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CAS 329716-18-9Not a supplier-issued SDS

Preliminary Safety Reference

2-amino-4-(2,3-dichlorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile

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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.

Identity

CAS Number

329716-18-9

Chemical name

2-amino-4-(2,3-dichlorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile

Molecular formula

C16H10Cl2N2O3

Molecular weight

349.2 g/mol

Synonyms

2-amino-4-(2,3-dichlorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[3,2-c]pyran-3-carbonitrile; Oprea1_394469; Oprea1_610706; AG-205/37022025; 2-amino-4-(2,3-dichlorophenyl)-7-methyl-5-oxo-4H-pyrano[3,2-c]pyran-3-carbonit rile; 2-amino-4-(2,3-dichlorophenyl)-7-methyl-5-oxo-4,5-dihydropyrano[4,3-b]pyran-3-carbonitrile

InChIKey

AQJQVFINWMIQMX-UHFFFAOYSA-N

PubChem CID

2828681

Hazard / GHS Reference

GHS Pictograms

GHS07

Catalog reference cue; confirm supplier documentation before use.

Handling & PPE

  • Handle in a well-ventilated area or under a fume hood.
  • Avoid contact with skin, eyes, and clothing.
  • Avoid formation of dust and aerosols.
  • Store in a cool, dry place, away from incompatible materials.
  • Keep container tightly closed.
  • Wear a lab coat or protective clothing.
  • Use compatible chemical-resistant gloves.
  • Wear eye protection such as safety goggles or a face shield.
  • Ensure adequate ventilation or use respiratory protection if dust/aerosols are generated.

First Aid / Accidental Release

  • If in eyes, rinse cautiously with water for several minutes.
  • If on skin, wash with plenty of soap and water.
  • If swallowed, rinse mouth. Do NOT induce vomiting.
  • If inhaled, remove person to fresh air and keep comfortable for breathing.
  • Seek medical attention if irritation persists or symptoms develop.
  • Evacuate personnel to safe areas.
  • Avoid dust formation and breathing vapors, mist, or gas.
  • Wear appropriate personal protective equipment.
  • Sweep up and shovel into suitable disposal containers.

Firefighting / Stability

  • Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide.
  • Wear self-contained breathing apparatus for firefighting if necessary.
  • Keep containers cool with water spray.
  • Prevent runoff from fire control from entering waterways.
  • Stable under recommended storage conditions.
  • Avoid strong oxidizing agents.
  • May react with strong acids and bases.
  • Hazardous decomposition products may include carbon oxides, nitrogen oxides, and hydrogen chloride.

Physical and Chemical Reference

Appearance

White to off-white crystalline powder

Catalog reference value; verify against supplier SDS before use.

Physical State

Solid

Catalog reference value; verify against supplier SDS before use.

Melting Point

220.0 °C

Catalog reference value; verify against supplier SDS before use.

Boiling Point

500.0 °C

Catalog reference value; verify against supplier SDS before use.

Density

1.45 g/cm³

Catalog reference value; verify against supplier SDS before use.

Water Solubility

Slightly soluble to insoluble

Catalog reference value; verify against supplier SDS before use.

Flash Point

280.0 °C

Catalog reference value; verify against supplier SDS before use.

Vapor Pressure

Estimated very low; unit not specified

Catalog reference value; verify against supplier SDS before use.

Autoignition Temp

400.0 °C

Catalog reference value; verify against supplier SDS before use.

Transport / Shipment Review

HS6

293499

Preliminary catalog cue; verify before compliance decisions.

HS Code

293499

Source: catalog inference.

GHS Pictograms

GHS07

Preliminary catalog cue; verify before compliance decisions.

Compliance

standard-ruo

Preliminary catalog cue; verify before compliance decisions.

Registration Status

DSL: pending; AICS: pending; ENCS: pending; ICSR: pending; TSCA: pending; IECSC: pending; INSQR: pending; REACH: pending; K-REACH: pending; SEA_Regulatory: pending

Registration values are catalog reference status cues and may require jurisdiction-specific review.

Shipment review

Shipment details require review before fulfillment.

Preliminary catalog cue; verify before compliance decisions.

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