Shanghai Nianxing Industrial Co., Ltd
China
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99770-93-1

99770-93-1 structure

99770-93-1 structure

Name: 1,4-Benzenediboronic Acid Bis(pinacol) Ester
Chemical Name: 4,4,5,5-tetramethyl-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane
CAS Number: 99770-93-1
Molecular Formula: C₁₈H₂₈B₂O₄
Molecular Weight: 330.034
Create Date: 2018-12-04 19:08:29
Modify Date: 2026-07-09 17:39:57

Name	4,4,5,5-tetramethyl-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1,3,2-dioxaborolane
Synonyms	1,4-Benzenediboronic Acid Bis(pinacol) Ester1,4-Benzenediboronic Acid Bis(Pinacol) Ester 1,4-Phenylenediboronic acid, bis(pinacol) ester 1,4-Phenylenediboronic acid, pinacol diester 1,4-Phenylenediboronic acid, pinacol di 1,4-Phenylenediboronic acid, pinacol ester 2,2'-(1,4-Phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) AMTB185 1,4-Benzenediboronic acid bis(pinacol) ester 1 4-BENZENEDIBORONIC ACID DIPINACOL EST% Benzene-1,4-diboronic acid, pinacol diester 2,2'-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) cyclic bis(tetramethylethylene) ester p-Benzenediboronic acid 1,3,2-Dioxaborolane, 2,2'-(1,4-phenylene)bis[4,4,5,5-tetramethyl 1,4-BenzenediboronicAcidBis(pinacol)Ester> 4,4,5,5-Tetramethyl-2-[4-(tetramethyl-1,3,2-dioxa-borolan-2-yl)phenyl]-1,3,2-dioxaborolane 1 4-BENZENEDIBORONIC ACID DIPICOL EST% 1,4-Phenyldiboronic acid pinacol ester 1,4-Benzenediboronic acid dipinacol ester 1,4-Phenylenebis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) M7120 1,4-Benzenediboronic acid dipinacol ester, 1,4-Bis(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzene 2,2'-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaboro 1,4-phenyldiboronic acid, bis(pinacol) ester 1,4-Benzenediboronic acid dipinac benzene-1,4-diboronic acid bispinacol ester 1,4-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)

Density	1.0±0.1 g/cm3
Boiling Point	416.3±28.0 °C at 760 mmHg
Melting Point	241-245ºC
Molecular Formula	C₁₈H₂₈B₂O₄
Molecular Weight	330.034
Flash Point	205.6±24.0 °C
Exact Mass	330.217377
PSA	36.92000
LogP	2.28500
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.490

Hazard Codes	Xi: Irritant;
HS Code	2934999090

Precursor 10
76-09-5 4612-26-4 106-37-6 61676-62-8
624-38-4 73183-34-3 589-87-7 25015-63-8
71-43-2 106-50-3
DownStream 5
92-94-4 3282-11-9 365564-05-2 53092-64-1
64065-97-0

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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