Product

Solvent Red 8

CAS No.：33270-70-1

Other grades of this product :

Solvent Red 8 Basic information

Product Name:	Solvent Red 8
Synonyms:	Chromate(1-), bis2,4-dihydro-4-2-(hydroxy-.kappa.O)-4-nitrophenylazo-.kappa.N1-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-.kappa.O3-, hydrogen;chromate(1-), bis[2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-pheny;Chromate(1-), bis[2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)]-, hydrogen;Hydrogen bis[2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato]chromate;Solvent Red 8;Red 4R;C.I.12715;C.I.Solvent Red 8
CAS:	33270-70-1
MF:	C32H23CrN10O8
MW:	727.59
EINECS:	251-436-5
Product Categories:	Solvent Dyestuff;Organometallics
Mol File:	33270-70-1.mol

Solvent Red 8 Chemical Properties

CAS DataBase Reference	33270-70-1
EPA Substance Registry System	Chromate(1-), bis[2,4-dihydro-4-[[2-(hydroxy-.kappa.O)-4-nitrophenyl]azo-.kappa.N1]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-.kappa.O3]-, hydrogen (33270-70-1)

Safety Information

MSDS Information

Solvent Red 8 Usage And Synthesis

Properties and Applications

TEST ITEMS	SPECIFICATION
APPEARANCE	DARK RED POWDER
SHADE	BLUISH
HEAT RESISTANCE	220 °C min
LIGHT FASTNESS	5-6
ACID RESISTANCE	4
ALKALI RESISTANCE	5
WATER RESISTANCE	5
DENSITY	1.30 g/cm ³
RESIDUE ON 80 MESH	5.0% max
WATER SOLUBLE	1.0% max
VOLATITE 105 °C	1.0% max
TINTING STRENGTH	100-105 %

Solvent Red 8 Preparation Products And Raw materials

Raw materials

1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one-->2-Amino-5-nitrophenol-->5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one-->2-Amino-5-nitrophenol

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