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(CAS RN:4702-34-5 Product Number:I0953)


Synonym 3,4-Dihydro-1H-2-benzopyran-1-one

General Information

Product Number I0953

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Purity/Analysis Method >98.0%(GC)
Storage Temperature
M.F. / M.W. C9H8O2=148.16
CAS RN 4702-34-5
Related CAS RN
MDL Number MFCD00799232
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(GC) min. 98.0 %
Specific gravity (20/20) 1.2050 to 1.2090
Refractive index n20/D 1.5640 to 1.5680

Data of Reference

bp 160°C/11mmHg(lit.)


Reaxys-RN 124656
PubChem SID 253662558


Signal Word Warning
Hazard Statements
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P280
  • :Wear protective gloves, eye protection.
  • P302+P352+P332+P313+P362+P364
  • :If on skin: Wash with plenty of soap and water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.


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