C.I.食物蓝2

Name: C.I.食物蓝2
Brand: 济南圣和化工有限公司

CAS 2650-18-2C37H36N2O9S3.2H3NMW 783.0

C.I.食物蓝2（CAS 2650-18-2）属食品及饲料添加剂类产品，分子式 C37H36N2O9S3.2H3N，分子量 783.0。济南圣和化工有限公司常年现货供应该产品，常规纯度按批次COA提供(不公开发布)，可按客户需求安排分装包装，欢迎邮件或来电询价。

产品概览

CAS号	2650-18-2
分子式	C37H36N2O9S3.2H3N
分子量	783.0
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	食品及饲料添加剂
类别	食品及饲料添加剂

应用领域

食品及饲料添加剂

该产品的下游应用集中在食品及饲料添加剂。不同客户工艺差异较大，我们支持按需提供样品与小批量试用。

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：C.I.食物蓝2 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

选择济南圣和化工有限公司的理由：产品信息透明（含 CAS、分子式、理化参数）、报价响应快（一个工作日内）、单证齐全（COA/MSS/质检资料按需提供）、支持批量与长期协议供货。如需 C.I.食物蓝2 以外的配套原料，也欢迎一并列出需求清单。

常见问题

C.I.食物蓝2 的 CAS 号是多少？

C.I.食物蓝2 的 CAS 号为 2650-18-2。

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。

C.I.食物蓝2 有什么用途？

主要应用于食品及饲料添加剂。

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

Food Blue 2 · CAS 2650-18-2 · C37H36N2O9S3.2H3N. UNII 86R7G3C26F.

Identification

CAS Registry Number	2650-18-2
PubChem CID	17559
Molecular formula	C37H36N2O9S3.2H3N
IUPAC name	diazanium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
UNII (FDA)	86R7G3C26F

Computed Descriptors

Molecular Weight	783.0
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	10
Rotatable Bond Count	9
Exact Mass	782.21139245
Monoisotopic Mass	782.21139245
Topological Polar Surface Area	205
Heavy Atom Count	53
Formal Charge	0
Complexity	1510

Physical description & handling notes

Wet Solid; Dry Powder; Liquid
Solid; [MSDSonline]
Reddish-violet powder or granules with a metallic lustre /sodium salt/
Soluble in water (5% at 20 °C and 98 °C) and in ethanol
STABILITY OF LIQ FORMULATIONS CONTAINING BRILLIANT BLUE FCF (7-11.5 MO PERIOD) DECR AT AMBIENT TEMP; MOST IMPORTANT FACTOR DIFFUSE LIGHT
Present at 0.001 wt% in a typical shampoo colorant /from table/

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic colorant
GHS notification summary	61.3% (166 / 271)

GHS Hazard Classification

GHS notification summary	61.3% (166 / 271)
Reported hazard statements	H319 (38.4%)

This chemical does not meet GHS hazard criteria for 61.3% (166 of 271) of all reports.

H319 (38.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Documented Uses

Used as a dye (wool, silk, nylon, paper, hair rinses, drug solutions, and soap), wood stain, biological stain, and indicator; [HSDB]
Pulp and Paper Processing [Category: Industry]
Painting (Pigments, Binders, and Biocides) [Category: Paint]
Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
Dressing Hair [Category: Other]
Dyeing wool, silk, nylon, paper, soap; wood stain; biological stain; indicator

Synonyms

C.I. Acid Blue 9; Erioglaucine A; Alphazurine FG; Erioglaucine; Erioglaucine E; Japan Blue 205; Alphazurine FGND; Neptune Blue WF; Fenazo Blue XR; Patent Blue AE; Calcocid Blue EG; Kiton Blue AR; Xylene Blue VSG; Neptune Blue BRA; Patent Blue 2Y; Calcocid Blue 2G

Frequently Asked Questions

What are the CAS number and molecular formula of Food Blue 2?

CAS 2650-18-2; molecular formula C37H36N2O9S3.2H3N; molecular weight — g/mol.

What other names is Food Blue 2 known by?

C.I. Acid Blue 9, Erioglaucine A, Alphazurine FG, Erioglaucine, Erioglaucine E, Japan Blue 205.

What is the regulatory status of Food Blue 2?

Documented regulatory listings: CIR / INCI: Cosmetic colorant.

Is Food Blue 2 classified as hazardous?

61.3% of GHS notifications report no hazard classification (166 of 271).

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.