Basic information

Product Name: 1-Naphthalenesulfonic acid, 4-hydroxy-3-[(3-hydroxy-4-oxo-1(4H)-naphthalenylidene)amino]-
Synonyms:
CAS NO:87491-44-9
Molecular Formula: C20H13NO6S
Molecular Weight: 395.392
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 1-Naphthalenesulfonic acid, 4-hydroxy-3-[(3-hydroxy-4-oxo-1(4H)-naphthalenylidene)amino]-(CAS DataBase Reference)
NIST Chemistry Reference: 1-Naphthalenesulfonic acid, 4-hydroxy-3-[(3-hydroxy-4-oxo-1(4H)-naphthalenylidene)amino]-(87491-44-9)
EPA Substance Registry System: 1-Naphthalenesulfonic acid, 4-hydroxy-3-[(3-hydroxy-4-oxo-1(4H)-naphthalenylidene)amino]-(87491-44-9)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 87491-44-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 87491-44-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,9 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87491-44:
(7*8)+(6*7)+(5*4)+(4*9)+(3*1)+(2*4)+(1*4)=169
169 % 10 = 9
So 87491-44-9 is a valid CAS Registry Number.

87491-44-9SDS

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	4-Hydroxy-3-[3-hydroxy-4-oxo-4H-naphthalen-(1Z)-ylideneamino]-naphthalene-1-sulfonic acid

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:87491-44-9 SDS

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87491-44-9Relevant academic research and scientific papers

ON THE REACTION OF PRIMARY ALIPHATIC AMINES WITH 1,2-NAPHTHOQUINONE-4-SULFONIC ACID

Hartke, Klaus,Lohmann, Ulrike

, p. 693 - 696 (2007/10/02)

Primary amines react with 1,2-naphthoquinone-4-sulfonic acid to form violet dyes in a complex redox reaction.Their general structure 6 has been established by an independent synthesis.

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