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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

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
94657
Advantage
76
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
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44688
Advantage
61
Shanghai Longsheng chemical Co.,Ltd.
Tel
021-58099652-8005 13585536065
Fax
021-58099609
Email
bin.wu@shlschem.com
Country
China
ProdList
9809
Advantage
59
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18738
Advantage
57
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400 638 7771
Email
sales@heowns.com
Country
China
ProdList
14435
Advantage
57
Maya High Purity Chemicals
Tel
+86 (573) 82222445 (0)18006601000 452520369
Fax
+86 (573) 82222643
Email
sales@maya-r.com
Country
China
ProdList
11707
Advantage
57
Spectrum Chemical Manufacturing Corp.
Tel
021-021-021-67601398-809-809-809 15221380277
Fax
021-57711696
Email
marketing_china@spectrumchemical.com
Country
China
ProdList
9658
Advantage
60
TOKYO CHEMICAL INDUSTRY CO., LTD.
Tel
03-36680489
Fax
03-3668-0520
Email
Sales-JP@TCIchemicals.com
Country
Japan
ProdList
28387
Advantage
80
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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

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