Pigment Red 13

CAS No.：6535-47-3

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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Pigment Red 13 Basic information

Product Name:	Pigment Red 13
Synonyms:	Toluidine Maroon;Red 13;Pigment Toluidine Maroon;Pigment -- Pigment Red 13;2-naphthalenecarboxamide, 3-hydroxy-4-[(4-methyl-2-nitrophenyl)azo]-n-(2-methyl;3-hydroxy-4-[(4-methyl-2-nitrophenyl)azo]-n-(2-methylphenyl)-2-naphthalenecarboxamid;Pigment red 13 (C.I. 12395);Toluidine moroon
CAS:	6535-47-3
MF:	C25H20N4O4
MW:	440.45
EINECS:	229-441-9
Product Categories:
Mol File:	6535-47-3.mol

Pigment Red 13 Chemical Properties

Boiling point	621.6±55.0 °C(Predicted)
density	1.32
pka	12.01±0.70(Predicted)
CAS DataBase Reference	6535-47-3(CAS DataBase Reference)
EPA Substance Registry System	2-Naphthalenecarboxamide, 3-hydroxy-4-[(4-methyl-2-nitrophenyl)azo]-N-(2-methylphenyl)- (6535-47-3)

Safety Information

MSDS Information

Pigment Red 13 Usage And Synthesis

Chemical Properties

Good lightfastness and weather resistance, excellent acid and alkali resistance, poor resistance to bleeding.

Uses

Air-dried and baked enamels, truck body finishes.

Definition

An organic azo pigment obtained by the azo coupling of m-nitro-p-toluidine with the m-nitroanilide of β-hydroxynaphthoic acid.

Properties and Applications

TEST ITEMS	SPECIFICATION
APPEARANCE	DARK RED POWDER
SHADE	BLUISH
HEAT RESISTANCE	160 °C min
LIGHT FASTNESS	6~7
ACID RESISTANCE	5
ALKALI RESISTANCE	4
FASTNESS TO BLEEDING	4
OIL ABSORPTION	45-50%
SPECIFIC SURFACE	26 m ² /g
DENSITY	1.60 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 %

Pigment Red 13 Preparation Products And Raw materials

Raw materials

Sodium hydroxide-->Hydrochloric acid-->Sodium nitrite-->Sodium acetate-->Sodium acetate trihydrate-->Sulfonated castor oil-->4-Methyl-2-nitroaniline-->Naphthol AS-D

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