3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

C8H8O3

CAS26266-63-7

Danger

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Identification

CAS Number: 26266-63-7
EC Number: 247-570-9
UN Number: 2698
Index Number: 607-099-00-5
PubChem CID: 6810

Physical-chemical properties

Molecular Formula: C8H8O3
Molar Mass: 152.15 g/mol
IUPAC Name: 3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

Chemical Identifiers

InChI: InChI=1S/C8H8O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-2,5-6H,3-4H2
InChI Key: KMOUUZVZFBCRAM-UHFFFAOYSA-N

Overview

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione (CAS: 26266-63-7) is a chemical compound widely used in industry. The molecular formula is C8H8O3. The molar mass is 152.15 g/mol.

Safety & Classification

Danger

Classification:

Eye Dam. 1; Resp. Sens. 1; Skin Sens. 1; Aquatic Chronic 3

GHS Pictograms

Corrosion

GHS05

Corrosive. Causes severe skin burns and eye damage.

Health Hazard

GHS08

Serious health hazard. May cause cancer, organ damage, or genetic defects.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H318

Causes serious eye damage.

H334

May cause allergy or asthma symptoms or breathing difficulties if inhaled.

H317

May cause an allergic skin reaction.

H412

Harmful to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Harmful

Measures if vapours or dust are inhaled

First Aid Actions

+P304IF INHALED:
+P340Remove person to fresh air and keep comfortable for breathing.
+P311Call a POISON CENTER/doctor.

Related hazard statements:

H334

Skin Contact

Irritant

Measures if substance contacts the skin

First Aid Actions

+P302IF ON SKIN:
+P352Wash with plenty of water.
+P361Take off immediately all contaminated clothing.
+P313Get medical advice/attention.

Related hazard statements:

H317

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

+P305IF IN EYES:
+P351Rinse cautiously with water for several minutes.
+P338Remove contact lenses, if present and easy to do. Continue rinsing.
+P313Get medical advice/attention.

Related hazard statements:

H318

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number	2698
ADR Class	8
Packing Group	III
Tunnel Code	E
Proper Shipping Name	Tetrahydrophthalsäureanhydride, Maleinsäureanhydrid > 0,05 %, fest
Marine Pollutant	No

Frequently Asked Questions

What is 3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione?

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione (CAS 26266-63-7) is a chemical substance with the formula C8H8O3 used in various industrial applications.

What are the properties of 3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione?

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione has a molar mass of 152.15 g/mol. It is classified as Eye Dam. 1; Resp. Sens. 1; Skin Sens. 1; Aquatic Chronic 3. See the technical data above for more details.

How to store 3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione safely?

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is 3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione dangerous?

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione carries the signal word "Danger". 2 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy 3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione?

You can order 3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione (CAS 26266-63-7) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.