ ahụ: Formic acid na-agbaze nke ukwuu na soluble na mmiri na ọtụtụ ihe mgbaze organic.

 

Njirimara kemịkalụ: Formic acid bụ ihe na-ebelata nke na-adị mfe oxidized na carbon dioxide na mmiri. Ngwakọta ahụ na-emeghachi omume na ntọala siri ike iji mepụta formate.

 

Isi ojiji nke formic acid bụ ndị a:

 

Dị ka ihe na-egbu egbu na ihe nchekwa, a pụrụ iji formic acid mee ihe na nkwadebe nke agba na akpụkpọ anụ.

 

A pụkwara iji formic acid mee ihe dị ka ihe na-agbaze ice na egbu egbu.

 

Enwere ụzọ abụọ isi kwadebe formic acid:

 

Usoro ọdịnala: Usoro mgbasa iji mepụta formic acid site na oxidation nke osisi.

 

Usoro nke oge a: a na-akwado formic acid site na methanol oxidation.

 

Akpachara anya maka iji formic acid eme ihe nke ọma bụ ndị a:

 

Formic acid nwere ihe na-esi ísì ụtọ na ihe na-emebi emebi, yabụ ị kwesịrị iyi uwe mkpuchi na ugogbe anya mgbe ị na-eji ya.

 

Zere ikuru ikuku formic acid vapor ma ọ bụ uzuzu, wee hụ na ikuku ikuku dị mma mgbe ị na-eji ya.

 

Formic acid nwere ike ịkpata combustion na ekwesịrị ịchekwa ya na ọkụ na ihe ndị na-ere ọkụ.

 

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