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ibicuruzwa

Pyridine (CAS # 110-86-1)

Umutungo wa Shimi:

Inzira ya molekulari C5H5N
Misa 79.1
Ubucucike 0,978 g / mL kuri 25 ° C (lit.)
Ingingo yo gushonga -42 ° C (lit.)
Ingingo ya Boling 115 ° C (lit.)
Flash point 68 ° F.
Amazi meza Ntibishoboka
Gukemura H2O: ukurikije
Umwuka 23.8 mm Hg (25 ° C)
Ubucucike bw'umwuka 2.72 (vs ikirere)
Kugaragara Amazi
Ibara ibara
Impumuro Kubabaza impumuro igaragara kuri 0.23 kugeza 1.9 ppm (bivuze = 0,66 ppm)
Imipaka ntarengwa TLV-TWA 5 ppm (~ 15 mg / m3) (ACGIH, MSHA, na OSHA); STEL 10 ppm (ACGIH), IDLH 3600 ppm (NIOSH).
Uburebure ntarengwa (λmax) ['λ: 305 nm Amax: 1.00',
, 'λ: 315 nm Amax: 0.15',
, 'λ: 335 nm Amax: 0.02',
, 'λ: 35
Merk 14,7970
BRN 103233
pKa 5.25 (kuri 25 ℃)
PH 8.81 (H2O, 20 ℃)
Imiterere y'Ububiko Ubike kuri + 5 ° C kugeza kuri + 30 ° C.
Igihagararo Ihamye. Umuriro. Ntibishobora gukoreshwa na okiside ikomeye, acide ikomeye.
Umupaka uturika 12.4%
Ironderero n20 / D 1.509 (lit.)
Ibintu bifatika na shimi Ibiranga ibara ryumuhondo cyangwa ibara ryumuhondo. Ifite impumuro idashimishije.
ingingo itetse 115.5 ℃
ingingo yo gukonjesha -42 ℃
ubucucike bugereranije 0,9830g / cm3
indangantego yo gukuraho 1.5095
flash point 20 ℃
solubility, Ethanol, acetone, ether na benzene.
Koresha Ahanini ikoreshwa nkibikoresho fatizo mu nganda zimiti, ikoreshwa nkibishishwa hamwe n’inzoga, ariko ikoreshwa no mu gukora reberi, amarangi, resin hamwe na ruswa yangiza.

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R11 - Biraka cyane
R20 / 21/22 - Byangiza muguhumeka, guhura nuruhu kandi niba byamizwe.
R39 / 23/24/25 -
R23 / 24/25 - Uburozi muguhumeka, guhura nuruhu kandi niba byamizwe.
R52 - Yangiza ibinyabuzima byo mu mazi
R36 / 38 - Kurakaza amaso n'uruhu.
Ibisobanuro byumutekano S36 / 37/39 - Wambare imyenda ikingira, uturindantoki no kurinda amaso / mu maso.
S38 - Mugihe uhumeka udahagije, ambara ibikoresho byubuhumekero.
S45 - Mugihe habaye impanuka cyangwa niba wumva utameze neza, shaka inama zubuvuzi ako kanya (erekana ikirango igihe cyose bishoboka.)
S61 - Irinde kurekura ibidukikije. Reba amabwiriza yihariye / impapuro z'umutekano.
S28A -
S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S28 - Nyuma yo guhura nuruhu, oza ako kanya ukoresheje amasabune menshi.
S24 / 25 - Irinde guhura nuruhu n'amaso.
S22 - Ntugahumeke umukungugu.
S36 / 37 - Wambare imyenda ikingira hamwe na gants.
S16 - Irinde amasoko yo gutwikwa.
S7 - Komeza ibikoresho bifunze cyane.
Indangamuntu ya Loni UN 1282 3 / PG 2
WGK Ubudage 2
RTECS UR8400000
FLUKA BRAND F CODES 3-10
TSCA Yego
Kode ya HS 2933 31 00
Icyitonderwa Birakongoka cyane / Byangiza
Icyiciro cya Hazard 3
Itsinda ryo gupakira II
Uburozi LD50 mu kanwa mu mbeba: 1.58 g / kg (Smyth)

 

Intangiriro

Ubwiza:

1. Pyridine ni amazi atagira ibara afite impumuro nziza ya benzene.

2. Ifite aho itetse cyane kandi ihindagurika, kandi irashobora gushonga mumashanyarazi atandukanye, ariko biragoye gushonga mumazi.

3. Pyridine nikintu cyitwa alkaline itesha aside mumazi.

4. Pyridine irashobora guhuza hydrogène hamwe nibintu byinshi.

 

Koresha:

1.

2. Pyridine ifite kandi porogaramu muguhuza imiti yica udukoko, nka synthesis ya fungicide nudukoko.

 

Uburyo:

1.

2. Ubundi buryo busanzwe bwo gutegura burimo gukoresha ammonia na aldehyde ivanze, reaction ya cyclohexene na azote, nibindi.

 

Amakuru yumutekano:

1. Pyridine ni umusemburo kama kandi ufite ihindagurika runaka. Hagomba kwitonderwa imiterere ya laboratoire ihumeka neza mugihe ukoresheje kugirango wirinde guhumeka birenze urugero.

2. Pyridine irakaze kandi irashobora kwangiza amaso, uruhu, hamwe nubuhumekero. Ibikoresho bikingira birinda, harimo uturindantoki, ibirahure, hamwe na masike yo gukingira, bigomba kwambarwa mugihe cyo gukora.

3. Harakenewe ingamba zikwiye zo kurinda no kugenzura abantu bahuye na pyridine igihe kinini.


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