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Permanent Orange
(CAS RN:3468-63-1 Product Number:P0587)


Permanent Orange
Synonym 1-(2,4-Dinitrophenylazo)-2-naphthol
Synonym Pigment Orange 5

General Information

Product Number P0587

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Purity/Analysis Method >90.0%(E)
Storage Temperature
M.F. / M.W. C16H10N4O5=338.28
CAS RN 3468-63-1
Related CAS RN
MDL Number MFCD00059524
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(UV method) min. 90.0 %
Lambda max. 478.0 to 482.0 nm(CHCl3)
Drying loss max. 5.0 %

Data of Reference

mp 306°C(lit.)


Colour Index 12075
Reaxys-RN 964718
PubChem SID 87574755
RTECS# QL3854000
EC Number 222-429-4


Signal Word Warning
Hazard Statements
  • H317
  • :May cause an allergic skin reaction.
  • H341
  • :Suspected of causing genetic defects.
Precautionary Statements
  • P201
  • :Obtain special instructions before use.
  • P261
  • :Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P280
  • :Wear protective gloves, protective clothing, face protection.
  • P302+P352+P333+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of soap and water. If skin irritation or rash occurs: Take off contaminated clothing. And wash it before reuse.
  • P308+P313
  • :IF exposed or concerned: Get medical advice or attention.
  • P405
  • :Store locked up.

Transport Information

HS Number 3204170090


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