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Bis(4-fluorophenyl)-methanone

Product Name
Bis(4-fluorophenyl)-methanone
CAS No.
345-92-6
Chemical Name
Bis(4-fluorophenyl)-methanone
Synonyms
4,4-DIFLUOROBENZOPHENONE;BDF;Difluorobenzophenone;Bis(4-fluorophenyl)-;4,4' -difluorophenone;p-Fluorophenyl ketone;-Difluorobenzophenone;LABOTEST-BB LT00159767;di-p-fluorophenylketone;Flunarizine Impurity 10
CBNumber
CB3179589
Molecular Formula
C13H8F2O
Formula Weight
218.2
MOL File
345-92-6.mol
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Bis(4-fluorophenyl)-methanone Property

Melting point:
102-105 °C (lit.)
Boiling point:
137°C (3 torr)
Density 
1.2543 (estimate)
vapor pressure 
0.005Pa at 20℃
Flash point:
170-172°C/10mm
storage temp. 
Sealed in dry,Room Temperature
solubility 
Insoluble in water
form 
Crystalline Powder
color 
White to slightly yellow
Water Solubility 
8.757mg/L at 20℃
BRN 
516231
InChIKey
LSQARZALBDFYQZ-UHFFFAOYSA-N
LogP
3.37 at 20℃
CAS DataBase Reference
345-92-6(CAS DataBase Reference)
NIST Chemistry Reference
4,4'-Difluorobenzophenone(345-92-6)
EPA Substance Registry System
4,4'-Difluorobenzophenone (345-92-6)
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Safety

Hazard Codes 
Xi,N,Xn
Risk Statements 
36/37/38-51/53-22
Safety Statements 
26-37/39-36-61
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
3
RTECS 
DJ0685000
HazardClass 
IRRITANT
HS Code 
29143990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
115495
Product name
4,4′-Difluorobenzophenone
Purity
99%
Packaging
25g
Price
$109
Updated
2025/07/31
Sigma-Aldrich
Product number
PHR2117
Product name
4,4′-Difluorobenzophenone
Purity
Pharmaceutical Secondary Standard; Certified Reference Material
Packaging
200mg
Price
$145.35
Updated
2025/07/31
TCI Chemical
Product number
D1797
Product name
4,4'-Difluorobenzophenone
Purity
>99.0%(GC)
Packaging
25g
Price
$31
Updated
2025/07/31
TCI Chemical
Product number
D1797
Product name
4,4'-Difluorobenzophenone
Purity
>99.0%(GC)
Packaging
100g
Price
$63
Updated
2025/07/31
Sigma-Aldrich
Product number
115495
Product name
4,4′-Difluorobenzophenone
Purity
99%
Packaging
100g
Price
$230
Updated
2025/07/31
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Bis(4-fluorophenyl)-methanone Chemical Properties,Usage,Production

Chemical Properties

white to slightly yellow crystalline powder

Uses

4,4′-Difluorobenzophenone has been used in the study of thermal stability, water uptake and proton conductivity of carboxylated, carboxylated/sulfonated, and crosslinked membranes.

Synthesis Reference(s)

Journal of the American Chemical Society, 90, p. 540, 1968 DOI: 10.1021/ja01004a087

General Description

4,4′-Difluorobenzophenone is typically used as a starting material for the preparation of polyetheretherketone (PEEK) polymer, a high-temperature thermoplastic, which finds wide use in dentistry as well as in automotive, oil industries, etc.

Bis(4-fluorophenyl)-methanone Preparation Products And Raw materials

Raw materials

Preparation Products

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Bis(4-fluorophenyl)-methanone Suppliers

SINO HIGH(CHINA)CO.,LTD.
Tel
13914336446 15151073745
Email
chang@sinohighchem.com
Country
China
ProdList
40
Advantage
58
Shijiazhuang Jianxin Biotechnology Co., LTD
Tel
0311-1906231-3169 19062313169
Email
19062313169@163.com
Country
China
ProdList
374
Advantage
58
ShangHai Siyan Biological Technology Co., Ltd.
Tel
021-50908862,442785678,326799392 18721037013
Fax
021-50908862
Email
siyansales@126.com
Country
China
ProdList
9627
Advantage
58
East Star Biotech (Suzhou) Co., Ltd.
Tel
0512-62620298 17520198886
Email
18636423@qq.com
Country
China
ProdList
29
Advantage
58
Weifang QianJin Fine Chemical Co., Ltd.
Tel
18753684562
Fax
0536-8897109
Email
1577399715@qq.COM
Country
China
ProdList
1735
Advantage
55
Hubei long Kang Sheng Fine Chemical Co., Ltd.
Tel
027-027-83850368 18140587623
Email
3052398675@qq.com
Country
China
ProdList
993
Advantage
58
Changzhou Xuanming Pharmaceutical Technology Co., Ltd.
Tel
0519-05198552532 15995069468
Fax
0519-85190960
Email
29526743@qq.com
Country
China
ProdList
300
Advantage
58
Changzhou Zeyuan Pharmaceutical Technology Co., Ltd
Tel
19026388314
Email
2589694173@qq.com
Country
China
ProdList
197
Advantage
58
J & K SCIENTIFIC LTD.
Tel
18210857532; 18210857532
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Changzhou Sunlight Pharmaceutical Co., Ltd
Tel
519-83131668 15995063688
Fax
+86-519-83138041
Email
info@sunlightchem.com
Country
China
ProdList
99
Advantage
69
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View Lastest Price from Bis(4-fluorophenyl)-methanone manufacturers

Hebei Chuanghai Biotechnology Co,.LTD
Product
4, 4′-Difluorobenzophenone 345-92-6
Price
US $10.00/KG
Min. Order
1KG
Purity
99.8%
Supply Ability
100tons
Release date
2025-06-27
WUHAN FORTUNA CHEMICAL CO., LTD
Product
Bis(4-fluorophenyl)-methanone 345-92-6
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-02-25
RongNa Biotechnology Co.,Ltd
Product
4,4′-difluorobenzophenone 345-92-6
Price
US $10.00/ASSAYS
Min. Order
1ASSAYS
Purity
99%
Supply Ability
10 ton
Release date
2024-03-26

345-92-6, Bis(4-fluorophenyl)-methanoneRelated Search:


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