PIGMENT RED 49:1

Description

PIGMENT RED 49:1 · CAS 1103-38-4 · C40H26BaN4O8S2. UNII XA4L9U490C. Color Additive Status: 81.10; Color Additive Status: 81.30.

Identification

CAS Registry Number	1103-38-4
PubChem CID	14199
Molecular formula	C40H26BaN4O8S2
IUPAC name	barium(2+);bis(2-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate)
UNII (FDA)	XA4L9U490C

Computed Descriptors

Molecular Weight	892.1
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	12
Rotatable Bond Count	4
Exact Mass	892.024453
Monoisotopic Mass	892.024453
Topological Polar Surface Area	221
Heavy Atom Count	55
Formal Charge	0
Complexity	634

Physical & Chemical Properties

Color Additive Status	81.10
Color Additive Status	81.30

Physical description & handling notes

• Dry Powder
• Solid; [IUCLID] Red solid; [MSDSonline]
• D&C Red No. 12
• None
• formerly Drugs, Cosmetics
• Dry color, presscake, and dispersion grades

Regulatory Status

GHS notification summary	99.6% (269 / 270)

GHS Hazard Classification

GHS notification summary	99.6% (269 / 270)

Documented Uses

• Used in enamels (industrial, toys, and dipping), rubber, plastics, printing inks, paints, alkyd resin enamels, lacquers, linoleum, paper coatings, emulsion paints, wallpaper, foil printing, and artists' colors; [HSDB]
• Pulp and Paper Processing [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Industrial enamels; toys and dipping enamels; rubber, plastics, etc. /Lithol red/
• Used in printing inks and paints, having high tinctorial strength; in alkyd resin enamels and lacquers when the solvent fastness is sufficient; rubber, though subject to some migration. Also linoleum, paper coating, emulsion paints, inks for wrapper, wallpaper and foil printing; PVC; U/F, P/F, polystyrene and aminoresins and plastics; student grade artists' colouring materials
• ... diazotized Tobias acid (2-aminonaphthalene-1-sulfonic acid) coupled with 2-naphtol. /Lithol Reds/

Synonyms

BARIUM LITHOL RED; Barium lithol; Poster Red; Calcotone Red B; red 12; Irgalite Red BRL; Light Red RB; Light Red RCN; Red Toner YTA; Isol Red 3BK; Isol Red Toner GB; Isol Red Toner RB; Sanyo Fast Red NN; Sanyo Lithol Red R; Isol Tobias Red GB; Isol Tobias Red RB

Frequently Asked Questions

What are the CAS number and molecular formula of PIGMENT RED 49:1?

CAS 1103-38-4; molecular formula C40H26BaN4O8S2; molecular weight — g/mol.

What other names is PIGMENT RED 49:1 known by?

BARIUM LITHOL RED, Barium lithol, Poster Red, Calcotone Red B, red 12, Irgalite Red BRL.

Is PIGMENT RED 49:1 classified as hazardous?

99.6% of GHS notifications report no hazard classification (269 of 270).

What are the key physical properties of PIGMENT RED 49:1?

Color Additive Status: 81.10; Color Additive Status: 81.30.

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.