ChemicalBook > CAS DataBase List > NAPHTHOL YELLOW S

NAPHTHOL YELLOW S

Product Name
NAPHTHOL YELLOW S
CAS No.
846-70-8
Chemical Name
NAPHTHOL YELLOW S
Synonyms
CI 10316;1307yellow;1422yellow;citronin A;zlutkysela1;CI NO 10316;paperyellowl;yellowlake71;yellowno.403;FD&CYELLOWNO1
CBNumber
CB7308633
Molecular Formula
C10H4N2Na2O8S
Formula Weight
358.19
MOL File
846-70-8.mol
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NAPHTHOL YELLOW S Property

Melting point:
>300℃
storage temp. 
Room Temperature
solubility 
Acetonitrile (Slightly), DMSO (Slightly)
Colour Index 
10316
color 
Light Yellow to Dark Yellow
Merck 
14,6393
BRN 
2708476
Stability:
Stable. Incompatible with strong oxidizing agents.
EPA Substance Registry System
C.I. Acid Yellow 1 (846-70-8)
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Safety

Hazard Codes 
Xi,C,F
Risk Statements 
11-34
Safety Statements 
22-24/25-45-36/37/39-26-16
WGK Germany 
3
RTECS 
QK1813000
Hazard Note 
Irritant
TSCA 
Yes
HS Code 
32129000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H317May cause an allergic skin reaction

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

P314Get medical advice/attention if you feel unwell.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
70540
Product name
Naphthol Yellow S
Packaging
25g
Price
$35
Updated
2024/03/01
Sigma-Aldrich
Product number
49547
Product name
Naphthol Yellow S
Purity
analytical standard
Packaging
25mg
Price
$168
Updated
2024/03/01
TCI Chemical
Product number
F0100
Product name
Naphthol Yellow S Hydrate
Purity
>98.0%(HPLC)(T)
Packaging
25g
Price
$117
Updated
2024/03/01
Alfa Aesar
Product number
B20872
Product name
Naphthol Yellow S
Packaging
250g
Price
$109
Updated
2021/12/16
Alfa Aesar
Product number
B20872
Product name
Naphthol Yellow S
Packaging
50g
Price
$28
Updated
2021/12/16
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NAPHTHOL YELLOW S Chemical Properties,Usage,Production

Chemical Properties

light yellow powder

Uses

Naphthol Yellow S Hydrate is used in methods for dying of textiles.

Uses

Dye for wool, silk.

Definition

ChEBI: An organic sodium salt that is the disodium salt of 5,7-dinitro-8-hydroxynaphthalene-2-sulfonic acid.

Preparation

4-Hydroxynaphthalene-1,3,6-trisulfonic acid or 1-Naphthol-4,7-disulfonic acid?or 1-Naphthol-2,7-disulfonic acid?or more of the latter with the nitro compounds and nitric acid reaction.

Properties and Applications

colourful green light yellow. Soluble in cold water and hot water yellow, in 0 ℃ when solubility of 8%, slightly soluble in alcohol. Meet strong sulfuric acid is green light yellow, diluted colored light become weak. Its water solution to join sodium hydroxide have floc; Join chloride-ferric chloride solution from yellow to become yellow light brown. Apply to wool, polyamide fiber dyeing, coloured paper colourful yellow, the heavy metal salt can be used for printing ink and rubber color. Can also be used for soap, drug, cosmetics, biological and leather dyeing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 1 1 5 3 1 5 1 1
AATCC 1 2 2 1 1 1 2 2

Purification Methods

It is a water-soluble greenish yellow powder. The free sulfonic acid can be recrystallised from dilute HCl (m 150o) or AcOH/EtOAc (m 148-149.5o). The disodium salt is then obtained by dissolving the acid in two equivalents of aqueous NaOH and evaporating to dryness and drying the residue in a vacuum desiccator. The sodium salt can be recrystallised from the minimum volume of H2O or from EtOH [Dermer & Dermer J Am Chem Soc 61 3302 1939]. [Beilstein 11 III 542.]

