Acid Blue 9 CAS 2650-18-2

Chemical Name: Acid Blue 9
CAS No.: 2650-18-2
Molecular Fomula: C37H34N2Na2O9S3
Molecular weight: 792.85
Appearance: Red purple to blue purple
Assay: ≥85%

  ... 正在查看此商品

  分享
Guaranteed Safe Checkout

Acid Blue 9 (CAS 2650-18-2) Technical Guide

Table of Contents

Product Specifications & Comparative Analysis

Parameter Specification Grade Comparison
Chemical Formula C37H34N2Na2O9S3 Industrial vs Food Grade
Molecular Weight 792.85 g/mol ±0.5% Tolerance
Appearance Blue-violet powder Powder vs Liquid Form
Solubility 50 g/L in water (90°C) Ethanol Compatibility
pH Sensitivity Color shift at pH >7 Metal Ion Effects

Industrial Applications

Textile Processing

Preferred dye for protein fibers with 98% fixation rate on wool substrates. Technical advantages include:

  • Superior lightfastness (Grade 4-5)
  • Wash resistance up to 60°C
  • Low chromium content (<0.1ppm)

Food & Cosmetic Additive

Certified colorant (E Number: E133) with strict impurity controls:

  • Heavy metals <10ppm
  • Arsenic content <1ppm
  • Microbiological compliance: USP <61>

Implementation Scenarios

Textile Batch Dyeing

Standard recipe for wool fabric (1% shade):

  1. 0.5% Acid Blue 9
  2. 4% Sodium sulfate
  3. pH 4.5-5.0 (acetic acid)
  4. 30:1 Liquor ratio
  5. 98°C × 60 minutes

Food Coloring Protocol

Maximum permitted levels (EU Regulation):

  • Confectionery: 500 mg/kg
  • Dairy products: 150 mg/kg
  • Beverages: 100 mg/L

Client Success Stories

Textile Manufacturer: Ningbo Yicang International

Implementation Results (2024 Q3):

  • 20% dye cost reduction vs traditional options
  • 15% improvement in color uniformity
  • Zero wastewater violations

Food Additive Supplier: Guangdong Wengjiang Chemical

Certification Milestones:

  • FDA 21 CFR 74.3103 compliance
  • EU EC 1333/2008 certification
  • ISO 9001:2015 quality system

Procurement Consultation

Technical Support Services:

  • Custom formulation development
  • Regulatory compliance consulting
  • Batch-to-batch consistency testing

Contact Technical Experts:
Email: info@vivalr.com
Tel: (86) 15866781826

0.00
0 条评论
5
0
4
0
3
0
2
0
1
0
成为第一个评论 “Acid Blue 9 CAS 2650-18-2”

您的邮箱地址不会被公开。 必填项已用 * 标注

这是必填栏。

这是必填栏。

这是必填栏。

评论

目前还没有评论。

类别 
我的购物车
愿望清单
最近浏览
类别
Wait! before you leave…
Get 30% off for your first order
CODE30OFFCopy to clipboard
Use above code to get 30% off for your first order when checkout
比较产品 (0 产品)