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3-Methyl-1-butanol (CAS # 123-51-3)

Chemical Property:

Molecular Formula C5H12O
Molar Mass 88.15 Nws
Qhov ntom 0.809g / mLat 25 ° C (lit.)
Melting Point -117 ° C
Boling Point 131-132 ° C
Flash Point 109.4 ° F
JECFA Number 52
Dej Solubility 25 g / L (20 ºC)
Solubility 25 g / l
Vapor Siab 2 hli Hg (20 ° C)
Vapor Density 3 (vs huab cua)
Qhov tshwm sim Ua kua
Specific Gravity 0.813 (15/4 ℃)
Xim <20 (APHA)
tsw Tus ntxhiab tsw; cawv, uas tsis yog residual.
Exposure Limit NIOSH REL: TWA 100 ppm (360 mg/m3), IDLH 500 ppm; OSHA PEL: TWA 100 ppm; ACGIH TLV: TWA 100 ppm, STEL 125 ppm (tau txais).
Qhov siab tshaj plaws wavelength (λmax) ['λ: 260 nm Amax: 0.06',
, 'λ: 280 nm Amax: 0.06']
Merck 14, 5195 ib
BRN 1718835 ib
pKa > 14 (Schwarzenbach et al., 1993)
PH 7 (25g / l, H2O, 20 ℃)
Kev cia khoom chav kub
Kev ruaj ntseg ruaj khov. Flamable. Incompatible nrog muaj zog oxidizing neeg sawv cev, muaj zog acids, acid chlorides, acid anhydrides.
Explosive txwv 1.2-9%, 100 ° F
Refractive Index N20/D 1.407
Physical thiab Chemical Properties Kuj hu ua 3-methyl -1-butanol, isobutyl methanol. Tsis muaj xim pob tshab kua nrog ib qho tsis kaj siab tsw. Melting Point -117.2 ° C. Kub taw tes 130.5 ° C. 0.812 ib. 1.4084 ib. Viscosity (24 C) 3.86mPa-s. Flash point (Qhib khob) 56 °c. Isoamyl cawv me ntsis soluble hauv dej, soluble hauv cawv, ether ketone, benzene, chloroform thiab roj av ether. Ib qho azeotrope tuaj yeem tsim nrog dej nrog cov ntsiab lus dej ntawm 49.6% los ntawm huab hwm coj.
Siv Siv rau hauv kev tsim cov txuj lom, tshuaj thiab cov tshuaj yees duab, kuj tuaj yeem siv los ua cov kuab tshuaj

Product Detail

Khoom cim npe

Hazard Cov Cim Xn – Ua phem
Risk Codes R10 - Flammable
R20 - Ua phem los ntawm kev nqus pa
R37 - Ua rau khaus khaus ua pa
R66 - Rov ua dua tuaj yeem ua rau tawv nqaij qhuav lossis tawg
R20/22 - Ua phem los ntawm kev nqus pa thiab yog tias nqos.
Kev nyab xeeb piav qhia S46 - Yog tias nqos tau, nrhiav kev kho mob tam sim ntawd thiab qhia lub thawv lossis daim ntawv lo.
S16 - Khaws kom deb ntawm qhov chaw hluav taws xob.
UN IDs UN 1105 3/PG 3
WGK Germany 1
RTECS TSI 5425000
TSCA Yog lawm
HS Code 2933595 ib
Hazard Class 3
Packing Group II
Toxicity LD50 qhov ncauj hauv nas: 7.07 ml / kg (Smyth)

 

Taw qhia

Isoamyl cawv, tseem hu ua isobutanol, muaj cov tshuaj formula C5H12O. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:

 

Zoo:

1. Isoamyl cawv yog cov kua uas tsis muaj xim nrog cov cawv txiv hmab tshwj xeeb.

2. Nws muaj qhov kub ntawm 131-132 ° C thiab qhov txheeb ze ntawm 0.809g / mLat 25 ° C (lit.).

3. Isoamyl cawv yog soluble hauv dej thiab feem ntau cov kuab tshuaj organic.

 

Siv:

1. Isoamyl cawv feem ntau yog siv los ua cov kuab tshuaj thiab muaj ntau yam kev siv hauv cov txheej txheem, inks, adhesives thiab tshuaj ntxuav.

2. Isoamyl cawv kuj tuaj yeem siv los tsim lwm cov tshuaj xws li ethers, esters, thiab aldehydes thiab ketones.

 

Txoj kev:

1. Ib hom kev npaj ntawm isoamyl cawv yog tau los ntawm acidic alcohololysis cov tshuaj tiv thaiv ntawm ethanol thiab isobutylene.

2. Lwm txoj kev npaj yog tau los ntawm hydrogenation ntawm isobutylene.

 

Cov ntaub ntawv kev nyab xeeb:

1. Isoamyl cawv yog cov kua nplaum uas tuaj yeem ua rau hluav taws kub thaum raug hluav taws kub.

2. Thaum siv isoamyl cawv, nws yog ib qho tsim nyog yuav tsum tsis txhob nqus pa, tiv tauj nrog daim tawv nqaij lossis kev nkag mus rau hauv lub cev kom tsis txhob muaj kev puas tsuaj rau kev noj qab haus huv.

3. Kev ntsuas cua zoo yuav tsum tau ua thaum siv isoamyl cawv kom ntseeg tau tias huab cua nyob hauv tsev.

4. Nyob rau hauv cov ntaub ntawv ntawm to, isoamyl cawv yuav tsum tau muab cais tawm sai sai, thiab cov leakage yuav tsum tau muab pov tseg kom zoo kom tsis txhob muaj cov tshuaj tiv thaiv nrog lwm yam tshuaj.


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  • Sau koj cov lus ntawm no thiab xa tuaj rau peb