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Tom ntej: FMOC-L-Aspartic acid beta-tert-butyl ester (CAS # 71989-14-5)

Chemical Property:

Molecular Formula C23H25NO6
Molar Mass 411.45 Nws
Qhov ntom 1.2498 (zeeg)
Melting Point 148-150 ° C (Lub Kaum Ob Hlis)
Boling Point 530.45 ° C (kwv yees kwv yees)
Kev sib hloov tshwj xeeb (α) -25 ºC (c = 1, DMF 24 ºC)
Flash Point 329.3°C dej
Dej Solubility Me ntsis soluble hauv dej.
Vapor Siab 2.83E-16mmHg ntawm 25 ° C
Qhov tshwm sim Crystalline hmoov
Xim Dawb mus Yuav luag dawb
BRN 3635671 ib
pKa 3.57 ± 0.23 (Tshaj tawm)
Kev cia khoom 2-8 ° C
Refractive Index -25 ° (C = 1, DMF)
MDL TIAB SA 00037131

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-xaj
Risk Codes 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij.
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
HS Code 29242990 ib
Hazard Class IRRITANT

 

 


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