ChemicalBook > CAS DataBase List > METANIL YELLOW

METANIL YELLOW

Product Name
METANIL YELLOW
CAS No.
587-98-4
Chemical Name
METANIL YELLOW
Synonyms
ACID YELLOW 36;monoazo;KI406;CI 13065;Yellow 36;ORANGE MNO;CI NO 13065;11363yellow;TROPAEOLIN G;zlutkysela36
CBNumber
CB0383512
Molecular Formula
C18H15N3O3S.Na
Formula Weight
377.39
MOL File
587-98-4.mol
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METANIL YELLOW Property

Melting point:
>250°C
Boiling point:
325℃[at 101 325 Pa]
Density 
0.488[at 20℃]
vapor pressure 
0Pa at 25℃
storage temp. 
room temp
solubility 
25g/l
Colour Index 
13065
form 
Powder
color 
Orange
PH
10 (10g/l, H2O, 20℃)
PH Range
Red (1.2) to yellow (2.3)
Water Solubility 
Soluble in water (25g/L).
λmax
414nm, 435nm
Merck 
14,5928
BRN 
3831568
Major Application
Display device, nanoparticles, optical sensors, batteries, lithographic printing plates, inks, highlighters, children’s coloring books, floor coatings, disinfectants, dyes, personal care products, cosmetics, food storage, antiseptic, dental impressionmaterials
LogP
0.137 at 25℃
CAS DataBase Reference
587-98-4(CAS DataBase Reference)
EPA Substance Registry System
C.I. Acid Yellow 36, monosodium salt (587-98-4)
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Safety

Hazard Codes 
Xi
Risk Statements 
43-36/37/38
Safety Statements 
22-24/25-36/37-36-26
WGK Germany 
2
RTECS 
DB7329500
TSCA 
Yes
HS Code 
32041200
Toxicity
LD50 orally in Rabbit: > 2000 mg/kg LD50 dermal Rat > 2000 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H318Causes serious eye damage

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

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

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
44426
Product name
Metanil Yellow
Purity
analytical standard
Packaging
100mg
Price
$298
Updated
2024/03/01
Sigma-Aldrich
Product number
202029
Product name
Metanil Yellow
Purity
Dye content 70%
Packaging
100g
Price
$57.1
Updated
2024/03/01
Sigma-Aldrich
Product number
1.59267
Product name
Metanil yellow
Purity
Reag. Ph Eur
Packaging
10g
Price
$72.6
Updated
2024/03/01
Sigma-Aldrich
Product number
64010
Product name
Metanil Yellow
Purity
for microscopy (Hist.), indicator (pH 1.2-2.3)
Packaging
25G
Price
$26.2
Updated
2023/06/20
Sigma-Aldrich
Product number
64010
Product name
Metanil Yellow
Purity
for microscopy (Hist.), indicator (pH 1.2-2.3)
Packaging
100G
Price
$65.6
Updated
2023/06/20
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METANIL YELLOW Chemical Properties,Usage,Production

Description

Metanil yellow is a yellow monoazo dye. This coloring agent is used in leather and wood stains, and was also employed as a food dye in India.

Chemical Properties

orange powder

Uses

dye used in leather; as indicator (pH) in laboratories

Uses

Metanil Yellow is used as indicator. Metanil yellow is useful in spectrophotometric methods to determine the presence of trace amounts of nitrates and nitrites in solution. The method utilizes the fact that potassium bromate can catalyze the discoloring of Metanil yellow which can then be analyzed by spectrophotometry.

Uses

As indicator in 0.1% solution, of which 2 drops are required for 10 ml liquid. pH: 1.2 red to 2.3 yellow.

Definition

ChEBI: An organic sodium salt having 3-[(4-anilinophenyl)diazenyl]benzene-1-sulfonate as the counterion. Used in one variant of Masson's trichrome to stain collagen yellow in contrast to the red muscle, but is not in common used.

General Description

Metanil yellow is an azo dye, which is used as a counterstain in PAS (periodic acid-Schiff) or iron-hematoxylin stained sections to increase contrast. At pH 1.2, metanil yellow is red in color, whereas in pH 2.3, it is yellow in color.

Flammability and Explosibility

Not classified

Contact allergens

Metanil yellow is a yellow monoazoic dye. This color ing agent is used in leather and wood stains, and is also employed as a food dye in India.

Biochem/physiol Actions

Metanil yellow is an azo dye. It is used as a counterstain in PAS (periodic acid-Schiff)/iron-hematoxylin stained sections to increase contrast. Metanil yellow changes its color from red at pH 1.2 to yellow at pH 2.3.

Safety Profile

Moderately toxic by intraperitoneal route. Experimental reproductive effects. Human mutation data reported. When heated to decomposition it emits toxic fumes of SOx, NOx, and NazO. See also AROMATIC AMINES and SULFONATES.

Purification Methods

It can be salted out from water three times with sodium acetate, then repeatedly extracted with EtOH [McGrew & Schneider J Am Chem Soc 72 2547 1950]. [Beilstein 16 II 168.]

Properties and Applications

Standard

Light Fastness

Soaping

Persperation Fastness

Oxygen bleaching

Fastness to seawater

Fading

Stain

Fading

Stain

Fading

Stain

ISO

3

2

2-3

AATCC

3

1

4

5

1

METANIL YELLOW Preparation Products And Raw materials

Raw materials

Metanilic acid Diphenylamine

Preparation Products

4-Aminodiphenylamine
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METANIL YELLOW Suppliers

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View Lastest Price from METANIL YELLOW manufacturers

Hebei Yanxi Chemical Co., Ltd.
Product
METANIL YELLOW 587-98-4
Price
US $0.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
20 tons
Release date
2023-11-17
Hebei Guanlang Biotechnology Co., Ltd.
Product
METANIL YELLOW 587-98-4
Price
US $30.00-10.00/KG
Min. Order
50KG
Purity
99%
Supply Ability
500000kg
Release date
2022-09-20
Shanghai Standard Technology Co., Ltd.
Product
Metanil yellow 587-98-4
Price
US $0.00/mg
Min. Order
20mg
Purity
≥98%(HPLC)
Supply Ability
10 g
Release date
2020-05-19

587-98-4, METANIL YELLOWRelated Search:

Acid Violet 43 Fluorescein Sodium Sodium metabisulfite 3-Aminophenol NAPHTHOL YELLOW S NA Saponin GRAVEOLINE DISPERSE DYE ACID DYES Benzenesulfonic acid sodium salt ACID YELLOW 7 m-[(p-Aminophenyl)azo]benzenesulphonic acid 4-(PHENYLAZO)DIPHENYLAMINE LUXOL FAST BLUE ARN METANIL YELLOW ACID BLUE 89 AMACID METANIL YELLOW

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