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orange B

Known as: 1-(4-Sulfophenyl)-3-ethylcarboxy-4-(4-sulfonaphthylazo)-5-hydroxypyrazole Disodium, C.I. Acid Orange 137 
National Institutes of Health

Papers overview

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1996
1996
The pyrazolone dye Orange B was given by gavage to pregnant Osborne- Mendel rats throughout gestation. Dose levels of 0, 15, 30… 
1995
1995
Orange B, a pyrazolone dye used to color frankfurter and sausage casings, was given in distilled drinking water to pregnant…