Pigment Red 13 CAS 6535-47-3

Introduction：Basic information about Pigment Red 13 CAS 6535-47-3, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

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
• 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

• TSCA: TSCA listed

Pigment Red 13 Usage And Synthesis

Chemical Properties

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

Uses

Air-dried and baked enamels, truck body finishes.

Definition

An organic azo pigmentobtained by the azo coupling of m-nitro-p-toluidinewith the m-nitroanilide of β-hydroxynaphthoicacid.

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