3H-2-benzopyran-3-one, 1,4-dihydro- | CAS 4385-35-7

Element: benzopyran dihydro

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C-S » Chemicals » benzopyran-one-dihydro-PX119926

Identification

3H-2-benzopyran-3-one, 1,4-dihydro-

CAS:

4385-35-7

EINECS:

224-493-9

Molecular Formula:

C₉H₈O₂

MDL:

MFCD00043005

SMILES:

O=C1OCc2c(C1)cccc2

Synonym:

1h-2-benzopyran-3(4h)-one ; 3h-2-benzopyran-3-one,1,4-dihydro- ; isochroman-3-one ; 3-isochromanone ; acetic acid, (a-hydroxy-o-tolyl)-, d-lactone (7ci) ; nsc 160530 ; 3-isochromanone 99+% ; 2-hydroxymethylphenylaceticacid lactone ; 3,6-dihydro-4,5-benzo-2-pyrone ; 3-lsochromanone ; benzeneacetic acid,2-(hydroxymethyl)-, d-lactone ; 3-harmoniaketone ; 3-isochromanone(8ci) ; 3-isochromanone 98% ; 3-isochromanone ,98.5% ; 1h-isochromen-3(4h)-one

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Prices & Availability

Data is processed

Properties for 3H-2-benzopyran-3-one, 1,4-dihydro-

Molecular Weight:

148.16 g·mol−1

Density:

1.196 g/cm3

Melting point:

80-82 °C(lit.)

Boiling point:

332.6 °C at 760 mmHg

Flash point:

137.7 °C

Physical Description:

lamellae

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:

R36/37/38 - Irritating to eyes, respiratory system and skin

Safety Codes:

S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S37/39 - Wear suitable gloves and eye/face protection

Hazard Symbols:

Alternative Distributors of [3H-2-benzopyran-3-one, 1,4-dihydro-]

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