ChemicalBook CAS DataBase List Pigment Red 3

Pigment Red 3

$11 - $1310

Product namePigment Red 3
Cas No2425-85-6
MFC17H13N3O3
MW307.3
EINECS219-372-2
MDL NumberMFCD00003910

Synonyms

((4-Methyl-2-nitrophenyl)azo)-2-naphthol;1-((2-nitro-4-methylphenyl)azo)-2-naphthol ;adctoluidineredb ;atlasolspiritred3 ;Basoflex Red 361;C.I. Pigment Red 3;C.I.Pigmentred3 ;C.I.PigmentRed3(12120)

Price

Brand	Packaging	Price	Product name
aablocks AA00I4L9	1g	$12	1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol
aablocks AA00I4L9	5g	$48	1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol
aablocks AA00I4L9	25g	$96	1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol
AHH MT-18335	500g	$615	1-(4-Methyl-2-nitrophenylazo)-2-naphthol
AK Scientific N933	25g	$264	Toluidine Red
American Custom Chemicals Corporation DYE0000613	5MG	$501.11	PIGMENT RED 3
Arctom AS029488	5g	$111	1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol
Arctom AS029488	25g	$204	1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol
Arctom BD-A228221	100g	$237	1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol
Arctom BD-A228221	25g	$79	1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol

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Properties

Melting point	270-272 °C(lit.)
Boiling point	447.81°C (rough estimate)
Density	1.1873 (rough estimate)
refractive index	1.6500 (estimate)
solubility	Chloroform (Slightly, Heated), DMSO (Slightly), Toluene (Very Slightly)
Colour Index	12120
pka	13.45±0.50(Predicted)
Water Solubility	211μg/L at 20℃
Henry's Law Constant	8.2×10⁶ mol/(m³Pa) at 25℃, HSDB (2015)
Stability	Stable. May be moisture sensitive. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions	COLORANT
LogP	5.4 at 25℃
CAS DataBase Reference	2425-85-6(CAS DataBase Reference)
IARC	3 (Vol. 57) 1993
NIST Chemistry Reference	2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-(2425-85-6)
EPA Substance Registry System	C.I. Pigment Red 3 (2425-85-6)

Pigment Red 3

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