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D-(+)-Tryptophan (CAS # 153-94-6) Kiʻi Hōʻike ʻia
  • D-(+)-Tryptophan (CAS# 153-94-6) 1

D-(+)-Tryptophan (CAS# 153-94-6)

Waiwai Kemika:

ʻĀpana Molekala C11H12N2O2
Molar Mass 204.23
ʻO ka mānoanoa 1.1754 (manaʻo koʻikoʻi)
Lae hehee 282-285°C (Dek.)(kumu)
Lae Boling 342.72°C (manaʻo koʻikoʻi)
Kahuli kiko'ī(α) 31.5 º (c=1, H2O 24 ºC)
Lae Flash 195.4°C
Hiki i ka wai 11 g/L (20 ºC)
Ka hoʻoheheʻe Hiki ke hoʻoheheʻe ʻia i loko o ka ethanol wela, ka hopena alkaline a me ka wai, ʻaʻole hiki ke hoʻoheheʻe ʻia i ka chloroform, ʻo ka waiʻawaʻawa nāwaliwali.
Puʻupuʻu mahu 4.27E-07mmHg ma 25°C
Ka nana aku Keʻokeʻo a keʻokeʻo-like crystalline pauda
kala kala Keʻokeʻo a melemele iki
BRN 86198
pKa 2.30±0.10(Wanamua)
Kūlana Waihona E mālama i kahi pōʻeleʻele, Inert ea, lumi wela
Paʻa Paʻa. ʻAʻole kūpono me nā mea oxidizing.
Hōʻike Hōʻike 31 ° (C=1, H2O)
MDL MFCD00005647
Na Waiwai Kino a Kimia helu hehee 282-285 ℃
ka huli ʻana o ka ʻike maka 31.5 ° (c = 1, H2O 24 ℃)
hiki ke hoʻoheheʻe ʻia i ka wai 11g/L (20 ℃)
Hoʻohana He meaʻai meaʻai nui, hoʻohana ʻia i ka lāʻau lapaʻau ma ke ʻano he mea hoʻomalu no ka maʻi

Huahana Huahana

Huahana Huahana

Pilikia a palekana

Nā hōʻailona pōʻino Xi – Hoʻohaunaele
Nā Code Risk R36/37/38 – Hoʻonanea i ka maka, ka ʻōpū hanu a me ka ʻili.
R41 – Ka pilikia o ka poino nui i na maka
R37/38 – Hoʻonanea i ka ʻōnaehana hanu a me ka ʻili.
R22 – Poino ke aleia
Ka wehewehe palekana S24/25 – Hōʻalo i ka pili ʻana me ka ʻili a me nā maka.
S36/37/39 – E hoʻohana i nā lole pale kūpono, nā mīkina lima a me ka pale maka/maka.
S36 – E komo i nā lole pale kūpono.
S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
WGK Kelemānia 3
RTECS YN6129000
NUI FLUKA BRAND F 8
TSCA ʻAe
HS Code 29339990
Papa Hazard HOOLAHA

Kuhikuhi

Kuhikuhi

Hōʻike hou aku
 1. Gan Huiyu Huanglu. Hoʻomākaukau a me ka hoʻohana ʻana o L-Proline Modified Gold Nanochannels [J]. Nūpepa o Minjiang Unive…

 

Kūlana

ʻIkepili Manaʻo i hōʻoia ʻia

ʻO kēia huahana he L-2-amino -3(B-indole) propionic acid. E helu ʻia ma ke ʻano he hua maloʻo, ʻaʻole e emi ka ʻike o C11H12N202 ma lalo o 99.0%.

ʻano ʻano

ʻIkepili Manaʻo i hōʻoia ʻia
  • He keʻokeʻo kēia huahana i ke aniani melemele a i ʻole ka pauka crystalline; ʻAʻala ʻole.
  • Hiki ke hoʻoheheʻe ʻia kēia huahana i ka wai, hiki ke hoʻoheheʻe ʻia i ka ethanol, hiki ʻole ke hoʻoheheʻe ʻia i ka chloroform, hiki ke hoʻoheheʻe ʻia i ka waikawa formic; Hoʻoheheʻe ʻia i loko o ka solution test sodium hydroxide a i ʻole dilute hydrochloric acid.

hoʻololi kikoʻī

e lawe i kēia huahana, precision kaupaona, hoʻohui i ka wai e hoʻoheheʻe a me ka quantitatively dilute e hana i ka hopena i loaʻa ma kahi o 10mg no lml, a hoʻoholo e like me ke kānāwai (General rule 0621), ka hoʻololi kikoʻī -30.0 ° a -32.5 °.

Hoʻolauna

he isomer kūlohelohe o tryptophan

ʻIke ʻokoʻa

ʻIkepili Manaʻo i hōʻoia ʻia
  1. ua hoʻoheheʻe ʻia nā huina kūpono o ka huahana a me ka tryptophan reference product i loko o ka wai a hoʻoheheʻe ʻia e hoʻomākaukau i kahi hopena i loaʻa ma kahi o 10mg no 1 ml e like me ka hopena hoʻāʻo a me ka hopena kuhikuhi. E like me ka ho'āʻo kūlana chromatographic ma lalo o nā waikawa amino ʻē aʻe, ʻo ke kūlana a me ke kala o ka wahi nui o ka hoʻonā hoʻāʻo e like me ke ʻano o ka hopena kuhikuhi.
  2. Pono e kūlike ka spectrum absorption infrared o kēia huahana me ko ka mana (Spectrum set 946).
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