CAS 4741-58-6 SDS Request & Safety Reference

Preliminary reference disclaimer

This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.

Documentation status

Preliminary safety reference

Available

Supplier-issued SDS

Available by request

COA

Available by RFQ / lot confirmation

Transport classification

Requires shipment review

Identity

CAS Number

4741-58-6

Chemical name

4,5-Dimethoxy-2-benzofuran-1(3H)-one

Molecular formula

C10H10O4

Molecular weight

194.18 g/mol

Synonyms

4,5-Dimethoxyisobenzofuran-1(3H)-one; 4,5-dimethoxyphthalide; 4,5-dimethoxy-1,3-dihydro-2-benzofuran-1-one; 4,5-di-methoxyphthalide; 4,5-dimethoxy-3H-isobenzofuran-1-one

InChIKey

ZXIMTZPOPPEWHU-UHFFFAOYSA-N

PubChem CID

12637623

Hazard / GHS Reference

Signal word

Warning

Catalog reference cue; confirm supplier documentation before use.

Hazard statements

H302, H315, H319, H335

Catalog reference cue; confirm supplier documentation before use.

Handling & PPE

Including any incompatibility. Close tightly. Dry. Store in a well-ventilated area. Recommended storage conditions: sealed, dry, room temperature
If exposed to a harmful environment, use a P95 (US) or P1 (EU UK 143) particulate respirator. For higher level of protection, use an OV/AG/P99 (US) or ABEK-P2 (EU UK 143) gas filter. Respirators must be tested and approved by government standards such as NIOSH (US) or CEN (EU).
The product, remaining and non-recyclable solutions should be handed over to a licensed company for disposal. Contact a professional institution with a waste disposal license to handle this substance. Dissolve or mix with flammable solvents and burn in a chemical incinerator with post-combustion and washing functions. Contaminated packaging. Dispose of as unutilized product.

First Aid / Accidental Release

Do not give anything to an unconscious person. Rinse mouth with water. Consult a physician.
If inhaled, move the person to fresh air. If breathing stops, perform artificial respiration. Consult a physician.
Rinse with plenty of water for at least 15 minutes and consult a physician.
Wash with soap and plenty of water. Consult a physician.
Do not generate dust when collecting and disposing. Sweep and shovel up. Place in a suitable closed container for disposal.
Do not allow the product to enter drains.
The product, remaining and non-recyclable solutions should be handed over to a licensed company for disposal. Contact a professional institution with a waste disposal license to handle this substance. Dissolve or mix with flammable solvents and burn in a chemical incinerator with post-combustion and washing functions. Contaminated packaging. Dispose of as unutilized product.

Firefighting / Stability

If necessary, wear a self-contained breathing apparatus for firefighting.
Reactivity and reaction

Physical and Chemical Reference

XLogP

1.3

Catalog reference value; verify against supplier SDS before use.

Transport / Shipment Review

Shipment review

Shipment details require review before fulfillment.

Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.

Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.

Identity

CAS Number

4741-58-6

Chemical name

4,5-Dimethoxy-2-benzofuran-1(3H)-one

Molecular formula

C10H10O4

Molecular weight

194.18 g/mol

Synonyms

4,5-Dimethoxyisobenzofuran-1(3H)-one; 4,5-dimethoxyphthalide; 4,5-dimethoxy-1,3-dihydro-2-benzofuran-1-one; 4,5-di-methoxyphthalide; 4,5-dimethoxy-3H-isobenzofuran-1-one

InChIKey

ZXIMTZPOPPEWHU-UHFFFAOYSA-N

PubChem CID

12637623

Handling & PPE

Including any incompatibility. Close tightly. Dry. Store in a well-ventilated area. Recommended storage conditions: sealed, dry, room temperature
If exposed to a harmful environment, use a P95 (US) or P1 (EU UK 143) particulate respirator. For higher level of protection, use an OV/AG/P99 (US) or ABEK-P2 (EU UK 143) gas filter. Respirators must be tested and approved by government standards such as NIOSH (US) or CEN (EU).
The product, remaining and non-recyclable solutions should be handed over to a licensed company for disposal. Contact a professional institution with a waste disposal license to handle this substance. Dissolve or mix with flammable solvents and burn in a chemical incinerator with post-combustion and washing functions. Contaminated packaging. Dispose of as unutilized product.

First Aid / Accidental Release

Do not give anything to an unconscious person. Rinse mouth with water. Consult a physician.
If inhaled, move the person to fresh air. If breathing stops, perform artificial respiration. Consult a physician.
Rinse with plenty of water for at least 15 minutes and consult a physician.
Wash with soap and plenty of water. Consult a physician.
Do not generate dust when collecting and disposing. Sweep and shovel up. Place in a suitable closed container for disposal.
Do not allow the product to enter drains.
The product, remaining and non-recyclable solutions should be handed over to a licensed company for disposal. Contact a professional institution with a waste disposal license to handle this substance. Dissolve or mix with flammable solvents and burn in a chemical incinerator with post-combustion and washing functions. Contaminated packaging. Dispose of as unutilized product.

CAS 4741-58-6 Safety Reference and Supplier SDS Request

Documentation status

Identity

Hazard / GHS Reference

Handling & PPE

First Aid / Accidental Release

Firefighting / Stability

Physical and Chemical Reference

Transport / Shipment Review

CAS 4741-58-6 Safety Reference and Supplier SDS Request

Documentation status

Identity

Hazard / GHS Reference

Handling & PPE

First Aid / Accidental Release

Firefighting / Stability

Physical and Chemical Reference

Transport / Shipment Review