CAS 652-40-4|3,6-Difluorophthalic anhydride

Introduction：Basic information about CAS 652-40-4|3,6-Difluorophthalic anhydride, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Synonyms

Common Name	3,6-Difluorophthalic anhydride
CAS Number	652-40-4	Molecular Weight	184.096
Density	1.7±0.1 g/cm3	Boiling Point	315.7±32.0 °C at 760 mmHg
Molecular Formula	C₈H₂F₂O₃	Melting Point	218-221 °C(lit.)
MSDS	ChineseUSA	Flash Point	140.1±20.0 °C
Symbol	GHS07	Signal Word	Warning

Names

Name	3,6-Difluorophthalic Anhydride
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.7±0.1 g/cm3
Boiling Point	315.7±32.0 °C at 760 mmHg
Melting Point	218-221 °C(lit.)
Molecular Formula	C₈H₂F₂O₃
Molecular Weight	184.096
Flash Point	140.1±20.0 °C
Exact Mass	183.997192
PSA	43.37000
LogP	1.77
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.556
InChIKey	AVLRPSLTCCWJKC-UHFFFAOYSA-N
SMILES	O=C1OC(=O)c2c(F)ccc(F)c21

Safety Information

Symbol	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-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3

Synonyms

3,6-Difluoro-1,2-benzenedicarboxylic acid anhydride

4,7-Difluoro-2-benzofuran-1,3-dione

4,7-Difluoro-isobenzofuran-1,3-dione

MFCD00134537

3,6-Difluorophthalic anhydride

4,7-Difluoro-1,3-isobenzofurandione

T56 BVOVJ FF IF

1,3-Isobenzofurandione, 4,7-difluoro-

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