ChemicalBook > CAS DataBase List > Acid Orange 7

Acid Orange 7

Product Name
Acid Orange 7
CAS No.
633-96-5
Chemical Name
Acid Orange 7
Synonyms
Ao 7;15510;ORANGE1;CI 4600;OrangeⅡ;ORANGE I;CI 14600;orangeya;orangeyz;ORANGE 4
CBNumber
CB0144029
Molecular Formula
C16H11N2NaO4S
Formula Weight
350.32
MOL File
633-96-5.mol
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Acid Orange 7 Property

Melting point:
164°C
solubility 
Solubility Very soluble in water; very slightly soluble in ethanol
pka
8.26, 11.4(at 25℃)
Colour Index 
15510
form 
Crystalline Powder
color 
Green to blue
Odor
Odorless
PH Range
Amber (7.4) to orange (8.6);Orange (10.2) to red (11.8)
Water Solubility 
116 g/L (30 ºC)
λmax
483nm
Merck 
14,6858
BRN 
3898201
Biological Applications
Cosmetics; wound dressing materials
Major Application
Organic light emitting diodes (OLEDs), nanoparticles, inks, wood preservatives, textiles, hair dyes, cosmetics, wound dressing materials, biofuel cells
CAS DataBase Reference
633-96-5(CAS DataBase Reference)
EPA Substance Registry System
C.I. Acid Orange 7, monosodium salt (633-96-5)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
3
RTECS 
DB7084000
HS Code 
32041200
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
195235
Product name
Orange II sodium salt
Purity
(Certified by the Biological Stain Commission), Dye content ≥85%
Packaging
25g
Price
$38.8
Updated
2020/08/18
Sigma-Aldrich
Product number
195235
Product name
Orange II sodium salt
Purity
(Certified by the Biological Stain Commission), Dye content ≥85%
Packaging
100g
Price
$127
Updated
2020/08/18
TCI Chemical
Product number
G0158
Product name
Acid Orange 7
Purity
>97.0%(HPLC)
Packaging
25g
Price
$30
Updated
2020/06/24
TCI Chemical
Product number
G0158
Product name
Acid Orange 7
Purity
>97.0%(HPLC)
Packaging
100g
Price
$74
Updated
2020/06/24
Sigma-Aldrich
Product number
69143
Product name
Orange II sodium salt
Purity
analytical standard
Packaging
25mg
Price
$108
Updated
2020/08/18
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Acid Orange 7 Chemical Properties,Usage,Production

Chemical Properties

Orange-red powder

Purification Methods

Purification is as for Orange I. Its solubility in H2O is 40g/L at 25o. [Müller et al. Helv Chim Acta 35 2579 1952.] Also purify it by extracting it with a small volume of cold water, then crystallising it by dissolving in boiling water, cooling to ca 80o, adding two volumes of EtOH and cooling. When cold, the precipitate is filtered off, washed with a little EtOH and dried in air. It can be salted out from aqueous solution with sodium acetate, then repeatedly extracted with EtOH. Meggy and Sims [J Chem Soc 2940 1956], after crystallising the sodium salt twice from water, dissolved it in cold water (11mL/g) and added conc HCl to precipitate the acid dye which was separated by centrifugation, redissolved and again precipitated with acid. After washing the precipitate three times with 0.5M acid, it was dried over NaOH, recrystallised twice from absolute EtOH, washed with a little Et2O, dried over NaOH and stored over conc H2SO4 in the dark. It can then be converted to the pure salt with the calculated amount of NaOH or Na2CO3. [Beilstein 16 IV 408.]

Acid Orange 7 Preparation Products And Raw materials

Raw materials

Preparation Products

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Acid Orange 7 Suppliers

J & K SCIENTIFIC LTD.
Tel
010-82848833- ;010-82848833-
Fax
86-10-82849933
Email
jkinfo@jkchemical.com;market6@jkchemical.com
Country
China
ProdList
96815
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76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
21-61259100-
Fax
86-21-61259102
Email
sh@meryer.com
Country
China
ProdList
40268
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62
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386 / 800-988-0390
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24555
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81
Energy Chemical
Tel
021-58432009
Fax
021-58436166-800
Email
sales8178@energy-chemical.com
Country
China
ProdList
44026
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Beijing Ouhe Technology Co., Ltd
Tel
010-82967028-
Fax
+86-10-82967029
Email
2355560935@qq.com
Country
China
ProdList
12365
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60
Winchem Industrial Co. Ltd
Tel
0574-83851061;0574-87083208
Fax
86-574-87083209
Email
info@win-chemical.com;info@win-chemical.com
Country
China
ProdList
500
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Adamas Reagent, Ltd.
Tel
400-600-9262
Email
bxy@titansci.com
Country
China
ProdList
13918
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BEST-REAGENT
Tel
400-1166-196;028-84555506- ;028-84555506-
Email
cdhxsj@163.com;1955352637@qq.com;cdhxsj@163.com
Country
China
ProdList
9897
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57
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400 638 7771
Email
sales@heowns.com
Country
China
ProdList
14460
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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
9848
Advantage
79
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View Lastest Price from Acid Orange 7 manufacturers

Shanghai Standard Technology Co., Ltd.
Product
Acid Orange 7 633-96-5
Price
US $0.00/mg
Min. Order
5mg
Purity
≥98%(HPLC)
Supply Ability
10 g
Release date
2020-01-09
career henan chemical co
Product
Acid Orange 7 633-96-5
Price
US $1.00/kg
Min. Order
1kg
Purity
97%
Supply Ability
as request
Release date
2018-12-21

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