CAS 957790-93-1Preliminary Safety ReferenceNot a supplier-issued SDSSupplier SDS by request

CAS 957790-93-1 Safety Reference and Supplier SDS Request

(11bR)-2,6-Bis[3,5-bis(1,1-dimethylethyl)-4-methoxyphenyl]-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin

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

957790-93-1

Chemical name

(11bR)-2,6-Bis[3,5-bis(1,1-dimethylethyl)-4-methoxyphenyl]-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin

Molecular formula

C50H57O6P

Molecular weight

784.96 g/mol

Synonyms

(11bS)-2,6-Bis[3,5-bis(1,1-dimethylethyl)-4-methoxyphenyl]-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin; (11bS)-2,6-Bis(3,5-di-tert-butyl-4-methoxyphenyl)-4-hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide; (11bR)-26-Bis[35-bis(11-dimethylethyl)-4-methoxyphenyl]-4-hydroxy-4-oxide-dinaphtho[21-d:1'2'-f][132]dioxaphosphepin; (11BR)-2,6-bis(3,5-di-tert-butyl-4-methoxyphenyl)-4-hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide

InChIKey

BRFHWVKCVFCDNX-UHFFFAOYSA-N

PubChem CID

56930870

Hazard / GHS Reference

Signal word

Warning

Catalog reference cue; confirm supplier documentation before use.

GHS Pictograms

GHS07 - Irritant / harmful

Catalog reference cue; confirm supplier documentation before use.

Hazard statements

H315

Catalog reference cue; confirm supplier documentation before use.

Handling & PPE

  • Avoid contact with skin and eyes.
  • Avoid dust and aerosol formation; provide suitable exhaust ventilation where dust may be generated.
  • Store tightly closed, dry, well ventilated, under inert atmosphere, at 2-8 °C when specified by supplier SDS.
  • Confirm supplier SDS before handling, storage, transport, or workplace use.
  • Wear chemical safety glasses with side shields or equivalent eye protection.
  • Wear suitable protective gloves and inspect gloves before use.
  • Wear protective clothing selected for the workplace hazard level.
  • Use appropriate respiratory protection if risk assessment or supplier SDS requires it.
  • Dispose of contents and containers through a licensed chemical waste contractor.

First Aid / Accidental Release

  • If inhaled, move the person to fresh air and obtain medical advice when symptoms occur.
  • For skin contact, wash with soap and plenty of water.
  • For eye contact, rinse cautiously with water for several minutes and obtain medical advice.
  • If swallowed, rinse mouth with water; do not give anything by mouth to an unconscious person.
  • Use personal protective equipment and ensure adequate ventilation during cleanup.
  • Avoid dust formation and avoid breathing vapors, mist, gas, or dust.
  • Prevent release to drains where supplier SDS indicates environmental precautions.
  • Collect material without creating dust and place it in a suitable closed container for disposal.
  • Dispose of contents and containers through a licensed chemical waste contractor.

Firefighting / Stability

  • Use extinguishing media appropriate to the surrounding fire and supplier SDS instructions.
  • Firefighters should wear self-contained breathing apparatus when necessary.
  • Hazardous decomposition product cues include carbon dioxide, carbon monoxide; confirm supplier SDS for complete details.
  • Stable under recommended storage conditions when the supplier SDS indicates stability.
  • Avoid incompatible materials and conditions listed in the supplier SDS.

Physical and Chemical Reference

Physical property reference values are not available in the current MolGraph catalog record.

Transport / Shipment Review

GHS Pictograms

GHS07 - Irritant / harmful

Preliminary catalog cue; verify before compliance decisions.

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.