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Pigment Red 49:2

Pigment Red 49:2 structure

Pigment Red 49:2 

structure
  • CAS No:

    1103-39-5

  • Formula:

    C20H14N2O4S.1/2Ca

  • Chemical Name:

    Pigment Red 49:2

  • Synonyms:

    1-Naphthalenesulfonic acid,2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-,calcium salt (2:1);C.I. Pigment Red 49,calcium salt (2:1);1-Naphthalenesulfonic acid,2-[(2-hydroxy-1-naphthalenyl)azo]-,calcium salt (2:1);1793 Red;Brilliant Toner RB;Calcium Lithol;Calcotone Red 2B;Eljon Bordeaux;Eljon Lithol Red BS;Isol Red Toner RC;Isol Tobias Red RC;Light Red RCA;Lithol Red 19592;Lithol Red Calcium Toner;Lithol Red RC Extra;Lithol Red Toner 3BX;No. 66. Conc. Lithol Toner;Red Toner EBA;Vulcanosine Red RCKX;Winthrop Red X 1666;D and C Red No. 11;C.I. Pigment Red 49:2;Calcium Lithol Red;Pigment Red 49:2;Red No. 206;Lithol Red Ca;Lithol Red RL 159;C.I. Pigment Red 49,calcium salt;Cortone Red TG-B;C.I. 15630:2;Japan Red 206;D&C Red No. 11;D&C Red No. 11 Calcium Lake;Red Lithol B calcium salt;RCD 9210;Acid Red 206;PR 49:2;130123-80-7;12237-55-7

  • Categories:

    Dyes and Pigments  >  Pigment

Description

DryPowder

Pigment Red 49:2 Basic Attributes

794.86444

794.081797

214-161-1

DTXSID2061486

Red

Characteristics

221

12.19780

DryPowder

1.42g/cm3

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

Safety Information

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

|Warning|H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]|P273, P391, and P501|Aggregated GHS information provided by 160 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

The /FDA/ Commissioner concludes that these colors /D&C Red 10, 11, 12 and 13/ cannot be produced with any reasonable assurance that they will not contain beta-naphthalamine as an impurity

Pigment Red 49:2 Use and Manufacturing

Methods of Manufacturing

One of a group of pigments made by combining tobias acid and beta-naphthol. /Lithol red/|Coupling of diazotized 2-amino-1-naphthalene-sulfonic acid with 2-naphthol, followed by salt formation.

Uses

Used for coloring of ink, iron printing ink, leather, cultural and educational supplies


Pigments


Ink, toner, and colorant products

Production

(1984) 4.02X10+8 g|(1992) 726 kg produced|(1993) 619 kg produced

Dry color, presscake, aqueous dispersions /available/|Avail as sodium, barium, and calcium lithols. /Lithol red/

Paint and coating manufacturing|1-Naphthalenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, calcium salt (2:1): ACTIVE|INSOL NA, BA, CA SALTS OF SOL AZO DYE. /LITHOLS/|/The FDA terminated the/ provisional listing of D&C Red No. 10, D&C Red No. 11, D&C Red No. 12, and D&C Red No. 13 for use in drugs and cosmetics, effective December 13, 1977|Poor resistance to sunlight and weathering; generally good resistance to bleeding and to chemicals. /Lithol red/

AOAC Method 950.60. Analysis of Commercial Synthetic Organic Color Additives. Specifications and applicable methods...appear in 12th edition.

Computed Properties

Molecular Weight:794.9
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:12
Rotatable Bond Count:4
Exact Mass:794.0817970
Monoisotopic Mass:794.0817970
Topological Polar Surface Area:221
Heavy Atom Count:55
Complexity:634
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes

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