Skip to main content

4-Aminoazobenzene hydrochloride

Also known as: Solvent Yellow 1, p-Aminoazobenzene hydrochloride, 4-(Phenylazo)aniline hydrochloride, 4-Phenylazoaniline hydrochloride, C.I. Solvent Yellow 1, monohydrochloride, 4-[(E)-phenyldiazenyl]aniline hydrochloride, p-(phenylazo)aniline hydrochloride, Benzenamine, 4-[(E)-2-phenyldiazenyl]-, hydrochloride (1:1)

4-Aminoazobenzene hydrochloride (CAS 3457-98-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H12ClN3 and a molecular weight of 233.69 g/mol. Key properties include a melting point of 213 °C, a boiling point of 360.7ºC at 760mmHg and a flash point of 171.9ºC. It is listed by 1 supplier, from 1.84 to 2.20 CNY. Record last updated Aug 21, 2026.

CAS No.
3457-98-5
Jingsj CID
J-1106491-2
Molecular Formula
C12H12ClN3
Molecular Weight
233.69 g/mol
Category
Organic Acids
Last updated
8/21/2026
In Stock

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
Made to Order
99%
500g
¥920.00
$0.28 /gBest
¥1.84/g CNY
CN China
MOQ 5g
In Stock
95%
50g
¥100.00
$0.3 /g
¥2.00/g CNY
CN China
MOQ 25g
Made to Order
99%
100g
¥220.00
$0.33 /g
¥2.20/g CNY
CN China
MOQ 25g

Physicochemical Properties

Melting Point213 °C
Boiling Point360.7ºC at 760mmHg
Flash Point171.9ºC
Exact Mass233.071976
PSA50.74000
LogP5.06740
SMILESC1=CC=C(C=C1)N=NC2=CC=C(C=C2)N.Cl
InChIKeyWMNTYZIRLUBHEE-UHFFFAOYSA-N
InChI:1S/C12H11N3.ClH/c13-10-6-8-12(9-7-10)15-14-11-4-2-1-3-5-11;/h1-9H,13H2;1H

Customs & Trade Information

HS Code2927000090
Summary2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Aminoazobenzene hydrochloride?

The CAS number of 4-Aminoazobenzene hydrochloride is 3457-98-5.

What are the molecular formula and molecular weight of 4-Aminoazobenzene hydrochloride?

4-Aminoazobenzene hydrochloride has molecular formula C12H12ClN3 and molecular weight 233.69 g/mol.

Which suppliers offer 4-Aminoazobenzene hydrochloride?

1 supplier(s) listed; reference unit price ¥1.84–2.20 /g.

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

Last updated:

How to cite: Jingsj. "4-Aminoazobenzene hydrochloride (CAS 3457-98-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106491-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.