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2-Naphthalenol, 1-[(4-butylphenyl)azo]- is an organic compound characterized by its molecular formula C20H18N2O. This azo dye is derived from 2-naphthol and 4-butylaniline, featuring a naphthalene ring with a hydroxyl group at the 2-position and an azo group (-N=N-) connecting it to a 4-butylphenyl group. The compound is known for its color properties and is used in various applications, such as in the dyeing and printing industries. It is important to note that due to its chemical structure, it may have potential health and environmental impacts, and appropriate safety measures should be taken during its handling and use.

3181-28-0

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Basic information
1. Product Name: 2-Naphthalenol, 1-[(4-butylphenyl)azo]-
2. Synonyms:
3. CAS NO:3181-28-0
4. Molecular Formula: C20H20N2O
5. Molecular Weight: 304.392
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 3181-28-0.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-Naphthalenol, 1-[(4-butylphenyl)azo]-(CAS DataBase Reference)
10. NIST Chemistry Reference: 2-Naphthalenol, 1-[(4-butylphenyl)azo]-(3181-28-0)
11. EPA Substance Registry System: 2-Naphthalenol, 1-[(4-butylphenyl)azo]-(3181-28-0)
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: 3181-28-0(Hazardous Substances Data)

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3181-28-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3181-28-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,8 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3181-28:
(6*3)+(5*1)+(4*8)+(3*1)+(2*2)+(1*8)=70
70 % 10 = 0
So 3181-28-0 is a valid CAS Registry Number.

3181-28-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name	1-[(4-butylphenyl)hydrazinylidene]naphthalen-2-one

1.2 Other means of identification

Product number	-
Other names	-

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:3181-28-0 SDS

3181-28-0Upstream product

135-19-3 β-naphthol

3181-28-0Downstream Products

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