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CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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2,2'-bis(trifluoromethyl)benzidine
CAS NO:341-58-2; MF:C
14
H
10
F
6
N
2
Purity: 99.9%Min.Appearance: Snow white powderMetal ions: 1ppm Max....
CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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4,4'-(Hexafluoroisopropylidene) diphthalic anhydride
CAS NO:1107-00-2; MF:C
55
H
86
N
17
O
25
S
4
Purity: 99.9%Min.Appearance: Snow white powderMetal ions: 1ppm Max....
CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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3,3',4,4'-Benzophenonetetracarboxylic dianhydride
CAS NO:2421-28-5; MF:C
17
H
6
O
7
Purity: 98%Min. / 99.5%Min.Appearance: Light yellow powder / White ...
CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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3,3',4,4'-Biphenyltetracarboxylic dianhydride
CAS NO:2420-87-3; MF:C
16
H
6
O
6
Purity: 99.5%Min./ 99.9%Min.Appearance: White powderMetal ions: 1pp...
CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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4,4'-Oxydiphthalic anhydride
CAS NO:1823-59-2; MF:C
16
H
6
O
7
Purity: 99.5%Min.Appearance: White powderMetal ions: 1ppm Max. for ...
CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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9,9-Bis(3-fluoro-4-aminophenyl)fluorene
CAS NO:127926-65-2; MF:C
25
H
18
F
2
N
2
Purity: 99.5%Min.Appearance: White powderMetal ions: 1ppm Max. for ...
CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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9,9-Bis(4-aminophenyl)fluorene
CAS NO:15499-84-0; MF:C
25
H
20
N
2
Purity: 99%Min.Appearance: White powderMetal ions: 1ppm Max. for on...
CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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2,3,3',4'-Biphenyltetracarboxylic dianhydride
CAS NO:36978-41-3; MF:C
16
H
6
O
6
Purity: 99.5%Min. Appearance: White powderMetal ions: 1ppm Max. for...
CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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2,3,3',4'-Diphenyl ether tetracarboxylic acid dianhydride
CAS NO:50662-95-8; MF:C
16
H
6
O
7
Purity: 99.5%Min. Appearance: White powderMetal ions: 1ppm Max. for...
CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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2,2'-Bis(trifluoromethyl)-4,4'-diaminodiphenyl ether
CAS NO:344-48-9; MF:C
14
H
10
F
6
N
2
O
Purity: 99.5%Min. Appearance: White powderMetal ions: 1ppm Max. for...
CHINATECH (TIANJIN) CHEMICAL Co.,Ltd.
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>>
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