C.I.食物蓝2（CAS 2650-18-2）：分子式 C37H36N2O9S3.2H3N、分子量 783.0。
| CAS号 | 2650-18-2 |
|---|---|
| 分子式 | C37H36N2O9S3.2H3N |
| 分子量 | 783.0 |
| 应用领域 | 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、soap、indicator、Dye aqueous drug solutions and in hair rinses、Use Classification: Cosmetics -> Cosmetic colorant、Industry Uses: Dye、Consumer Uses: Dye、Pigment、Household Products: Information on 128 consumer products that contain Acid blue 9 dye (C.I. 42090) in the following categories is provided:、• Home Maintenance、• Inside the Home、• Personal Care、Methods of Manufacturing: Condensation of benzaldehyde-o-sulfonic acid with alpha-(N-ethylanilino)-toluenesulfonic acid (benzyl-ethylaniline-sulfonic acid)、Impurities: For drug and cosmetic grades: volatile matter (at 135 °C)、10.0% max、ammonium chlorides and sulfates、5.0% max、water-insoluble matter、1.0% max、mixed oxides、and ether extracts、0.5% max、Formulations、Preparations: Present at 0.001 wt% in a typical shampoo colorant、from table、U.S. Production: 2023: 75、000 - <500、000 lb、2022: 75、2021: 75、2020: 75、(1993) 1.492X10+6 kg、Total acid blue dyes、U.S. Exports: (1984) 7.40X10+8 g、Total acid dyes、General Manufacturing Information: Synthetic Dye and Pigment Manufacturing、Benzenemethanaminium、N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](2-sulfophenyl)methylene]-2、5-cyclohexadien-1-ylidene]-3-sulfo-、inner salt、ammonium salt (1:2): ACTIVE、Approved by FDA for use in food、drugs and cosmetics、excluding use in eye area |
登记用途：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、soap、indicator、Dye aqueous drug solutions and in hair rinses、Use Classification: Cosmetics -> Cosmetic colorant、Industry Uses: Dye、Consumer Uses: Dye、Pigment、Household Products: Information on 128 consumer products that contain Acid blue 9 dye (C.I. 42090) in the following categories is provided:、• Home Maintenance、• Inside the Home、• Personal Care、Methods of Manufacturing: Condensation of benzaldehyde-o-sulfonic acid with alpha-(N-ethylanilino)-toluenesulfonic acid (benzyl-ethylaniline-sulfonic acid)、Impurities: For drug and cosmetic grades: volatile matter (at 135 °C)、10.0% max、ammonium chlorides and sulfates、5.0% max、water-insoluble matter、1.0% max、mixed oxides、and ether extracts、0.5% max、Formulations、Preparations: Present at 0.001 wt% in a typical shampoo colorant、from table、U.S. Production: 2023: 75、000 - <500、000 lb、2022: 75、2021: 75、2020: 75、(1993) 1.492X10+6 kg、Total acid blue dyes、U.S. Exports: (1984) 7.40X10+8 g、Total acid dyes、General Manufacturing Information: Synthetic Dye and Pigment Manufacturing、Benzenemethanaminium、N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](2-sulfophenyl)methylene]-2、5-cyclohexadien-1-ylidene]-3-sulfo-、inner salt、ammonium salt (1:2): ACTIVE、Approved by FDA for use in food、drugs and cosmetics、excluding use in eye area。
C.I.食物蓝2 是一种化工化合物，登记 CAS 号为 2650-18-2，分子式 C37H36N2O9S3.2H3N（分子量 783.0）。
登记 CAS 号：2650-18-2
其分子式 C37H36N2O9S3.2H3N 由 37 个碳、39 个氢、3 个氮、9 个氧、3 个硫 组成。
别名/同义词：C.I.食物蓝2 · C.I. Food Blue 2 · Food Blue 2
C.I.食物蓝2 的 CAS 登记号为 2650-18-2。
分子式 C37H36N2O9S3.2H3N，分子量 783.0。
别名/同义词：C.I.食物蓝2、C.I. Food Blue 2、Food Blue 2。
登记用途：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、soap、indicator、Dye aqueous drug solutions and in hair rinses、Use Classification: Cosmetics -> Cosmetic colorant、Industry Uses: Dye、Consumer Uses: Dye、Pigment、Household Products: Information on 128 consumer products that contain Acid blue 9 dye (C.I. 42090) in the following categories is provided:、• Home Maintenance、• Inside the Home、• Personal Care、Methods of Manufacturing: Condensation of benzaldehyde-o-sulfonic acid with alpha-(N-ethylanilino)-toluenesulfonic acid (benzyl-ethylaniline-sulfonic acid)、Impurities: For drug and cosmetic grades: volatile matter (at 135 °C)、10.0% max、ammonium chlorides and sulfates、5.0% max、water-insoluble matter、1.0% max、mixed oxides、and ether extracts、0.5% max、Formulations、Preparations: Present at 0.001 wt% in a typical shampoo colorant、from table、U.S. Production: 2023: 75、000 - <500、000 lb、2022: 75、2021: 75、2020: 75、(1993) 1.492X10+6 kg、Total acid blue dyes、U.S. Exports: (1984) 7.40X10+8 g、Total acid dyes、General Manufacturing Information: Synthetic Dye and Pigment Manufacturing、Benzenemethanaminium、N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](2-sulfophenyl)methylene]-2、5-cyclohexadien-1-ylidene]-3-sulfo-、inner salt、ammonium salt (1:2): ACTIVE、Approved by FDA for use in food、drugs and cosmetics、excluding use in eye area。
C.I.食物蓝2（CAS 2650-18-2）的独立参考数据，整理自公开化学数据库。
| 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 |
| 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 |
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
| Regulatory & Food Contact | CIR / INCI: Cosmetic colorant |
|---|---|
| GHS notification summary | 61.3% (166 / 271) |
| 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]
Food Blue 2 · CAS 2650-18-2 · C37H36N2O9S3.2H3N. UNII 86R7G3C26F.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: C.I. Food Blue 2