红2G

Name: 红2G
Brand: 济南圣和化工有限公司

CAS 3734-67-6C18H13N3Na2O8S2MW 509.4

济南圣和化工有限公司现供应着色剂——红2G（CAS 3734-67-6），分子式 C18H13N3Na2O8S2，分子量 509.4。本页理化参数仅供参考，实际常规纯度按批次COA提供(不公开发布)，以批次 COA 及订单确认为准，支持批量采购与长期供货协议。

产品概览

CAS号	3734-67-6
分子式	C18H13N3Na2O8S2
分子量	509.4
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	着色剂；食品添加剂
类别	着色剂\|食品添加剂

应用领域

着色剂；食品添加剂

红2G的核心用途是着色剂，同时在食品添加剂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

供货能力：红2G 备有现货，包装形式为按订单/批次确认(不公开发布)。我们支持对公转账并开具增值税发票，山东省内可安排快速配送，省外按物流时效发货，具体请联系 info@591daili.com。

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。除红2G 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

红2G 的 CAS 号是多少？

红2G 的 CAS 号为 3734-67-6。

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。

红2G 有什么用途？

主要应用于着色剂；食品添加剂。

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

Red 2G · CAS 3734-67-6 · C18H13N3Na2O8S2. UNII 3365R6427R. Color Additive Status: 81.30.

Identification

CAS Registry Number	3734-67-6
PubChem CID	19522
Molecular formula	C18H13N3Na2O8S2
IUPAC name	disodium;5-acetamido-4-hydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonate
UNII (FDA)	3365R6427R

Computed Descriptors

Molecular Weight	509.4
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	10
Rotatable Bond Count	3
Exact Mass	508.99394529
Monoisotopic Mass	508.99394529
Topological Polar Surface Area	205
Heavy Atom Count	33
Formal Charge	0
Complexity	863

Physical & Chemical Properties

Color Additive Status	81.30

Physical description & handling notes

Liquid; Wet Solid
Ext. D&C Red No. 11
None
formerly External Drugs, External Cosmetics

Regulatory Status

Regulatory & Food Contact	COLOUR: Food Additives AZOGERANINE JECFA ADI: 0-0.1 mg/kg bw Not re-evaluated by JECFA, but the provisions for Red 2G was withdrawn at CCFA50. TRS 669-JECFA 25/20 FAS 16-JECFA 25/169
GHS notification summary	94.7% (2096 / 2214)

GHS Hazard Classification

GHS notification summary	94.7% (2096 / 2214)

This chemical does not meet GHS hazard criteria for 94.7% (2096 of 2214) of all reports.

Reported as not meeting GHS hazard criteria by 2096 of 2214 companies (only 5.3% companies provided GHS information). For more detailed information, please visit ECHA C&L website.

Documented Uses

Food Additives -> COLOUR -> JECFA Functional Classes
Information on 2 consumer products that contain CI 18050 in the following categories is provided:
2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2): ACTIVE

Synonyms

3734-67-6; Red 2G; C.I. Acid Red 1; Lissamine Red 2G; C. I. Food Red 10; 1379 Red; DTXSID9044663; CI 18050; 3365R6427R; DTXCID7024663; azofloxin; RefChem:572118; Acid red 1; Azophloxine; Acid Red 2G; Amido Naphthol Red G

Frequently Asked Questions

What are the CAS number and molecular formula of Red 2G?

CAS 3734-67-6; molecular formula C18H13N3Na2O8S2; molecular weight — g/mol.

What other names is Red 2G known by?

3734-67-6, Red 2G, C.I. Acid Red 1, Lissamine Red 2G, C. I. Food Red 10, 1379 Red.

What is the regulatory status of Red 2G?

Documented regulatory listings: COLOUR: Food Additives; AZOGERANINE; JECFA ADI: 0-0.1 mg/kg bw.

Is Red 2G classified as hazardous?

94.7% of GHS notifications report no hazard classification (2096 of 2214).

What are the key physical properties of Red 2G?

Color Additive Status: 81.30.

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.

红2G