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CAS RN: 3734-67-6 | Product Number: A0585

Acid Red 1

  • Amidonaphthol Red
  • Azophloxine
  • Pontacyl Carmine
  • Red 2G
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Product Number A0585
Molecular Formula / Molecular Weight C__1__8H__1__3N__3Na__2O__8S__2 = 509.41  
Physical State (20 deg.C) Solid
CAS RN 3734-67-6
Reaxys Registry Number 8963064
PubChem Substance ID 87562169
Colour Index 18050
MDL Number


Appearance Red to Dark red to Brown powder to crystal
Lambda max. 503.0 to 507.0 nm(H2O)
Lambda max.2 530.0 to 534.0 nm(H2O)
Absorbance(E1%1cm) min. 250(H2O, 503.0 to 507.0 nm)
Absorbance(E1%1cm)2 min. 250(H2O, 530.0 to 534.0 nm)
Drying loss max. 10.0 %
Properties (reference)
Maximum Absorption Wavelength 532(H2O) nm
Solubility in water Soluble
Solubility (slightly sol. in) Ethanol
Related Laws:
EC Number 223-098-9
RTECS# QJ6030000
Transport Information:
HS Number 3204120090
PubMed Literature

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