Permanent Orange

CAS 3468-63-1C16H10N4O5MW 338.27

Permanent Orange (CAS 3468-63-1) — formula C16H10N4O5, molecular weight 338.27.

Product Overview

CAS Number	3468-63-1
Molecular Formula	C16H10N4O5
Molecular Weight	338.27
Melting Point	302 °C
LogP	4.3
Applications	Uses: ... finds principle application in air-drying systems, including a variety of printing inks, Pigment in paints, Used on a moderately large scale in the printing ink industry, Industry Uses: Pigment, Dye, Consumer Uses: Pigment, Household Products: Cosmetics product ingredient: D&C Orange No. 17, Product count: 1, U.S. Production: 2023: 100, 000 - <250, 000 lb, 2022: 550, 000 - <700, 2021: 550, 2020: 550, 2-Naphthalenol, 1-[(2, 4-dinitrophenyl)azo]- is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and, or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B, 51FR21438).[EPA, Office of Pollution Prevention and Toxics, High Production Volume (HPV) Challenge Program. Available from the Database Query page at: http:, www.epa.gov, hpv, pubs, general, opptsrch.htm on 2-Naphthalenol, 1-, Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#7384], [US EPA, Non-confidential Production Volume Information Submitted by Companies for Chemicals Under the 1986-2002 Inventory Update Rule (IUR). 2-Naphthalenol, General Manufacturing Information: Construction, Synthetic Dye and Pigment Manufacturing, Paint and Coating Manufacturing, Printing Ink Manufacturing, Custom Compounding of Purchased Resins, Printing and Related Support Activities, 1-[2-(2, 4-dinitrophenyl)diazenyl]-: ACTIVE, ... relatively low hiding power and good lightfastness in full shades, but poor tint lightfastnesds. It shows poor bleed but acceptable base resistance

Applications

Documented applications: Uses: ... finds principle application in air-drying systems, including a variety of printing inks, Pigment in paints, Used on a moderately large scale in the printing ink industry, Industry Uses: Pigment, Dye, Consumer Uses: Pigment, Household Products: Cosmetics product ingredient: D&C Orange No. 17, Product count: 1, U.S. Production: 2023: 100, 000 - <250, 000 lb, 2022: 550, 000 - <700, 2021: 550, 2020: 550, 2-Naphthalenol, 1-[(2, 4-dinitrophenyl)azo]- is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and, or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B, 51FR21438).[EPA, Office of Pollution Prevention and Toxics, High Production Volume (HPV) Challenge Program. Available from the Database Query page at: http:, www.epa.gov, hpv, pubs, general, opptsrch.htm on 2-Naphthalenol, 1-, Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#7384], [US EPA, Non-confidential Production Volume Information Submitted by Companies for Chemicals Under the 1986-2002 Inventory Update Rule (IUR). 2-Naphthalenol, General Manufacturing Information: Construction, Synthetic Dye and Pigment Manufacturing, Paint and Coating Manufacturing, Printing Ink Manufacturing, Custom Compounding of Purchased Resins, Printing and Related Support Activities, 1-[2-(2, 4-dinitrophenyl)diazenyl]-: ACTIVE, ... relatively low hiding power and good lightfastness in full shades, but poor tint lightfastnesds. It shows poor bleed but acceptable base resistance.

Technical Profile

What this product is

Permanent Orange is a chemical compound with CAS registry number 3468-63-1 and molecular formula C16H10N4O5 (molecular weight 338.27).

Identification

CAS number: 3468-63-1

Its molecular formula C16H10N4O5 comprises 16 C, 10 H, 4 N, 5 O atoms.

Also known as: Permanent Orange · 永久橙 · LAKE RED 2G

Frequently Asked Questions

What is the CAS number of Permanent Orange?

The CAS registry number of Permanent Orange is 3468-63-1.

What is the molecular formula and molecular weight of Permanent Orange?

Molecular formula C16H10N4O5, molecular weight 338.27.

What other names is Permanent Orange known by?

It is also registered under: Permanent Orange, 永久橙, LAKE RED 2G.

What are the documented applications of Permanent Orange?

Recorded applications: Uses: ... finds principle application in air-drying systems, including a variety of printing inks, Pigment in paints, Used on a moderately large scale in the printing ink industry, Industry Uses: Pigment, Dye, Consumer Uses: Pigment, Household Products: Cosmetics product ingredient: D&C Orange No. 17, Product count: 1, U.S. Production: 2023: 100, 000 - <250, 000 lb, 2022: 550, 000 - <700, 2021: 550, 2020: 550, 2-Naphthalenol, 1-[(2, 4-dinitrophenyl)azo]- is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and, or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B, 51FR21438).[EPA, Office of Pollution Prevention and Toxics, High Production Volume (HPV) Challenge Program. Available from the Database Query page at: http:, www.epa.gov, hpv, pubs, general, opptsrch.htm on 2-Naphthalenol, 1-, Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#7384], [US EPA, Non-confidential Production Volume Information Submitted by Companies for Chemicals Under the 1986-2002 Inventory Update Rule (IUR). 2-Naphthalenol, General Manufacturing Information: Construction, Synthetic Dye and Pigment Manufacturing, Paint and Coating Manufacturing, Printing Ink Manufacturing, Custom Compounding of Purchased Resins, Printing and Related Support Activities, 1-[2-(2, 4-dinitrophenyl)diazenyl]-: ACTIVE, ... relatively low hiding power and good lightfastness in full shades, but poor tint lightfastnesds. It shows poor bleed but acceptable base resistance.

PubChem Public Data

Independent reference data for Permanent Orange (CAS 3468-63-1), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number	3468-63-1
PubChem CID	18981
Molecular formula	C16H10N4O5
IUPAC name	1-[(2,4-dinitrophenyl)diazenyl]naphthalen-2-ol
UNII (FDA)	E27LT0986O

Computed descriptors

Molecular Weight	338.27
XLogP3	4.3
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	2
Exact Mass	338.06511943
Monoisotopic Mass	338.06511943
Topological Polar Surface Area	137
Heavy Atom Count	25

Physicochemical values on record

Melting Point	302 °C
Density	1.52 No temp
Color Additive Status	81.10
Color Additive Status	81.30

Documented uses on record

Synonyms and trade names

3468-63-1; Permatone Orange; Hansa Orange RN; Light Orange R; Silopol Orange R; Carnelio Red 2G; Chromatex Orange R; Graphtol Red 2GL; Versal Orange RNL; Lake Red 2GL; Isol Fast Red 2G; Calcotone Orange 2R; Syton Fast Red 2G; Helio Fast Orange RN; Lutetia Fast Orange R; Brilliant tangerine 13030

Regulatory listings held on file

GHS notification summary	42.4% (369 / 871)

GHS hazard classification

GHS notification summary	42.4% (369 / 871)
Reported hazard statements	H319 (51.7%)

This chemical does not meet GHS hazard criteria for 42.4% (369 of 871) of reports.

H319 (51.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

What the public record says

DINITRANILINE ORANGE · CAS 3468-63-1 · C16H10N4O5. UNII E27LT0986O. Melting Point: 302 °C; Density: 1.52 No temp; Color Additive Status: 81.10.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.