Quinacridone

Description

Quinacridone · CAS 1047-16-1 · C20H12N2O2. UNII 11P487375P. Melting Point: 390 °C; Density: 1.5; Stability/Shelf Life: Stable up to 165 °C.

Identification

CAS Registry Number	1047-16-1
PubChem CID	13976
Molecular formula	C20H12N2O2
IUPAC name	5,12-dihydroquinolino[2,3-b]acridine-7,14-dione
UNII (FDA)	11P487375P

Computed Descriptors

Molecular Weight	312.3
XLogP3	4
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	312.089877630
Monoisotopic Mass	312.089877630
Topological Polar Surface Area	58.2
Heavy Atom Count	24
Formal Charge	0

Physical & Chemical Properties

Melting Point	390 °C
Density	1.5
Stability/Shelf Life	Stable up to 165 °C

Physical description & handling notes

• Liquid; Other Solid; Dry Powder; Other Solid; CBI
• Red to violet solid; Bluish or yellowish tint depending of form; [HSDB] Red odorless powder; [MSDSonline]
• Solid
• Red to violet solid with blueish or yellowish tint depending upon crystalline form.
• particle characteristics: thin plates
• Insoluble in water

Regulatory Status

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS QUINO[2,3-B]ACRIDINE-7,14-DIONE, 5,12-DIHYDRO- QUINACRIDONE RED (C.I. PIGMENT VIOLET 19, C.I. NO. 73900) Quinacridone red (Alternate names: (1) Quino(2,3-b)acridine-7,14-dione, 5, 12-dihydro- and (2) C.I. Pigment vi
GHS notification summary	99.6% (760 / 763)

GHS Hazard Classification

GHS notification summary	99.6% (760 / 763)

Documented Uses

• Used as pigment (paints, printing inks, plastics, rubber, alkyd resin enamels, textile emulsion inks, textiles, nitrocellulose, vinyl, and acrylic lacquers) and sensitizing dye in color photo electrophoresis; Used to tone and make other pigments; [HSDB]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• PAINTS, PRINTING INKS, PLASTICS, RUBBER
• Cinquasia red is used a sensitizing dye in color photoelectrophoresis.
• As colorants for plastics, quinacridone pigments may be used in all resins except nylon-66 and polystyrene./Quinacridone Pigments/

Synonyms

Quinacridone; 1047-16-1; CINQUASIA RED; Monastral Red; Quinacridone violet; Monastral Violet R; Sunfast Violet; Cinquasia Red B; Cinquasia Red Y; Monastral Red B; Monastral Red Y; Monastrol Red Y; Permanent Magenta; Paliogen Red BG; Cinquasia Violet R; Dark violet

Frequently Asked Questions

What are the CAS number and molecular formula of Quinacridone?

CAS 1047-16-1; molecular formula C20H12N2O2; molecular weight — g/mol.

What other names is Quinacridone known by?

Quinacridone, 1047-16-1, CINQUASIA RED, Monastral Red, Quinacridone violet, Monastral Violet R.

What is the regulatory status of Quinacridone?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS.

Is Quinacridone classified as hazardous?

99.6% of GHS notifications report no hazard classification (760 of 763).

What are the key physical properties of Quinacridone?

Melting Point: 390 °C; Density: 1.5; Stability/Shelf Life: Stable up to 165 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.