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368512

Sigma-Aldrich

7-Hydroxy-4-(trifluoromethyl)coumarin

98%

Synonym(s):

4-(Trifluoromethyl)umbelliferone

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About This Item

Empirical Formula (Hill Notation):
C10H5F3O3
CAS Number:
575-03-1
Molecular Weight:
230.14
Beilstein:
210932
MDL number:
MFCD00037578
UNSPSC Code:
12352103
PubChem Substance ID:
24862915
NACRES:
NA.23

Assay

98%

form

solid

pKa 

7.26

mp

178-180 °C (lit.)

fluorescence

λex 385 nm; λem 502 nm in methanol

SMILES string

Oc1ccc2c(OC(=O)C=C2C(F)(F)F)c1

InChI

1S/C10H5F3O3/c11-10(12,13)7-4-9(15)16-8-3-5(14)1-2-6(7)8/h1-4,14H

InChI key

CCKWMCUOHJAVOL-UHFFFAOYSA-N

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General description

7-Hydroxy-4-(trifluoromethyl)coumarin is a class of 7-hydroxycoumarin that is majorly used as laser dyes. It has a characterized emission spectra and may be used in excited state proton transfer (ESPT).

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H300,H315,H319,H335

Hazard Classifications

Acute Tox. 2 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ0127
MKCN6054
MKCM3164
MKCC3332
MKBX9560V

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