ChemicalBook > CAS DataBase List > ORANGE I

ORANGE I

Product Name
ORANGE I
CAS No.
523-44-4
Chemical Name
ORANGE I
Synonyms
oranzi;c.i.150;oranges;ORANGE1;CI 4600;OrangeⅠ;orangeim;ORANGE I;CI 14600;DAIDAI402
CBNumber
CB7144028
Molecular Formula
C16H11N2NaO4S
Formula Weight
350.32
MOL File
523-44-4.mol
More
Less

ORANGE I Property

Melting point:
260 °C (decomp)
storage temp. 
Inert atmosphere,Room Temperature
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
Colour Index 
14600
color 
Red to Very Dark Red
Merck 
14,6857
BRN 
3826844
IARC
3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System
C.I. Acid Orange 20 monosodium salt (523-44-4)
More
Less

Safety

Safety Statements 
22-24/25
WGK Germany 
3
RTECS 
DB7085000
HS Code 
32041200
Hazardous Substances Data
523-44-4(Hazardous Substances Data)
Toxicity
LD50 intraperitoneal in rat: 1gm/kg
More
Less

Hazard and Precautionary Statements (GHS)

More
Less

N-Bromosuccinimide Price

TCI Chemical
Product number
N0308
Product name
α-Naphthol Orange
Packaging
25g
Price
$59
Updated
2024/03/01
TRC
Product number
N369040
Product name
α-NaphtholOrange(TechnicalGrade)
Packaging
2.5g
Price
$85
Updated
2021/12/16
AK Scientific
Product number
Z3708
Product name
OrangeyellowI
Packaging
25g
Price
$120
Updated
2021/12/16
Matrix Scientific
Product number
098845
Product name
Sodium 4-((4-hydroxynaphthalen-1-yl)diazenyl)benzenesulfonate
Purity
95+%
Packaging
100g
Price
$252
Updated
2021/12/16
Matrix Scientific
Product number
098845
Product name
Sodium 4-((4-hydroxynaphthalen-1-yl)diazenyl)benzenesulfonate
Purity
95+%
Packaging
10g
Price
$49
Updated
2021/12/16
More
Less

ORANGE I Chemical Properties,Usage,Production

Chemical Properties

Crystalline

Uses

A labeled form of alpha-Naphthol Orange, also known as Acid Orange 20, which is an organic azo dye.

Definition

ChEBI: CI Acid Orange 20 is an organic molecular entity.

Preparation

4-Aminobenzenesulfonic acid diazo, and Naphthalen-1-ol?coupling.

Properties and Applications

orange. Soluble in water for palm light orange, slightly soluble in ethanol, acetone, insoluble in most organic solvents. The strong sulfuric acid for purple, diluted into palm orange, red with purple precipitation. Its water solution to join strong hydrochloric acid for orange brown; Add sodium hydroxide in red. Used for wool, silk fiber dyeing, etc. Also used in leather dyeing and indicator.

Purification Methods

Purify the dye by dissolving it in the minimum volume of H2O, adding, with stirring, a large excess of EtOH. The salt separates as orange needles. It is collected by centrifugation or filtration, washed with absolute EtOH (3x) and Et2O (2x) in the same way and dried in a vacuum desiccator over KOH. The free acid can be recrystallised from EtOH. [Slotta & Franke Chem Ber 64 86 1931, Beilstein 16 H 275, 16 II 117, 16 IV 410.] The purity can be checked by titration with titanium chloride [Klotz J Am Chem Soc 68 2299 1946].

ORANGE I Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

ORANGE I Suppliers

TOKYO CHEMICAL INDUSTRY CO., LTD.
Tel
03-36680489
Fax
03-3668-0520
Email
Sales-JP@TCIchemicals.com
Country
Japan
ProdList
28398
Advantage
80
More
Less

View Lastest Price from ORANGE I manufacturers

Career Henan Chemical Co
Product
ORANGE I 523-44-4
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
25kg
Release date
2019-07-11

523-44-4, ORANGE IRelated Search:


  • 1333orange
  • 4-((4-hydroxy-1-naphthalenyl)azo)benzenesulfonicacid,monosodiumsalt
  • 4-((4-hydroxy-1-naphthalenyl)azo)-benzenesulfonicacimonosodiumsalt
  • 4-((4-hydroxy-1-naphthalenyl)azo)benzenesulphonicacid,monosodiumsalt
  • 4-[(4-hydroxy-1-naphthalenyl)azo]-benzenesulfonicacimonosodiumsalt
  • 4-p-sulfophenylazo-1-naphtholmonosodiumsalt
  • 4-p-sulphophenylazo-1-naphthol,monosodiumsalt
  • a.f.orangeno.1
  • acidleatherorangei
  • acidorangei
  • acidphosphinecl
  • aforangeno1
  • aizenfoodorangeno.1
  • aizenfoodorangeno1
  • aizennaphtholorangei
  • aizenorangei
  • Benzenesulfonicacid,4-[(4-hydroxy-1-naphthalenyl)azo]-,monosodiumsalt
  • c.i.150
  • c.i.acidorange20
  • c.i.acidorange20,monosodiumsalt
  • certiqualorangei
  • d&corangeno1
  • dyeorangeno.1
  • dyeorangeno1
  • egacidorangegg
  • elgacidorange2g
  • eniacidorangei
  • extdandcorangeno.3
  • extdandcorangeno3
  • externaldandcorangeno.3
  • externaldandcorangeno3
  • extractdandcorangeno.3
  • extractdandcorangenumber3
  • fdandcorangeno.1
  • fdandcorangeno1
  • fdcorangei
  • hispacidorange1
  • javaorangei
  • nankaiacidorangei
  • naphthaleneorangei
  • neklacidorange1
  • orange1sodiumsalt
  • orangei,sodiumsalt
  • orangeiextraconc.aexport
  • orangeiextraconcaexport
  • orangeim
  • oranges
  • oranzi
  • oranzkysela20
  • p-((4-hydroxy-1-naphthyl)azo)benzenesulfonicacid,monosodiumsalt
  • p-((4-hydroxy-1-naphthyl)azo)benzenesulfonicacid,sodiumsalt
  • p-((4-hydroxy-1-naphthyl)azo)-benzenesulfonicacisodiumsalt
  • p-((4-hydroxy-1-naphthyl)azo)benzenesulphonicacid,monosodiumsalt
  • p-((4-hydroxy-1-naphthyl)azo)benzenesulphonicacid,sodiumsalt
  • p-((4-hydroxy-1-naphthyl)azo-benzenesulfonicacisodiumsalt
  • schultzno.185
  • sodiumazo-alpha-naphtholsulfanilate
  • sodiumazo-alpha-naphtholsulphanilate