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CAS RN: 3530-19-6 | Product Number: D0234

Direct Scarlet B

  • Amidine Scarlet B
  • Chloramine Red B
  • Diamine Scarlet B
  • Pontamine Scarlet B
  • Direct Red 37
2   2  

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Product Number D0234
Molecular Formula / Molecular Weight C__3__0H__2__2N__4Na__2O__8S__2 = 676.63 
Physical State (20 deg.C) Solid
CAS RN 3530-19-6
PubChem Substance ID 87566942
Colour Index 22240
MDL Number


Appearance Orange to Amber to Dark red powder to crystal
Lambda max. 505.0 to 509.0 nm(H2O)
Absorbance(E1%1cm) min. 400(H2O, 505.0 to 509.0 nm)
Properties (reference)
Maximum Absorption Wavelength 507(H2O) nm
Solubility in water Soluble
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H302 + H332 : Harmful if swallowed or if inhaled.
H350 : May cause cancer.
Precautionary Statements P261 : Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P201 : Obtain special instructions before use.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P313 : IF exposed or concerned: Get medical advice/ attention.
P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
Related Laws:
EC Number 222-560-7
Transport Information:
HS Number 3204140090
PubMed Literature

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