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2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21817-66-3

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Basic information
1. Product Name: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-
2. Synonyms:
3. CAS NO:21817-66-3
4. Molecular Formula: C16H12N4O9S2
5. Molecular Weight: 468.425
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 21817-66-3.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-(CAS DataBase Reference)
10. NIST Chemistry Reference: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-(21817-66-3)
11. EPA Substance Registry System: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-(21817-66-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 21817-66-3(Hazardous Substances Data)

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21817-66-3 Usage

Functional Groups

Naphthalene
Sulfonic acid
Amino
Hydroxy
Azo

Appearance

Bright orange to red powder

Solubility

Water-soluble

Uses

pH indicator
Production of dyes (due to its azo dye properties)
Medical diagnostics (for detecting kidney and liver diseases)

Check Digit Verification of cas no

The CAS Registry Mumber 21817-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,1 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21817-66:
(7*2)+(6*1)+(5*8)+(4*1)+(3*7)+(2*6)+(1*6)=103
103 % 10 = 3
So 21817-66-3 is a valid CAS Registry Number.

21817-66-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name	4-amino-5-hydroxy-3-(4-nitro-phenylazo)-naphthalene-2,7-disulfonic acid

1.2 Other means of identification

Product number	-
Other names	(4-Nitro-benzol)-(1 azo 7)-(8-amino-naphthol-(1)-disulfonsaeure-(3.6))

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:21817-66-3 SDS

21817-66-3Upstream product

21817-66-3Downstream Products

21817-66-3Relevant academic research and scientific papers

REACTIVE POLYAZO DYES

-

Page/Page column 19, (2010/11/08)

The invention relates to the polyazo dyes of formula (I), wherein the variables are defined as in claim 1. The invention also relates to methods for producing said dyes and to their use for dyeing or printing on hydroxy and/or carbonamide group-containing materials.

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