ORANGE I

ChemicalBook > CAS DataBase List > 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

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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)

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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

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Hazard and Precautionary Statements (GHS)

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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

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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

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ORANGE I Suppliers

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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:

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