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Solvent Yellow 2

Product Name
Solvent Yellow 2
CAS No.
60-11-7
Chemical Name
Solvent Yellow 2
Synonyms
Dimethylaminoazobenzene;METHYL YELLOW;4-DIMETHYLAMINOAZOBENZENE;N,N-DIMETHYL-4-(PHENYLAZO)ANILINE;BUTTER YELLOW;DIMETHYL YELLOW;OIL YELLOW;4-(Dimethylamino)azobenzol;PARA-DIMETHYLAMINOAZOBENZENE;Benzenamine, N,N-dimethyl-4-(phenylazo)-
CBNumber
CB9261965
Molecular Formula
C14H15N3
Formula Weight
225.29
MOL File
60-11-7.mol
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Solvent Yellow 2 Property

Melting point:
111 °C (dec.)(lit.)
Boiling point:
356.8°C (rough estimate)
Density 
1.1303 (rough estimate)
vapor pressure 
3 x 10-7 mmHg (estimated, NIOSH, 1997)
refractive index 
1.5770 (estimate)
storage temp. 
Store at RT.
solubility 
Insoluble in water; soluble in ethanol, benzene, ether, chloroform,petroleum ether, mineralacids, oils
Colour Index 
11020
pka
3.226(at 25℃)
form 
Powder
color 
Yellow
PH Range
2.9(red)-4(yellow/orange)
PH
2.9-4.0
Water Solubility 
13.6 mg/L
λmax
408nm, 256nm, 508nm
Merck 
14,3229
BRN 
746016
Stability:
Stable, but heat and light sensitive. Incompatible with strong oxidizing agents, strong acids.
Major Application
Electrochromic materials, sol-gel coatings, display device, inks, gasdetection apparatus, status assessment indetection apparatus, nematocides, hair dyes, diapers, food storage, status assessment inbreast cancer, detecting carbohydrates, bacteria, diagnosing cervical disease, wound dressing materials
CAS DataBase Reference
60-11-7(CAS DataBase Reference)
NIST Chemistry Reference
Benzenamine, N,N-dimethyl-4-(phenylazo)-(60-11-7)
IARC
2B (Vol. 8, Sup 7) 1987
EPA Substance Registry System
4-Dimethylaminoazobenzene (60-11-7)
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Safety

Hazard Codes 
T
Risk Statements 
25-40-68-45-23/24/25
Safety Statements 
36/37-45-53-22
RIDADR 
UN 2811 6.1/PG 3
WGK Germany 
3
RTECS 
BX7350000
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
HS Code 
29270000
Hazardous Substances Data
60-11-7(Hazardous Substances Data)
Toxicity
Acute oral LD50 for mice 300 mg/kg, rats 200 mg/kg (quoted, RTECS, 1985).
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H351Suspected of causing cancer

Precautionary statements

P201Obtain special instructions before use.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
73225
Product name
Butter Yellow
Purity
analytical standard
Packaging
25mg
Price
$142
Updated
2024/03/01
TCI Chemical
Product number
D0231
Product name
Methyl Yellow
Packaging
25g
Price
$30
Updated
2024/03/01
TCI Chemical
Product number
D0231
Product name
Methyl Yellow
Packaging
100g
Price
$84
Updated
2021/12/16
Alfa Aesar
Product number
B21145
Product name
Methyl Yellow, indicator
Packaging
25g
Price
$30.6
Updated
2024/03/01
Alfa Aesar
Product number
B21145
Product name
Methyl Yellow, indicator
Packaging
100g
Price
$74.1
Updated
2024/03/01
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Solvent Yellow 2 Chemical Properties,Usage,Production

Description

4-N,N-Dimethylaminobenzene diazonium chloride is a diazo compound found in diazo copy paper. It is allergenic only when unexposed.

Chemical Properties

yellow to orange crystalline powder

Uses

For determination of free HCl in gastric juice; spot test identification of peroxidized fats; pH indicator (red 2.9, yellow 4.0).

Uses

Formerly used as a coloring agent in foods, drugs, and cosmetics

Uses

Butter yellow was largely used as a food coloring agent. It was also used for the determination of free hydrochloric acid in gastric juice, for the spot test identification of peroxidized fats, as a pH indicator, and as a laboratory reagent.

Preparation

aniline diazotization, and N,N-dimethylaniline coupling.

Production Methods

4-Dimethylaminoazobenzene was produced in large quantities in the early 1900s but is currently not produced in any significant commercial quantity in the United States.

Definition

A banned food coloring.

General Description

Yellow crystalline leaflets or an orange powder.

Air & Water Reactions

Dust may form an explosive mixture in air. Insoluble in water.

Reactivity Profile

Solvent Yellow 2 can detonate, particularly if sensitized by the presence of metal salts or strong acids. May form toxic gases with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. May form flammable gases with alkali metals. May react explosively with strong oxidizing agents, metal salts, peroxides, and sulfides. May react explosively with strong oxidizing agents, metal salts, peroxides, and sulfides.

Hazard

Carcinogen.

