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p-Amino-4,2'-azotoluene, also known as 4-amino-2'-azotoluene or 4-amino-2-methylazobenzene, is an organic compound with the chemical formula C14H14N4. It is a derivative of azobenzene, featuring an amino group (-NH2) attached to the para position of one benzene ring and a methyl group (-CH3) on the ortho position of the other benzene ring. This yellow crystalline solid is used as an intermediate in the synthesis of various azo dyes and pigments, which are widely employed in the textile, plastics, and printing industries. Due to its potential health and environmental risks, handling and disposal of p-Amino-4,2'-azotoluene must be done with proper safety measures and in compliance with local regulations.

3963-79-9

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Basic information
1. Product Name: p-Amino-4，2′-azotoluene
2. Synonyms: p-Amino-4，2′-azotoluene;4′-Amino-4，2′-azotoluene;4,2'-Dimethylazobenzen-4'-amine;4-Amino-2,4'-dimethylazobenzene;4-(p-Tolylazo)-m-toluidine;Benzenamine, 3-methyl-4-((4-methylphenyl)azo)- (9ci);Brn 0746646;m-Toluidine, 4-(p-tolylazo)-
3. CAS NO:3963-79-9
4. Molecular Formula: C₁₄H₁₅N₃
5. Molecular Weight: 225.32
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 3963-79-9.mol
Chemical Properties
1. Melting Point: 127°C
2. Boiling Point: 356.8°C (rough estimate)
3. Flash Point: 194.5°C
4. Appearance: /
5. Density: 1.1303 (rough estimate)
6. Vapor Pressure: 1.52E-06mmHg at 25°C
7. Refractive Index: 1.5770 (estimate)
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: p-Amino-4，2′-azotoluene(CAS DataBase Reference)
11. NIST Chemistry Reference: p-Amino-4，2′-azotoluene(3963-79-9)
12. EPA Substance Registry System: p-Amino-4，2′-azotoluene(3963-79-9)
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: 3963-79-9(Hazardous Substances Data)

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3963-79-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3963-79-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,6 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3963-79:
(6*3)+(5*9)+(4*6)+(3*3)+(2*7)+(1*9)=119
119 % 10 = 9
So 3963-79-9 is a valid CAS Registry Number.

InChI:InChI=1/C14H15N3/c1-10-3-6-13(7-4-10)16-17-14-8-5-12(15)9-11(14)2/h3-9H,15H2,1-2H3/b17-16+

3963-79-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name	3-methyl-4-[(4-methylphenyl)diazenyl]aniline

1.2 Other means of identification

Product number	-
Other names	Benzenamine,3-methyl-4-((4-methylphenyl)azo)

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:3963-79-9 SDS

3963-79-9Upstream product

3963-79-9Downstream Products

95-70-5 2-methyl-p-phenylenediamine

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