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Calmagite [Metal indicator for Ca, Mg etc.]
(CAS RN:3147-14-6 Product Number:C0008)


Synonym 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic Acid

General Information

Product Number C0008

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Purity/Analysis Method
Storage Temperature
M.F. / M.W. C17H14N2O5S=358.37
CAS RN 3147-14-6
Related CAS RN
MDL Number MFCD00011656
Packaging and Container
  • Product Details
  • Safety & Regulations


Sensitiveness Turn Red with Calcium carbonate and turn Blue by adding EDTA 2Na

Data of Reference

mp 330°C(lit.)


Reaxys-RN 708596
PubChem SID 87565219
Merck Index(14) 1718
EC Number 221-563-0


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 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.

Transport Information

HS Number 2927000090


PubMed Literature

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