Health Hazard

4-Dimethylamino-azobenzene (XIII) is the parent compound of the amino-azo dye carcinogens; it is also known in the earlier literature as Butter Yellow, because it was used to color butter and vegetable oils before its carcinogenic activity was discovered. Many derivatives of XIII have been prepared and tested for carcinogenic activity. In the rat, the amino-azo dye carcinogens, administered in the diet, specifically induce hepatomas. Tumor induction by most of the amino-azo dyes is delayed or inhibited by high dietary levels of riboflavin (vitamin B2) or protein. Replacement of the –N=N– azo linkage by –CH=CH–, as in 4-dimethylaminostilbene (XIV), results in widening the target tissue spectrum; XIV induces tumors in the liver, mammary gland, and ear duct. Mice are much more resistant than rats to the carcinogenic activity of both amino-azo dyes and aminostilbenes.

Fire Hazard

Flash point data for Solvent Yellow 2 are not available. Solvent Yellow 2 is probably combustible.

Safety Profile

Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Poison by ingestion and intraperitoneal routes. Experimental teratogenic and reproductive effects. Human mutation data reported. When heated to decomposition it emits toxic fumes of NOx

Potential Exposure

Tumorigen,Drug, Mutagen; Reproductive Effector DAB is used for coloring polishes and other wax products, polystyrene, petrol,soap, and as a chemical indicator. Human exposure to DABcan occur through either inhalation or skin absorption.

First aid

If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. Contact a physician, hospital, or poison center atonce. If the victim is unconscious or convulsing, do notinduce vomiting or give anything by mouth. Assure that thepatient’s airway is open and if conscious and not convulsing, give a glass of water to dilute the substance. Vomitingshould not be induced without a physician’s advice.

Carcinogenicity

4-Dimethylaminoazobenzene is reasonably anticipated to be a human carcinogen based on sufficient evidence of carcinogenicity fromstudies in experimental animals.

Environmental Fate

Chemical/Physical. Releases toxic nitrogen oxides when heated to decomposition (Sax and Lewis, 1987).
At influent concentrations of 1.0, 0.1, 0.01, and 0.001 mg/L, the GAC adsorption capacities were 249, 140, 83, and 48 mg/g, respectively (Dobbs and Cohen, 1980).

storage

Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Prior to working with DAB youshould be trained on its proper handling and storage. Storein a cool, dry place and protect from exposure to light andair. A regulated, marked area should be established wherethis chemical is handled, used, or stored in compliance withOSHA Standard 1910.1045.

Shipping

Dyes, solid, toxic, n.o.s. require a label of“POISONOUS/TOXIC MATERIALS.” 4-Dimethylaminoazo-benzene falls in Hazard Class 6.1; Packing Group III.

Properties and Applications

yellow to red light yellow. Light yellow powder, melting point 115 ℃ (yellow flaky crystal). Insoluble in water, soluble in ethanol for yellow solution, in oil soluble. In concentrated sulfuric acid to yellow, red after diluted solution; . Mainly used for Aviation fuel TETRAETHYLLEAD stability agent and pH indicator, also used in paraffin, polystyrene, oil and soap stain

Standard Light Fastness Heat-resistant(℃) Water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO General 113.5-115 120 Poor Well Poor

Purification Methods

Crystallise the dye from acetic acid or isooctane, or from 95% EtOH by adding hot water and cooling. Dry it over KOH under vacuum at 50o. [Beilstein 6 IV 448.] CARCINOGEN.

Toxicity evaluation

Butter yellow exists as a stable crystalline material at normal temperature and pressure. It is insoluble in water, but soluble in organic solvents such as alcohol, chloroform, ether, petroleum ether, mineral acids, oils, and pyridine. Its octanol/water partition coefficient is 4.58, vapor pressure is 3.3×10-7 mm Hg; and Henry’s law constant is 7.1×10-9 atm-m3 mol-1.
Butter yellow may be released into the environment as a result of its manufacture and use in the consumer products. It may bind to the soil and when released into water, may bioconcentrate in aquatic organisms, or may be adsorbed into the sediment. If released in the atmosphere, it may undergo direct photolysis.

Incompatibilities

None reported.

Solvent Yellow 2 Preparation Products And Raw materials

Raw materials

Preparation Products

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Solvent Yellow 2 Suppliers

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
94657
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76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24529
Advantage
81
Beijing HwrkChemical Technology Co., Ltd
Tel
010-89508211 18501085097
Fax
010-89508210
Email
sales.bj@hwrkchemical.com
Country
China
ProdList
8418
Advantage
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Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44689
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Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696
Email
info@hanhongsci.com
Country
China
ProdList
42958
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Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18738
Advantage
57
Sichuan Kulinan Technology Co., Ltd
Tel
400-1166-196 18981987031
Fax
028-84555506 800101999
Email
cdhxsj@163.com
Country
China
ProdList
11707
Advantage
57
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400 638 7771
Email
sales@heowns.com
Country
China
ProdList
14435
Advantage
57
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View Lastest Price from Solvent Yellow 2 manufacturers

Hebei Kingfiner Technology Development Co.Ltd
Product
Solvent Yellow 2 60-11-7
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
50000kg
Release date
2024-05-11
Zhuozhou Wenxi import and Export Co., Ltd
Product
Solvent Yellow 2 60-11-7
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10
Zhuozhou Wenxi import and Export Co., Ltd
Product
Solvent Yellow 2 60-11-7
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-09

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