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Pyridine (CAS # 110-86-1)

Ngwongwo kemịkalụ:

Usoro ihe omimi C5H5N
Molar Mass 79.1
Njupụta 0.978 g/mL na 25 Celsius C (ọkụ)
Ebe Na-agbaze -42C (ọkụ)
Ebe Boling 115 Celsius C (ọkụ ọkụ)
Ebe mgbari 68°F
Mmiri Solubility Na-atụgharị uche
Solubility H2O: dị ka
Uzuoku nrịbama 23.8 mm Hg (25 Celsius C)
Uzuoku Njupụta 2.72 (na ikuku)
Ọdịdị Mmiri mmiri
Agba enweghị agba
Isi A na-achọpụta isi ọgbụgbọ na 0.23 ruo 1.9 ppm (pụtara = 0.66 ppm)
Oke ngosi TLV-TWA 5 ppm (~15 mg/m3) (ACGIH, MSHA, na OSHA); STEL 10 ppm (ACGIH), IDLH 3600 ppm (NIOSH).
Ogologo ikuku kacha (λ kacha) ['λ: 305 nm Amax: 1.00',
, 'λ: 315 nm Amax: 0.15',
, 'λ: 335 nm Amax: 0.02',
,': 35
Merck 14,7970
BRN 103233
pKa 5.25 (na 25 ℃)
PH 8.81 (H2O, 20 ℃)
Ọnọdụ Nchekwa Na-echekwa na +5°C ruo +30°C.
Nkwụsi ike Kwụsie ike. Enwere ike ire ọkụ. Na-ekwekọghị na ndị ọrụ oxidizing siri ike, acid siri ike.
Oke ihe mgbawa 12.4%
Ntụgharị uche n20/D 1.509(ọkụ)
Njirimara anụ ahụ na kemịkalụ Njirimara nke mmiri mmiri edo edo na-enweghị agba ma ọ bụ ìhè. Nwere isi na-adịghị mma.
esi esi 115.5 ℃
ebe oyi -42 ℃
ikwu njupụta 0.9830g/cm3
Ntụgharị ntụgharị 1.5095
flash point 20 ℃
solubility, ethanol, acetone, ether na benzene.
Jiri A na-ejikarị ya dị ka akụrụngwa maka ụlọ ọrụ ọgwụ, nke a na-eji dị ka ihe mgbaze na ndị na-aṅụ mmanya na-aba n'anya, ma na-ejikwa ya na mmepụta nke roba, agba, resin na corrosion inhibitors.

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R11 - Na-agba ọkụ nke ukwuu
R20/21/22 - na-emerụ ahụ site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro ya.
R39/23/24/25 -
R23/24/25 - Na-egbu egbu site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na iloro ya.
R52 - na-emerụ ihe ndị dị n'ime mmiri
R36 / 38 - na-akpasu anya na akpụkpọ ahụ.
Nkọwapụta nchekwa S36 / 37/39 - Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu.
S38 - Ọ bụrụ na enweghị ikuku zuru oke, yikwasị akụrụngwa iku ume kwesịrị ekwesị.
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.)
S61 – Zere ntọhapụ na gburugburu ebe obibi. Rụtụ aka na ntuziaka pụrụ iche / mpempe data nchekwa.
S28A -
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S28 - Mgbe kọntaktị na akpụkpọ anụ, saa ozugbo na ọtụtụ ncha-suds.
S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya.
S22 - Ekula uzuzu.
S36/37 - Yiri uwe nchebe kwesịrị ekwesị na uwe aka.
S16 - Wepụ ya na isi mmalite nke mgbanye.
S7 - Debe akpa ahụ nke ọma.
NJ UN UN 1282 3/PG 2
WGK Germany 2
RTECS Ọnụ ego 8400000
FLUKA BRAND F CODES 3-10
TSCA Ee
Koodu HS 2933 31 00
Ihe edeturu egwu Na-agba ọkụ nke ukwuu / na-emerụ ahụ
Klas Hazard 3
Otu nkwakọ ngwaahịa II
Nsi LD50 ọnụ na oke: 1.58 g/kg (Smyth)

 

Okwu mmalite

Ogo:

1. Pyridine bụ mmiri mmiri na-enweghị agba nke nwere isi benzene siri ike.

2. Ọ nwere nnukwu isi ihe na-esi ísì ụtọ na nke na-agbanwe agbanwe, ọ pụkwara ịsacha ya n'ụdị ihe mgbaze dị iche iche nke organic, ma ọ na-esiri ike ịgbaze na mmiri.

3. Pyridine bụ ihe alkaline nke na-ewepụ acid na mmiri.

4. Pyridine nwere ike ịnweta njikọ hydrogen na ọtụtụ ogige.

 

Jiri:

1. A na-ejikarị Pyridine eme ihe dị ka ihe mgbaze na mmeghachi omume nke mmepụta ihe, ma nwee nnukwu solubility maka ọtụtụ ogige organic.

2. Pyridine nwekwara ngwa na njikọ nke pesticides, dị ka njikọ nke fungicides na ụmụ ahụhụ.

 

Usoro:

1. Enwere ike ịkwadebe Pyridine site na usoro nhazi dị iche iche, nke a na-ejikarị eme ihe site na mbelata hydrogenation nke pyridinexone.

2. Ụzọ nkwadebe ndị ọzọ na-agụnye iji amonia na aldehyde ogige, mmeghachi omume mgbakwunye nke cyclohexene na nitrogen, wdg.

 

Ozi nchekwa:

1. Pyridine bụ ihe mgbaze organic ma nwee ụfọdụ mgbanwe. Ekwesịrị itinye nlebara anya na ọnọdụ ụlọ nyocha nwere ventilashị nke ọma mgbe ị na-eji iji zere iku ume nke ịdoụbiga mmanya ókè.

2. Pyridine na-akpasu iwe ma nwee ike imebi anya, akpụkpọ ahụ, na akụkụ iku ume. Ngwa nchebe kwesịrị ekwesị, gụnyere uwe aka, ugogbe anya, na ihe mkpuchi, kwesịrị iyiri mgbe a na-arụ ọrụ.

3. A na-achọ usoro nchebe na njikwa kwesịrị ekwesị maka ndị mmadụ na-ekpuchi pyridine ogologo oge.


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