NAPHTHOL YELLOW S Preparation Products And Raw materials

Raw materials

Preparation Products

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NAPHTHOL YELLOW S Suppliers

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View Lastest Price from NAPHTHOL YELLOW S manufacturers

Career Henan Chemical Co
Product
NAPHTHOL YELLOW S 846-70-8
Price
US $1.00/KG
Min. Order
1KG
Purity
95-99%
Supply Ability
1ton
Release date
2020-01-03

846-70-8, NAPHTHOL YELLOW SRelated Search:

METANIL YELLOW Acid Violet 43 2-Nitro-1-naphthol 1-Naphthol 2-Nitrophenol 4-Nitro-1-naphthol Sodium 2,4-dinitrophenate NAPHTHOL YELLOW 2-AMINO-4-NITROPHENOL SODIUM SALT 4-NITROSOPHENOL SODIUM SALT 12 WT. % 2-NITRONAPHTHALENE 4-amino-1-naphthol 1,3-Dinitrobenzene 2-Chloro-5-hydroxypyridine 3-Nitroaniline FLAVIANIC ACID 1-Nitronaphthalene 4-Nitrosophenol

  • 5,7-DINITRO-8-HYDROXY-2-NAPHTHALENESULFONIC ACID SODIUM SALT
  • ACID YELLOW S
  • ACID YELLOW 1
  • AMACID YELLOW S
  • 8-HYDROXY-5,7-DINITRO-2-NAPHTHALENESULFONIC ACID DISODIUM SALT
  • FD&CYELLOWNO1
  • EXTD&CYELLOWNO.7
  • DISODIUM 5,7-DINITRO-8-OXINDONAPHTHALENE ( ACID YE
  • Naphthol Yellow S Hydrate
  • NAPTHOL YELLOW S
  • 2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt, 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt, Acid Yellow 1, Flavianic acid sodium salt
  • Sulfur yellow S
  • 2,4-Dinitro-1-naphthol-7-sulfonic Acid Disodium Salt Disodium 2,4-Dinitro-1-naphthol-7-sulfonate Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt Flavianic Acid Disodium Salt Acid Yellow
  • Acid Yellow 1, Disodium 5,7-dinitro-8-oxidonaphthalene-2-sulphonate
  • 8-Hydroxy-5,7-dinitronaphthalene-2-sulfonic acid sodium salt
  • NAPHTHOL YELLOW
  • NAPHTHOL YELLOW S
  • NAPHTHOL YELLOW S SODIUM SALT
  • NAPHTHOL YELLOW SXX
  • NAPHTHALENE YELLOW
  • a.f.yellowno.1
  • acidleatheryellownys
  • c.i.acidyellow1
  • c.i.foodyellow1
  • dolkwalnaphtholyellows
  • edicolsuprayellowy
  • fdandcyellowno.1
  • hispacidyellownsf
  • japanyellow403-1
  • japanyellowno.403-1
  • javanaphtholyellows
  • kcanaphtholyellows
  • maplenaphtholyellows
  • nankainaphtholyellows
  • naphthollakeyellowfy
  • naphtholyellowl
  • naphtholyellowos
  • naphtholyellowpl
  • naphtholyellowrs
  • naphtholyellowsel12
  • naphtholyellowsfq
  • naphtholyellowsna
  • paperyellowl
  • rakutonaphtholyellows
  • sodiumflavianate
  • solaryellowny
  • solaryellowny,sodiumsalt
  • solaryellownyconc
  • transparentyellowlake16091
  • yellowlake71
  • yellowno.403
  • zlutkysela1
  • zlutnaftolovas
  • 1307yellow
  • 1422yellow
  • 2,4-Dinitro-1-naphthol-7-sulfo
  • 2,4-DINITRO-ALPHA-NAPHTHOL-7-SULFONIC ACID, NA SALT
  • 2,4-DINITRO-1-NAPHTHOL-7-SULFONIC ACID