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L-Theanine (CAS # 3081-61-6) Aworan Afihan
  • L-Theanine (CAS# 3081-61-6) 1

L-Theanine (CAS# 3081-61-6)

Ohun-ini Kemikali:

Fọọmu Molecular C7H14N2O3
Molar Mass 174.2
iwuwo 1.171± 0.06 g/cm3 (Asọtẹlẹ)
Ojuami Iyo 207°C
Ojuami Boling 430.2± 40.0 °C(Asọtẹlẹ)
Yiyi pato (α) +8.0° (omi)
Oju filaṣi 214°C
Omi Solubility fere akoyawo
Solubility Insoluble ni ethanol ati ether, ni irọrun tiotuka ninu omi.
Vapor Presure 1.32E-08mmHg ni 25°C
Ifarahan Kirisita funfun
Àwọ̀ Funfun
pKa 2.24± 0.10 (Asọtẹlẹ)
Ibi ipamọ Ipo 2-8°C
Iduroṣinṣin Idurosinsin fun ọdun 2 lati ọjọ rira bi a ti pese. Awọn ojutu ninu omi distilled le wa ni ipamọ ni -20 ° fun osu meji.
Atọka Refractive 8 ° (C=5, H2O)
MDL MFCD00059653
Ti ara ati Kemikali Properties Funfun okuta lulú. Odorless, pẹlu itọwo didùn diẹ, pẹlu ẹnu-ọna itọwo ti 0.15%. Iwọn otutu ibajẹ ti 214 ~ 215. Tiotuka ninu omi, insoluble ni ethanol, ether. Awọn ọja adayeba wa diẹ sii ni tii alawọ ewe ti o ga julọ (to 2.2%).
Lo Ti a lo bi aropo ounjẹ

Alaye ọja

ọja Tags

Awọn aami ewu Xi - Irritant
Awọn koodu ewu 43 - Le fa ifamọ nipasẹ olubasọrọ ara
Apejuwe Abo S28 - Lẹhin olubasọrọ pẹlu awọ ara, wẹ lẹsẹkẹsẹ pẹlu ọpọlọpọ ọṣẹ-suds.
S36 / 37 - Wọ aṣọ aabo ati awọn ibọwọ to dara.
HS koodu 29241990

 

Ọrọ Iṣaaju

L-theanine (L-Theanine) jẹ paati alailẹgbẹ ninu tii, afọwọṣe amino acid glutamine, ati amino acid lọpọlọpọ ninu tii. Wa ninu alawọ ewe tii. O ni itọwo didùn diẹ. Awọn ọja adayeba ni a rii pupọ julọ ni tii alawọ ewe ti o ga julọ (to 2.2%).

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