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o-Dianisidine Dihydrochloride [for Biochemical Research]
(CAS RN:20325-40-0 Product Number:D3893)


o-Dianisidine Dihydrochloride
Synonym 4,4'-Diamino-3,3'-dimethoxybiphenyl Dihydrochloride
Synonym 3,3'-Dimethoxybenzidine Dihydrochloride
Synonym Fast Blue B·2HCl

General Information

Product Number D3893

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Purity/Analysis Method >98.0%(HPLC)
Storage Temperature
M.F. / M.W. C14H16N2O2·2HCl=317.21
CAS RN 20325-40-0
Related CAS RN
MDL Number MFCD00012488
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(HPLC) min. 98.0 area%
Purity(with Total Nitrogen) min. 95.0 %
Peroxidase detection test to pass test

Data of Reference

mp 269°C(dec.)(lit.)


Beilstein 13(4)2834
Reaxys-RN 3917996
PubChem SID 87561448
RTECS# DD1050000
EC Number 243-737-5


Signal Word Warning
Hazard Statements
  • H302
  • :Harmful if swallowed.
  • H341
  • :Suspected of causing genetic defects.
  • H351
  • :Suspected of causing cancer.
  • H373
  • :May cause damage to Kidney through prolonged or repeated exposure.
Precautionary Statements
  • P201
  • :Obtain special instructions before use.
  • P260
  • :Do not breathe dust, fume, mist, vapours or spray.
  • P264
  • :Wash hands and face thoroughly after handling.
  • P270
  • :Do not eat, drink or smoke when using this product.
  • P280
  • :Wear protective gloves, protective clothing, face protection.
  • P308+P313
  • :IF exposed or concerned: Get medical advice or attention.

Transport Information

HS Number 2922290090


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