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L-Hydroxyproline (CAS # 51-35-4) Featured duab
  • L-Hydroxyproline (CAS # 51-35-4) 1

L-Hydroxyproline CAS # 51-35-4

Chemical Property:

Molecular Formula C5H9 NPO 3
Molar Mass 131.13 Nws
Qhov ntom 1.3121 (kev kwv yees kwv yees)
Melting Point 273°C (Lub Kaum Ob Hlis) (lit.)
Boling Point 242.42°C (kev kwv yees kwv yees)
Kev sib hloov tshwj xeeb (α) -75.5 º (c = 5, H2O)
Dej Solubility 357.8 g / L (20 ºC)
Solubility H2O: 50 mg/ml
Vapor Density 4.5 (vs huab cua)
Qhov tshwm sim Crystalline hmoov los yog Crystalline hmoov
Xim Dawb
tsw Tsis hnov ​​tsw
Merck 14.4840 Nws
BRN 4 71933
pKa 1.82, 9.66 (ntawm 25 ℃)
PH 5.5-6.5 (50g / l, H2O, 20 ℃)
Kev cia khoom Khaws hauv qab +30 ° C.
Refractive Index -75.5 ° C = 4, H2O
MDL PAB 00064320
Physical thiab Chemical Properties Dawb flaky crystal lossis crystalline hmoov. Qhov tshwj xeeb qab zib saj hauv qhov iab saj tuaj yeem txhim kho qhov saj ntawm qhov tsw ntawm cov kua txiv hmab txiv ntoo, cov dej qab zib txias thiab lwm yam. Tshwj xeeb tsw, tuaj yeem siv los ua cov khoom siv raw. Melting Point 274 ° C (decomposition). Soluble hauv dej (25 ° C, 36.1%), me ntsis soluble hauv ethanol.
Siv Flavor enhancer; Khoom noj khoom haus enhancer. Nplaim. Feem ntau yog siv rau cov kua txiv hmab txiv ntoo, dej txias, dej haus, thiab lwm yam; Siv ua Biochemical reagent

Product Detail

Khoom cim npe

Risk Codes R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R22 - Ua phem yog tias nqos
Kev nyab xeeb piav qhia S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
S27 - Tshem tawm tag nrho cov khaub ncaws tsis huv tam sim ntawd.
S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
WGK Germany 3
RTECS TW3586500
TSCA Yog lawm
HS Code 293399 0
Hazard Class IRRITANT

 

Taw qhia

L-hydroxyproline (L-Hydroxyproline) yog ib qho tsis muaj protein ntau amino acid tsim los ntawm hydroxylation tom qab hloov dua siab tshiab. Nws yog ib feem ntawm cov tsiaj cov qauv proteins (xws li collagen thiab elastin). L-Hydroxyproline yog ib qho ntawm cov isomers ntawm hydroxyproline (Hyp) thiab yog ib qho tseem ceeb chiral structural unit hauv kev tsim cov tshuaj ntau.

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