trans-3,4-Difluorocinnamic acid

Modify Date: 2024-01-02 11:04:54

trans-3,4-Difluorocinnamic acid Structure
trans-3,4-Difluorocinnamic acid structure
Common Name trans-3,4-Difluorocinnamic acid
CAS Number 112897-97-9 Molecular Weight 184.139
Density 1.4±0.1 g/cm3 Boiling Point 281.3±25.0 °C at 760 mmHg
Molecular Formula C9H6F2O2 Melting Point 194-196 °C(lit.)
MSDS Chinese USA Flash Point 124.0±23.2 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name trans-3,4-Difluorocinnamic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 281.3±25.0 °C at 760 mmHg
Melting Point 194-196 °C(lit.)
Molecular Formula C9H6F2O2
Molecular Weight 184.139
Flash Point 124.0±23.2 °C
Exact Mass 184.033585
PSA 37.30000
LogP 2.45
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.569

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36-S37/39
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2916399090

 Synthetic Route

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trans-3,4-Difluorocinnamic acid Structure

trans-3,4-Diflu...

CAS#:112897-97-9

Literature: US2003/148888 A1, ;

~79%

trans-3,4-Difluorocinnamic acid Structure

trans-3,4-Diflu...

CAS#:112897-97-9

Literature: Aizikovich; Korotaev Russian Journal of Organic Chemistry, 1997 , vol. 33, # 4 p. 563 - 564

~71%

trans-3,4-Difluorocinnamic acid Structure

trans-3,4-Diflu...

CAS#:112897-97-9

Literature: Chen, Ximin; Shen, Yuehai; Wen, Jianxun Molecular Crystals and Liquid Crystals, 2010 , vol. 528, p. 138 - 146

~%

trans-3,4-Difluorocinnamic acid Structure

trans-3,4-Diflu...

CAS#:112897-97-9

Literature: Molecular Crystals and Liquid Crystals, , vol. 528, p. 138 - 146

 Customs

HS Code 2916399090
Summary 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Articles1

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Room temperature copper(II)-catalyzed oxidative cyclization of enamides to 2,5-disubstituted oxazoles via vinylic C-H functionalization.

J. Org. Chem. 77(17) , 7526-37, (2012)

A copper(II)-catalyzed oxidative cyclization of enamides to oxazoles via vinylic C-H bond functionalization at room temperature is described. Various 2,5-disubstituted oxazoles bearing aryl, vinyl, al...

 Synonyms

(2E)-3-(3,4-Difluorophenyl)-2-propenoic acid
trans-3,4-Difluorocinnamicacid
RARECHEM BK HW 0122
2-Propenoic acid, 3-(3,4-difluorophenyl)-, (2E)-
trans-3,4-Difluorociamic acid
trans-3-(3,4-Difluorophenyl)acrylic Acid
(E)-3-(3,4-Difluorophenyl)acrylic acid
(2E)-3-(3,4-Difluorophenyl)acrylic acid
QV1U1R CF DF &&trans or E Form
3,4-DIFLUOROCINNAMIC ACID
MFCD00010320