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
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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
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
Chem-Impex
Product number
38605
Product name
a-Naphtholorange,CI14600
Purity
CI14600
Packaging
25G
Price
$56
Updated
2021/12/16
AK Scientific
Product number
Z3708
Product name
OrangeyellowI
Packaging
25g
Price
$120
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

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
BeiJing Hwrk Chemicals Limted
Tel
0757-86329057 18501085097
Fax
010-89508210
Email
sales3.gd@hwrkchemical.com
Country
China
ProdList
7583
Advantage
55
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Shanghai Longsheng chemical Co.,Ltd.
Tel
021-58099652-8005 13585536065
Fax
021-58099609
Email
bin.wu@shlschem.com
Country
China
ProdList
9816
Advantage
59
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696;
Email
info@hanhongsci.com
Country
China
ProdList
42982
Advantage
64
BEST-REAGENT
Tel
400-1166-196 18981987031
Fax
028-84555506 800101999
Email
cdhxsj@163.com
Country
China
ProdList
11726
Advantage
57
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400 638 7771
Email
sales@heowns.com
Country
China
ProdList
14443
Advantage
57
Sinopharm Chemical Reagent Co,Ltd.
Tel
86-21-63210123
Fax
86-21-63290778 86-21-63218885
Email
sj_scrc@sinopharm.com
Country
China
ProdList
9823
Advantage
79
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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

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