2-Pentanone (CAS # 107-87-9)

Chemical Property:

Molecular Formula	C5H10O
Molar Mass	86.13 ib
Qhov ntom	0.809 g / mL ntawm 25 ° C (lit.)
Melting Point	-78 ° C (lit.)
Boling Point	101-105 ° C (lit.)
Flash Point	45 ° F
JECFA Number	279
Dej Solubility	43 g / L (20 ºC)
Solubility	dej: soluble 72.6g / L ntawm 20 ° C (OECD Test Guideline 105)
Vapor Siab	27 hli Hg (20 ° C)
Qhov tshwm sim	Ua kua
Xim	Colorless mus Yuav luag tsis muaj xim
Exposure Limit	TLV-TWA 700 mg/m3 (200 ppm); STEL875 mg/m3 (250 ppm) (ACGIH).
Qhov siab tshaj plaws wavelength (λmax)	['λ: 330 nm Amax: 1.00', , 'λ: 340 nm Amax: 0.10', , 'λ: 350 nm Amax: 0.01', ib: 37
Merck	14,6114 ib
BRN	5 06058
Kev cia khoom	Khaws hauv qab +30 ° C.
Kev ruaj ntseg	ruaj khov. Highly flammable - ceeb toom tsawg flashpoint. Tsis sib haum nrog cov hauv paus muaj zog, oxidizing cov neeg ua haujlwm, txo cov neeg ua haujlwm.
Explosive txwv	1.56-8.70% (V)
Refractive Index	n20/D 1.39 (lit.)
Physical thiab Chemical Properties	Cov kua dej tsis muaj xim nrog cawv thiab acetone tsw. melting point -77.75 ℃ Kub taw tes 102 ℃ txheeb ze ntom ntom 0.8089 Refractive Index 1.3895 Soluble nyob rau hauv dej, miscible nrog ethanol thiab ether
Siv	Siv ua kuab tshuaj, organic synthesis intermediates

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Khoom cim npe

Risk Codes	R11 - Cov nplaim hluav taws kub heev R22 - Ua phem yog tias nqos R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia	S9 - Khaws lub thawv rau hauv qhov chaw muaj cua zoo. S16 - Khaws kom deb ntawm qhov chaw hluav taws xob. S29 - Tsis txhob muab tso rau hauv qhov dej. S33 - Siv cov kev tiv thaiv kev tiv thaiv zoo li qub. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
UN IDs	UN 1249 3/PG 2
WGK Germany	1
RTECS	SIB 7875000
TSCA	Yog lawm
HS Code	29141990 ib
Hazard Class	3
Packing Group	II
Toxicity	LD50 ntawm qhov ncauj hauv nas: 3.73 g / kg (Smyth)

Taw qhia

2-pentanone, tseem hu ua pentanone, yog cov organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 2-pentanone:

Zoo:

- Cov tsos mob: 2-pentanone yog cov kua tsis muaj xim nrog ib qho tshwj xeeb aroma.

- Solubility: Nws tuaj yeem yaj hauv dej thiab kuj yog miscible nrog ntau cov kuab tshuaj organic.

- Flammability: 2-pentanone yog cov kua hluav taws xob uas tuaj yeem ua rau hluav taws kub thaum muaj nplaim taws lossis kub kub.

Siv:

- Kev siv hauv kev lag luam: 2-pentanone yog siv los ua cov kuab tshuaj hauv kev tsim cov coatings, inks, adhesives, thiab lwm yam.

Txoj kev:

- 2-pentanone feem ntau yog npaj los ntawm oxidizing pentanol. Ib txoj hauv kev zoo tshaj plaws yog kom hnov mob nrog pentanol los ntawm tus neeg sawv cev oxidizing xws li oxygen lossis hydrogen peroxide, thiab ua kom cov tshuaj tiv thaiv los ntawm cov khoom siv xws li potassium chromate lossis cerium oxide.

Cov ntaub ntawv kev nyab xeeb:

- 2-pentanone yog flammable thiab yuav tsum tau ceev kom deb ntawm qhov qhib nplaim taws thiab kub kub.

- Hnav cov hnab looj tes tiv thaiv, tsom iav tiv thaiv, thiab daim npog ntsej muag tiv thaiv kom tsis txhob muaj qhov muag, tawv nqaij, thiab vapors.

- Cov khib nyiab yuav tsum muab pov tseg raws li cov cai hauv zos thiab cov kev cai, thiab yuav tsum tsis txhob muab pov tseg rau hauv dej lossis ib puag ncig.

- Thaum khaws cia thiab siv, thov ua raws li cov txheej txheem kev nyab xeeb thiab cov txheej txheem ua haujlwm kom ntseeg tau tias nws siv thiab khaws cia kom raug.

Yav dhau los: 4-Hydroxybenzyl cawv (CAS # 623-05-2)

Tom ntej: FEMA 2899 (CAS # 5452-07-3)

Sau koj cov lus ntawm no thiab xa tuaj rau peb