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Pyridine(CAS#110-86-1)

Meatotino tau vailaau:

Fuafua mole C5H5N
Molar Mass 79.1
Malosi 0.978 g/mL ile 25 °C (malamalama)
Lisi Lisi -42 °C (malamalama)
Manu'a 115 °C (malamalama)
Mata'imu 68°F
Suavai Solubility Miscible
Solubility H2O: e tusa ai
Ausa Malo 23.8 mm Hg (25 °C)
Ausa Malosi 2.72 (vs ea)
Fa'aaliga Suavai
Lanu le lanu
Sogisogi Le manogi nausea e iloa ile 0.23 i le 1.9 ppm (mean = 0.66 ppm)
Tapulaa o Fa'aaliga TLV-TWA 5 ppm (~15 mg/m3) (ACGIH, MSHA, ma le OSHA); STEL 10 ppm (ACGIH), IDLH 3600 ppm (NIOSH).
Ole umi ole galu (λmax) ['λ: 305 nm A'oa'oga: 1.00',
, 'λ: 315 nm Tulaga maualuga: 0.15',
, 'λ: 335 nm Tulaga maualuga: 0.02',
, 'l: 35
Merck 14,7970
BRN 103233
pKa 5.25(i le 25℃)
PH 8.81 (H2O, 20 ℃)
Tulaga Teuteu Teu i le +5°C i le +30°C.
Maumau Stable. Mumu. E le fetaui ma vailaʻau faʻamaʻi malosi, vailaʻau malosi.
Tapulaa Pa 12.4%
Fa'asino Upu n20/D 1.509(mu.)
Meatotino Faaletino ma Vailaau O uiga o le vai e leai se lanu po'o samasama malamalama. E i ai se manogi leaga.
mea vevela 115.5 ℃
tulaga malulu -42 ℃
va'aiga va'aiga 0.9830g/cm3
fa'asino ole su'esu'e 1.5095
mea moli 20 ℃
solubility, ethanol, acetone, eter ma benzene.
Fa'aoga E masani ona faʻaaogaina e pei o mea mataʻutia mo le falemaʻi vailaʻau, faʻaaogaina e pei o solvents ma le ava malosi, ae faʻaaogaina foi i le gaosiga o le paʻu, vali, resini ma inhibitors corrosion.

Fa'amatalaga Oloa

Faailoga o oloa

Tulaga lamatia R11 – Sili ona mu
R20/21/22 – E afaina pe a manava, pe a pa'u ma pe a folo.
R39/23/24/25 -
R23/24/25 – O'ona pe a manava, fa'afeso'ota'i ma pa'u ma pe a foloina.
R52 – E afaina i meaola o le vai
R36/38 – Fa'aitaita i mata ma pa'u.
Fa'amatalaga Saogalemu S36/37/39 – Fai ofu puipui talafeagai, totigilima ma mata/mata.
S38 – I le tulaga e le lava le ea, fa'aaoga mea faigaluega fa'alenava.
S45 – I se fa'alavelave po'o ua e lagona le le lelei, saili vave fautuaga fa'afoma'i (fa'aali le igoa pe a mafai.)
S61 – Aloese mai le tu’u atu i le si’osi’omaga. Va'ai ile fa'atonuga fa'apitoa/pepa fa'amatalaga saogalemu.
S28A -
S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i.
S28 – A uma ona fa'afeso'ota'i ma pa'u, fufulu vave i le tele o fasimoli.
S24/25 – Aloese mai le fa'afeso'ota'i ma pa'u ma mata.
S22 – Aua le manava pefu.
S36/37 – Fai ofu puipui ma totigilima talafeagai.
S16 – Tausia mai mea e mu ai.
S7 – Tapuni le pusa.
UN ID UN 1282 3/PG 2
WGK Siamani 2
RTECS UR8400000
FLUKA BRAND F CODES 3-10
TSCA Ioe
HS Code 2933 31 00
Mata'utia Fa'amatalaga Sili ona Mu/Taua
Vasega o Tulaga Lamatia 3
Fa'aputu Vaega II
Oona LD50 tuugutu i isumu: 1.58 g/kg (Smyth)

 

Folasaga

Tulaga lelei:

1. Pyridine ose vai e leai se lanu ma se manogi malosi benzene.

2. E i ai le maualuga o le vevela ma le volatility, ma e mafai ona soluble i le tele o solvents organic, ae e faigata ona solu i le vai.

3. Pyridine ose mea alkaline e fa'apa'u ai acids i le vai.

4. E mafai e le pyridine ona fa'aogaina le hydrogen fa'atasi ma le tele o mea fa'apipi'i.

 

Fa'aaogā:

1. Pyridine e masani ona faʻaaogaina e avea o se solvent i le faʻaogaina o meaola faʻasolosolo, ma e maualuga lona solubility mo le tele o faʻalapotopotoga faʻapitoa.

2. Pyridine e iai foʻi faʻaoga i le tuʻufaʻatasia o vailaau faʻasaina, e pei o le faʻaogaina o fungicides ma iniseti.

 

Metotia:

1. E mafai ona saunia le Pyridine e ala i le tele o metotia faʻapipiʻi eseese, o le mea e masani ona faʻaaogaina e maua mai i le faʻaitiitia o le hydrogenation o le pyridinexone.

2. O isi auala masani sauniuni e aofia ai le faʻaogaina o le ammonia ma le aldehyde compounds, le faʻaopoopoga o tali ole cyclohexene ma le nitrogen, ma isi.

 

Fa'amatalaga Saogalemu:

1. Pyridine o se solu faʻaletino ma e iai se faʻalavelave faʻapitoa. E tatau ona fa'alogo lelei ile falesu'esu'e e fa'alelei lelei tulaga pe'a fa'aaoga e aloese ai mai le inhalation ole ova le inu.

2. Pyridine e ita ma e ono afaina ai mata, pa'u, ma le manava. O meafaigaluega puipuia talafeagai, e aofia ai totigilima, mata tioata, ma matapulepule puipui, e tatau ona ofuina i le taimi o le taotoga.

3. E manaʻomia ni puipuiga talafeagai ma faʻatonuga mo tagata na faʻaalia i le pyridine mo se taimi umi.


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