Pigment Red 31 CAS 6448-96-0

Introduction：Basic information about Pigment Red 31 CAS 6448-96-0, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Pigment Red 31 Basic information

• Product Name: Pigment Red 31
• Synonyms: Pigment Red 31;C.I. 12360;c.i. pigment red 212;(4Z)-4-[[2-methoxy-5-(phenylcarbamoyl)phenyl]hydrazinylidene]-N-(3-nitrophenyl)-3-oxonaphthalene-2-carboxamide;3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]-n-(3-nitrophenyl)-2-naphthalenecarboxamide;3-HYDROXY-4-2-METHOXY-5-(PHENYLAMINO)CARBONYLPHENYLAZO-N-(3-NITROPHENYL)-2-NAPHTHALENECARBOXAMIDE;4-[[5-(anilino)carbonyl-2-methoxyphenyl]azo]-3-hydroxy-n-(3-nitrophenyl)naphthalene-2-carboxamide;Red Violet
• CAS: 6448-96-0
• MF: C31H23N5O6
• MW: 561.54
• EINECS: 229-246-9
• Product Categories: Organics
• Mol File: 6448-96-0.mol

Pigment Red 31 Chemical Properties

• Boiling point: 703.3±60.0 °C(Predicted)
• density: 1.37
• vapor pressure: 0Pa at 25℃
• pka: 11.10±0.70(Predicted)
• Water Solubility: 7.22ng/L at 25℃
• LogP: 7.89
• CAS DataBase Reference: 6448-96-0(CAS DataBase Reference)
• EPA Substance Registry System: C.I. Pigment Red 31 (6448-96-0)

Safety Information

• TSCA: TSCA listed

Pigment Red 31 Usage And Synthesis

Uses

Pigment Red 31 (CAS# 6448-96-0) is an organic azo dye used as a colourant and pigment in a variety of applications, such as in inkjet printer ink. Pigment Red 31 interacts with Laponite RD to form a hydrophobic fluorescent organic pigment, a useful analytical reagent.

Flammability and Explosibility

Not classified

Properties and Applications

• TEST ITEMS:

  SPECIFICATION

• APPEARANCE:

  RED POWDER

• SHADE:

  BLUISH

• HEAT RESISTANCE:

  180 °C min

• LIGHT FASTNESS:

  6~7

• ACID RESISTANCE:

  5

• ALKALI RESISTANCE:

  5

• FASTNESS TO BLEEDING:

  4

• OIL ABSORPTION:

  40-50%

• SPECIFIC SURFACE:

  28 m ² /g

• DENSITY:

  1.40 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 31 Preparation Products And Raw materials

• Raw materials: 3-Amino-4-methoxybenzanilide-->3-Hydroxy-N-(3-nitrophenyl)-2-naphthalenecarboxamide