7,8-Dihydroxy-4-methylcoumarin | CAS 2107-77-9

Element: methylcoumarin dihydroxy

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C-S » Chemicals » dihydroxy-methylcoumarin-PX45392

Identification

7,8-Dihydroxy-4-methylcoumarin

CAS:

2107-77-9

EINECS:

Molecular Formula:

C₁₀H₈ O₄

MDL:

MFCD00016972

SMILES:

CC1=CC(=O)OC2=C1C=CC(=C2O)O

Synonym:

2h-1-benzopyran-2-one,7,8-dihydroxy-4-methyl- ; methyldaphnetin, 4- ; 7,8-dihydroxy-4-methyl-coumari ; aids018195 ; 4-methyldaphenetin ; coumarin,7,8-dihydroxy-4-methyl- (7ci,8ci) ; 7,8-dihydroxy-4-methylcoumarin ; 4-methyl-7,8-dihydroxycoumarin ; nsc 45795 ; nsc45795 ; nsc 72276 ; 4-methyldaphnetin ; aids-018195 ; 4-methyldaphnetine

Description

Used as a fluorescent sensor to monitor the consumption of a boronic acid in a Suzuki cross-coupling reaction. Fluorescence is detectable to the naked eye using a standard hand-held long-wave UV lamp (365 nm).

Suppliers

Chengdu Pufeide Biotech. Co., Ltd

CPB19807920

Indofine Chemical Co, Inc.

D-121

Carbone Scientific Co., Ltd.

CS16805040

Santa Cruz Biotechnology, Inc.

252310

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CAS equal suppliers

2H-1-benzopyran-2-one, 7,8-dihydroxy-4-methyl-

Angene International Limited

AGN-PC-0LQB8U

Prices & Availability

Data is processed

Properties for 7,8-Dihydroxy-4-methylcoumarin

Molecular Weight:

192.17 g·mol−1

Density:

1.456 g/cm3

Melting point:

242-246 °C(lit.)

Boiling point:

421.5°C at 760 mmHg

Flash point:

176°C

Physical Description:

solid

Hazard Statements

GHS03
Harmful

Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, categories 2, 3
Eye irritation, category 2A
Skin sensitization, category 1
Specific target organ toxicity following single exposure, category 3
- Respiratory tract irritation
- Narcotic effects

Not used

with the "skull and crossbones" pictogram
for skin or eye irritation if:
the "corrosion" pictogram also appears
the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:

R36 - Irritating to eyes
R43 - May cause sensitisation by skin contact

Safety Codes:

S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37 - Wear suitable protective clothing and gloves

Hazard Symbols:

Storage temperature :

2-8 °C

Alternative Distributors of [7,8-Dihydroxy-4-methylcoumarin]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

ABCR GmbH & Co. KG | Suzhou Rovathin Pharmatech Co., Ltd | Shanghai Hanhong Chemical Co., Ltd. | Pfaltz & Bauer, Inc.