DL-Valine (CAS# 516-06-3)

Ohun-ini Kemikali:

Fọọmu Molecular	C5H11NO2
Molar Mass	117.15
iwuwo	1.31
Ojuami Iyo	295 °C (oṣu kejila) (tan.)
Ojuami Boling	213.6± 23.0 °C(Asọtẹlẹ)
Yiyi pato (α)	-0.6～+0.6° (20℃/D)(c=8, HCl)
Oju filaṣi	83°C
Nọmba JECFA	Ọdun 1426
Omi Solubility	68 g/L
Solubility	Tiotuka ninu omi, insoluble ni tutu ethanol, ether ati acetone
Vapor Presure	0.0633mmHg ni 25°C
Ifarahan	Funfun okuta lulú
Àwọ̀	Funfun
Òórùn	Alaini oorun
Merck	14,9909
BRN	506689
pKa	pK1:2.32(+1);pK2:9.61(0) (25°C)
Ibi ipamọ Ipo	Tọju ni aaye dudu, Afẹfẹ Inert, otutu yara
Ni imọlara	Ni irọrun fa ọrinrin
Atọka Refractive	1.4650 (iṣiro)
MDL	MFCD00004267
Ti ara ati Kemikali Properties	iwuwo 1.31 yo ojuami 283,5-285 ° C omi-tiotuka 68g/L
Lo	Le ṣee lo fun ijẹẹmu ati elegbogi kolaginni

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Alaye ọja

ọja Tags

Awọn aami ewu	Xn – ipalara
Awọn koodu ewu	40 - Ẹri to lopin ti ipa carcinogenic
Apejuwe Abo	S22 - Maṣe simi eruku. S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju. S36 - Wọ aṣọ aabo to dara.
WGK Germany	3
RTECS	YV9355500
TSCA	Bẹẹni
HS koodu	29224995

Ọrọ Iṣaaju

O le sublimate nigbati o ba gbona ni iyara gbogbogbo ati decompose ni 298 ℃ (lilẹ tube, alapapo iyara). Solubility ninu omi: 68g / l, kosi insoluble ni tutu oti ati ether, tiotuka ni inorganic acid; insoluble ni Organic epo; die-die tiotuka ni benzene ati oti.

Ti tẹlẹ: 2 6-Dichlorophenylhydrazine hydrochloride (CAS# 50709-36-9)

Itele: 2-HYDROXY-3-AMINO-5-PICOLINE(CAS# 52334-51-7)

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