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6-hydroxy-5-[(4-sulphophenyl)azo]naphthalene-2-sulphonic acid is a complex organic compound with the molecular formula C16H11N2O7S3. It is characterized by a naphthalene ring structure, which includes a hydroxyl group at the 6-position and a sulfonic acid group at the 2-position. The molecule also features an azo group (-N=N-) connecting the naphthalene ring to a 4-sulfonatophenyl group. 6-hydroxy-5-[(4-sulphophenyl)azo]naphthalene-2-sulphonic acid is known for its chromogenic properties, which means it can change color in response to certain conditions, making it potentially useful in analytical chemistry and as a dye. Its sulfonic acid groups contribute to its water solubility and its ability to form salts, which can be important for its applications in various chemical processes.

5859-11-0

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5859-11-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5859-11-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,5 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5859-11:
(6*5)+(5*8)+(4*5)+(3*9)+(2*1)+(1*1)=120
120 % 10 = 0
So 5859-11-0 is a valid CAS Registry Number.
InChI:InChI=1/C16H12N2O7S2/c19-15-8-1-10-9-13(27(23,24)25)6-7-14(10)16(15)18-17-11-2-4-12(5-3-11)26(20,21)22/h1-9,17H,(H,20,21,22)(H,23,24,25)/b18-16+

5859-11-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name FD and C Yellow No. 6

1.2 Other means of identification

Product number -
Other names 6-hydroxy-5-(4-sulfo-phenylazo)-naphthalene-2-sulfonic acid

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:5859-11-0 SDS

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