1,5-dimethyl-4- (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) pyrazole CAS 1036991-40-8

Khoom Qhia:

Khoom npe: 1,5-dimethyl-4- (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) pyrazole CAS TSIS: 1036991-40-8

Txhais:

1,5-dimethyl-1H-pyrazole-4-boronic acid pinacol ester;

1,5-dimethyl-4-pyrazole boronic acid pinacol ester;

2- (1,5-dimethylpyrazol-4-yl) -4,4,5,5-tetramethyl-1,3,2-dioxaborolane;

Tshuaj& Cov Khoom Uas Lub Cev:

Zog: Dawb rau lub teeb daj hmoov kom siv lead ua lossis khoom

Ntsuas: ≥98.0%

Qhov ceev: 1.04 ± 0.1 g / cm3

Melting Point: 87 ℃

Lub Boiling Point: 322.3 ± 30.0 ℃

PKa: 2.66 ± 0.10

Vapor Siab: 0.0 ± 0.7 mmHg ntawm 25 ℃

Qhov ntsuas ntawm kwv yees: 1.504

Cov Ntaub Ntawv Kev Nyab Xeeb:

Kos Npe: Lo Lus Ceeb Toom

Txoj Cai Kev Nyab Xeeb: T

Cov Chav Kawm Muaj Siab: 6.1

RIDADR: 2811

Cov Nqe Lus Piav Qhia: R25

Nqe Lus Qhia Kev Nyab Xeeb: S45

WGK Lub Teb Chaws Yelemees: 3

Cov Pab Pawg: III

Cov Nqe Lus Ceeb Toom: H315, H319

Cov ntawv ceeb toom ua ntej:

P264,P280,P302+P352,P337+P313,P305+P351+P338,P362+P364,P332+P313

1,5-dimethyl-4-pyrazole boronic acid pinacol ester yog ib qho ntawm cov kua qaub boric.

Q: Yuav ua li cas koj ua peb txoj kev lag luam ntev thiab kev sib raug zoo?

A: 1. Peb ua kom zoo thiab sib tw nqi kom ntseeg tau tias peb cov neeg tau txais txiaj ntsig;

2. Peb hwm txhua tus qhua tuaj noj mov raws li peb tus phooj ywg thiab peb ua siab ntev ua lag luam thiab ua phooj ywg nrog lawv, txawm lawv tuaj qhov twg los xij.

Q: Peb tuaj yeem lav peb cov khoom zoo li cas?

A: Ua ntej txhua yam, peb qhov kev tswj hwm zoo yuav txo peb cov teeb meem zoo kom ze rau xoom. Peb tuaj yeem muab peb daim ntawv pov thawj ntawm kev tshuaj xyuas raws li txhua pob ntawm peb cov khoom. Peb tseem tuaj yeem muab kev tshuaj ntsuam xyuas thib peb vim yog peb cov neeg tau' qhov yuav tsum tau.

Yog tias muaj qhov teeb meem zoo tshwm sim los ntawm peb, peb yuav xa cov khoom seem dawb rau koj los hloov lossis rov qab koj cov khoom ploj.

Q: Puas muaj luv nqi?

A: Yog, peb muab cov nqi qis dua rau cov khoom loj. Yuav muaj nqi sib txawv nyob rau ntawm peb daim ntawv hais qhia yog li thov qhia rau peb ntau npaum li cas koj yuav tom qab.

Q: Koj puas tuaj yeem ua lub luag haujlwm rau kuv?

A: Tau kawg, Kuv' m zoo siab los pab koj! Tab sis kuv tsuas yog siv lub luag haujlwm rau kuv cov khoom.

Thov muab cov ntawv qhia sim.Yog tias nws yog peb qhov ua txhaum, tiag peb tuaj yeem them nyiaj rau koj, kuv tus phooj ywg!

Yog tias koj txaus siab rau peb cov khoom lossis muaj lus nug, thov koj xav tiv tauj peb!

Cov khoom lag luam hauv qab patent yog muab rau R& D lub hom phiaj nkaus xwb. Txawm li cas los xij, lub luag haujlwm kawg tau txiav txim siab nrog cov neeg yuav khoom.

Cim npe nrov: 1,5-dimethyl-4- (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) pyrazole cas 1036991-40-8, tuam ntxhab, lwm tus neeg, Hoobkas, yuav, hauv Tshuag

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