Variamine Blue B Sulfate

变胺蓝B硫酸盐

Also known as: N-(4-Methoxyphenyl)-1,4-benzenediamine sulfate (1:1), N-(4-Methoxyphenyl)-1,4-phenylenediamine sulfate, 4-Amino-4'-methoxydiphenylamine sulfate, N-(p-Methoxyphenyl)-p-phenylenediamine sulfate, 1,4-Benzenediamine, N-(4-methoxyphenyl)-, sulfate (1:1), p-Phenylenediamine, N-(p-methoxyphenyl)-, sulfate (1:1)

Variamine Blue B Sulfate (CAS 3169-21-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H16N2O5S and a molecular weight of 312.34200 g/mol. It is also known as N-(4-Methoxyphenyl)-1,4-benzenediamine sulfate (1:1), N-(4-Methoxyphenyl)-1,4-phenylenediamine sulfate and 4-Amino-4'-methoxydiphenylamine sulfate. Key properties include a boiling point of 388.7ºC at 760 mmHg and a flash point of 188.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3169-21-9
Jingsj CID
J-37500-5
Molecular Formula
C13H16N2O5S
Chinese Name
变胺蓝B硫酸盐
Molecular Weight
312.34200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point388.7ºC at 760 mmHg
Flash Point188.9ºC

Frequently Asked Questions

What is the CAS number of Variamine Blue B Sulfate?

The CAS number of Variamine Blue B Sulfate is 3169-21-9.

What are the molecular formula and molecular weight of Variamine Blue B Sulfate?

Variamine Blue B Sulfate has molecular formula C13H16N2O5S and molecular weight 312.34200 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Variamine Blue B Sulfate (CAS 3169-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37500-5 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.