C.I.颜料红4

Name: C.I.颜料红4
Brand: 济南圣和化工有限公司

CAS 2814-77-9C16H10ClN3O3MW 327.72

济南圣和化工主营供应 C.I.颜料红4（CAS 2814-77-9），归类于染料及颜料，分子式 C16H10ClN3O3，分子量 327.72。我们面向国内化工贸易与生产企业提供稳定的现货供应，报价响应快，支持对公转账并可开具增值税发票。

产品概览

CAS号	2814-77-9
分子式	C16H10ClN3O3
分子量	327.72
熔点	276 °C
LogP	5
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	染料及颜料
类别	染料及颜料

应用领域

染料及颜料

该产品的下游应用集中在染料及颜料。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.颜料红4 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

济南圣和化工有限公司位于山东济南，主营化工原料供应，精选产品 2,000+ 种，覆盖有机化学品、无机化学品、食品添加剂、医药中间体等 12 大分类。我们随货提供 COA 分析证书，一个工作日内回复报价，欢迎国内外采购方长期合作。

常见问题

C.I.颜料红4 的 CAS 号是多少？

C.I.颜料红4 的 CAS 号为 2814-77-9。

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.颜料红4 有什么用途？

主要应用于染料及颜料。

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

C.I. Pigment Red 4 · CAS 2814-77-9 · C16H10ClN3O3. UNII OE8ZA0KN9Z. Melting Point: 276 °C; Color Additive Status: 74.1336; Color Additive Status: 74.2336.

Identification

CAS Registry Number	2814-77-9
PubChem CID	17778
Molecular formula	C16H10ClN3O3
IUPAC name	1-[(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol
UNII (FDA)	OE8ZA0KN9Z

Computed Descriptors

Molecular Weight	327.72
XLogP3	5
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	2
Exact Mass	327.0410689
Monoisotopic Mass	327.0410689
Topological Polar Surface Area	90.8
Heavy Atom Count	23
Formal Charge	0

Physical & Chemical Properties

Melting Point	276 °C
Color Additive Status	74.1336
Color Additive Status	74.2336
Color Additive Status	82.1336

Physical description & handling notes

CBI
Intense yellowish red
When heated to decomposition it emits toxic fumes of Cl- and NOx.
D&C Red No. 36
Drugs, Cosmetics
Ingested drugs, other than mouthwashes and dentrifices, NTE 1.7 mg daily dose for drugs taken less than 1 yr; NTE 1.0 mg/daily dose for drugs taken more than 1 yr.mouthwashes and dentrifices. Externally applied drugs. Externally applied cosmetics; cosmetic lip products (NTE 3% (by wt) of finished cosmetic product).

Regulatory Status

Regulatory & Food Contact	FDA Regulatory Status of Color Additives: Drugs, Cosmetics CIR / INCI: Hair dyeing; Cosmetic colorant
GHS notification summary	87.1% (270 / 310)

GHS Hazard Classification

GHS notification summary	87.1% (270 / 310)
Reported hazard statements	H319 (12.9%), H413 (12.3%)

This chemical does not meet GHS hazard criteria for 87.1% (270 of 310) of all reports.

H319 (12.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Documented Uses

Pigment in cosmetic lip products only 3% w/w max ; externally applied cosmetics only
Used in some inks and in low cost articles such as detergents, floor polishes, colored pencils
Pigment (printing inks, resins, paper, cosmetics)
Cosmetics -> Hair dyeing; Cosmetic colorant
Plastics -> Polymer Type -> N.a.
Cosmetics product ingredient: 2-Naphthalenol, 1-[(2-chloro-4-nitrophenyl)azo]- (Red 36; Pigment red 4; CI 12085; Aka228)

Synonyms

1-((2-Chloro-4-nitrophenyl)azo)-2-naphthol; 1-[(2-Chloro-4-nitrophenyl)azo]-2-naphthol; 220-562-2; RefChem:572551; 2814-77-9; D and C Red No. 36; D&C Red No. 36; CI 12085; OE8ZA0KN9Z; Flaming Red; Permanent Red R; 2-Naphthalenol, 1-((2-chloro-4-nitrophenyl)azo)-; Carnelio Red R; MFCD00059095; 1-[(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol; Flame tones

Frequently Asked Questions

What are the CAS number and molecular formula of C.I. Pigment Red 4?

CAS 2814-77-9; molecular formula C16H10ClN3O3; molecular weight — g/mol.

What other names is C.I. Pigment Red 4 known by?

1-((2-Chloro-4-nitrophenyl)azo)-2-naphthol, 1-[(2-Chloro-4-nitrophenyl)azo]-2-naphthol, 220-562-2, RefChem:572551, 2814-77-9, D and C Red No. 36.

What is the regulatory status of C.I. Pigment Red 4?

Documented regulatory listings: FDA Regulatory Status of Color Additives: Drugs, Cosmetics; CIR / INCI: Hair dyeing; Cosmetic colorant.

Is C.I. Pigment Red 4 classified as hazardous?

87.1% of GHS notifications report no hazard classification (270 of 310).

What are the key physical properties of C.I. Pigment Red 4?

Melting Point: 276 °C; Color Additive Status: 74.1336; Color Additive Status: 74.2336; Color Additive Status: 82.1336.

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.