Acid Orange 3

Name: Acid Orange 3
Brand: 济南圣和化工有限公司

CAS 6373-74-6C18H13N4NaO7SMW 452.4

本页收录 Acid Orange 3，CAS 登记号为 6373-74-6，分子式 C18H13N4NaO7S，分子量 452.4，归类于Dyes & Pigments。作为主营产品之一，济南圣和化工有限公司可提供从公斤级到吨级的稳定供货，随货附 COA 与质检资料。

产品概览

CAS号	6373-74-6
分子式	C18H13N4NaO7S
分子量	452.4
熔点	399 to 403 °F (NTP, 1992)
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	Dyes & Pigments
类别	Dyes & Pigments

应用领域

Dyes & Pigments

Acid Orange 3的核心用途是Dyes &amp，同时在Pigments等方向也有成熟应用。不同用途对纯度与杂质指标的要求不同，建议在采购前与我们的技术团队确认规格细节。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

供应说明：Acid Orange 3 常规包装为按订单/批次确认(不公开发布)，储存时应密封置于阴凉干燥处，避免与氧化剂混放。济南圣和化工有限公司支持国内物流发货，大货交期与运费以订单确认为准。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除 Acid Orange 3 外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

Acid Orange 3 的 CAS 号是多少？

Acid Orange 3 的 CAS 号为 6373-74-6。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

Acid Orange 3 有什么用途？

主要应用于Dyes & Pigments。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

yellow ea · CAS 6373-74-6 · C18H13N4NaO7S. UNII P0XV7XM57J. Melting Point: 399 to 403 °F (NTP, 1992); Solubility: 1 to 10 mg/mL at 77 °F (NTP, 1992).

Identification

CAS Registry Number	6373-74-6
PubChem CID	5284435
Molecular formula	C18H13N4NaO7S
IUPAC name	sodium 2-anilino-5-(2,4-dinitroanilino)benzenesulfonate
UNII (FDA)	P0XV7XM57J

Computed Descriptors

Molecular Weight	452.4
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	9
Rotatable Bond Count	4
Exact Mass	452.04026422
Monoisotopic Mass	452.04026422
Topological Polar Surface Area	181
Heavy Atom Count	31
Formal Charge	0
Complexity	698

Physical & Chemical Properties

Melting Point	399 to 403 °F (NTP, 1992)
Solubility	1 to 10 mg/mL at 77 °F (NTP, 1992)

Physical description & handling notes

C.i. acid orange 3 is a brown to dark brown microcrystalline powder. (NTP, 1992)
Dark orange-brown solid; [HSDB]
Dark orange-brown microcrystals
Very soluble in water and ethanol

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Acid Orange 3) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Hair dyeing
GHS notification summary	22.1% (49 / 222)

GHS Hazard Classification

GHS notification summary	22.1% (49 / 222)
Reported hazard statements	H315 (13.1%), H317 (42.8%), H318 (17.1%), H319 (18%), H335 (13.1%)

This chemical does not meet GHS hazard criteria for 22.1% (49 of 222) of reports.

H315 (13.1%): Causes skin irritation [Warning Skin corrosion/irritation]

Documented Uses

Used to dye wool, nylon, silk, acetate, and leather; Also used in soaps, wood stains, and hair coloring products; [HSDB]
Leather Tanning and Processing [Category: Industry]
Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
Dressing Hair [Category: Other]
DYE FOR WOOL, NYLON, SILK AND LEATHER; SHADING COMPONENT IN SOAPS AND WOOD STAINS (LIMITED USE)
Information on 1 consumer products that contain C.I. Acid Orange 3 in the following categories is provided:

Synonyms

Acid Orange 3; C.I. Acid Orange 3; 6373-74-6; Amido yellow EA; Amido Yellow E; Acid Yellow E; Airedale Yellow E; CI 10385; DTXSID1021081; Sodium 2-anilino-5-(2,4-dinitroanilino)benzenesulphonate; P0XV7XM57J; sodium;2-anilino-5-(2,4-dinitroanilino)benzenesulfonate; Acid Orange 3, Technical Grade; Benzenesulfonic acid, 5-((2,4-dinitrophenyl)amino)-2-(phenylamino)-, monosodium salt; Derma Yellow P; Fenalan Yellow E

Frequently Asked Questions

What are the CAS number and molecular formula of yellow ea?

CAS 6373-74-6; molecular formula C18H13N4NaO7S; molecular weight — g/mol.

What other names is yellow ea known by?

Acid Orange 3, C.I. Acid Orange 3, 6373-74-6, Amido yellow EA, Amido Yellow E, Acid Yellow E.

What is the regulatory status of yellow ea?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Acid Orange 3) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Hair dyeing.

Is yellow ea classified as hazardous?

22.1% of GHS notifications report no hazard classification (49 of 222).

What are the key physical properties of yellow ea?

Melting Point: 399 to 403 °F (NTP, 1992); Solubility: 1 to 10 mg/mL at 77 °F (NTP, 1992).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.