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3270-25-5

3270-25-5

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  • 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(2-hydroxy-5-sulfophenyl)diazenyl]-, sodium salt (1:3) 3270-25-5

    Cas No: 3270-25-5

  • No Data

  • 1 Kilogram

  • 10000 Metric Ton/Month

  • Shanghai Upbio Tech Co.,Ltd
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3270-25-5 Usage

Preparation

3-Amino-4-hydroxybenzenesulfonic acid diazotization, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications

red light navy blue. Soluble in water and ethanol. In concentrated sulfuric acid to purple, dilution after blue light pink; In concentrated nitric acid for dark orange to yellow brown. Dye aqueous solution and sodium hydroxide as yellow solution. Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water Alkali Acid ISO 4-5 5 5 2-3 4-5 5 5

Standard

Ironing Fastness

Alkali

Acid

ISO

4-5

Check Digit Verification of cas no

The CAS Registry Mumber 3270-25-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,7 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3270-25:
(6*3)+(5*2)+(4*7)+(3*0)+(2*2)+(1*5)=65
65 % 10 = 5
So 3270-25-5 is a valid CAS Registry Number.

3270-25-5SDS

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 Acid chrome blue K

1.2 Other means of identification

Product number -
Other names Chrome Blue K

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:3270-25-5 SDS

3270-25-5Upstream product

3270-25-5Downstream Products

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