1H-2-Benzopyran-1,3(4H)-dione

BGC Id:	494904448020
CAS No:	703-59-3
Synonyms:	homophthalicanhydrideor ; 1,3-isochromanedione ; benzoglutaric anhydride ; 1,3-isochromandione ; isochroman-1,3-dione ; homophthalic acid anhydride ; homophtalic anhydride ; homophthalic anhydride ; 3,4-2h-isocoumarin-3-one ; 1h-isochromene-1,3(4h)-dione
Molecular Formula:	C9H6O3
Molecular Weight:	162.14
EINECS:	211-873-4

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Identify

Synonyms:

homophthalicanhydrideor ; 1,3-isochromanedione ; benzoglutaric anhydride ; 1,3-isochromandione ; isochroman-1,3-dione ; homophthalic acid anhydride ; homophtalic anhydride ; homophthalic anhydride ; 3,4-2h-isocoumarin-3-one ; 1h-isochromene-1,3(4h)-dione

CAS:

703-59-3

EINECS:

211-873-4

Molecular Formula:

C9H6O3

MDL:

Properties

Molecular Weight:

162.14 g·mol−1

Melting point:

140-142 °C(lit.)

Physical Description:

slightly yellow to beige or light green powder

Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37/38 (R)

Safety Codes:

26-36 (S)

WGK Germany:

Storage temperature:

Refrigerator (+4 °C)

What other providers are available for CAS 703-59-3?

In addition to the providers presented here for 1H-2-Benzopyran-1,3(4H)-dione with the CAS number 703-59-3, there are other 32 providers with slightly different product names available for this CAS number.

Isochroman-1,3-dione

+1 additional providers that we know from the past

Homophthalic anhydride

Hangzhou Trylead Chemical Technology Co., Ltd. | Dayang Chem (Hangzhou) Co.,Ltd. | Leap Chem Co., Ltd | Skyrun Industrial Co., Ltd. | BuGuCh & Partners +18 additional providers that we know from the past

Isochroman-1,3-quinone

+1 additional providers that we know from the past

2-Carboxyphenylacetic anhydride

BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +3 additional providers that we know from the past