sovalericacid (CAS # 503-74-2)

Ohun-ini Kemikali:

Fọọmu Molecular	C5H10O2
Molar Mass	102.13
iwuwo	0.925 g/mL ni 20 °C (tan.)
Ojuami Iyo	-29 °C (tan.)
Ojuami Boling	175-177 °C (tan.)
Oju filaṣi	159°F
Nọmba JECFA	259
Omi Solubility	25 g/L (20ºC)
Solubility	Soluble ni awọn ẹya 24 ti omi, tiotuka ni ethanol; ether ati chloroform.
Vapor Presure	0.38 mm Hg (20 °C)
Ifarahan	Sihin omi
Specific Walẹ	0.928 (20/20℃)
Àwọ̀	Ko awọ kuro si ofeefee die
Merck	14.5231
BRN	1098522
pKa	4.77 (ni iwọn 25 ℃)
PH	3.92 (1 mM ojutu);3.4 (10 mM ojutu);2.89 (100 mM ojutu);
Ibi ipamọ Ipo	Fipamọ ni isalẹ + 30 ° C.
ibẹjadi iye to	1.5-6.8% (V)
Atọka Refractive	n20/D 1.403(tan.)
MDL	MFCD00002726
Ti ara ati Kemikali Properties	Ohun kikọ: olomi sihin ti ko ni awọ pẹlu oorun ti ko wuyi. aaye yo -29.3 ℃ farabale ojuami 176,7 ℃ iwuwo ojulumo 0.9286 itọka ifura 1.4033 BR> solubility: tiotuka ninu omi. Miscible pẹlu ethanol ati ether.
Lo	Fun igbaradi ti turari

Fi imeeli ranṣẹ si wa

Alaye ọja

ọja Tags

Awọn koodu ewu	R34 - Awọn okunfa sisun R24 - Majele ninu olubasọrọ pẹlu awọ ara R22 – Ipalara ti o ba gbe
Apejuwe Abo	S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju. S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.) S38 - Ni ọran ti aipe afẹfẹ, wọ awọn ohun elo atẹgun ti o dara. S28A -
UN ID	UN 3265 8/PG 2
WGK Germany	1
RTECS	NY1400000
FLUKA BRAND F koodu	13
TSCA	Bẹẹni
HS koodu	2915 60 90
Kíláàsì ewu	6.1
Iṣakojọpọ Ẹgbẹ	III
Oloro	LD50 iv ninu eku: 1120± 30 mg/kg (Tabi, Wretlind)

Ọrọ Iṣaaju

Isovaleric acid. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti isovaleric acid:

Didara:

Irisi: Alailowaya tabi omi alawọ ofeefee pẹlu õrùn asan ti o jọra si acetic acid.

Ìwọ̀n: 0.94g/cm³

Solubility: tiotuka ninu omi, o le tun jẹ miscible pẹlu ethanol, ether ati awọn miiran Organic olomi.

Lo:

Synthesis: Isovaleric acid jẹ agbedemeji iṣelọpọ kemikali pataki, eyiti o jẹ lilo pupọ ni ọpọlọpọ awọn aaye ile-iṣẹ bii iṣelọpọ Organic, awọn oogun, awọn aṣọ, roba ati awọn pilasitik.

Ọna:

Ọna igbaradi ti isovaleric acid pẹlu awọn ọna wọnyi:

Nipasẹ iṣesi oxidation ti n-butanol, ifoyina ti n-butanol si isovaleric acid ni a ṣe ni lilo ayase acidic ati atẹgun.

Iṣuu magnẹsia butyrate ti wa ni akoso nipasẹ iṣesi ti iṣuu magnẹsia butyl bromide pẹlu erogba oloro, eyiti o yipada lẹhinna si isovaleriic acid nipasẹ ifarabalẹ pẹlu monoxide erogba.

Alaye Abo:

Isovaleric acid jẹ nkan ti o bajẹ, yago fun olubasọrọ pẹlu awọ ara ati oju, ki o san ifojusi si lilo awọn ibọwọ aabo, awọn gilaasi aabo ati awọn aṣọ aabo.

Nigbati o ba nlo acid isovaleric, ifasimu ti awọn vapors yẹ ki o yago fun ati pe iṣẹ naa yẹ ki o ṣe ni agbegbe ti o ni afẹfẹ daradara.

Aaye ina jẹ kekere, yago fun olubasọrọ pẹlu orisun ina, ati tọju kuro ni awọn ina ṣiṣi ati awọn orisun ooru.

Ni ọran ti ifihan lairotẹlẹ si isovaleric acid, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa itọju ilera.

Ti tẹlẹ: Methyl p-tert-butylphenylacetate (CAS # 3549-23-3)

Itele: Diethylsuccinate (CAS#123-25-1)

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