Direct Red 12b
Overview
Product sourcing insights & recommendations
Direct Red 12B, commonly identified by its Colour Index (C.I.) name Direct Red 31 (C.I. 29100), is a high-tinctorial-strength double azo dye known for its vibrant bluish-red hue. It is widely used in the textile, paper, and ink industries due to its cost-efficiency and simple single-bath application process. AtulAscent-Petrochem
Product Profile & Technical Specs
* Key Properties: Characterized as a red-brown powder with high migration and leveling properties. It turns orange-brown when exposed to Sodium Hydroxide and generates a dark blue-red precipitate in diluted Sulfuric Acid. ColorbloomdyesAscent-Petrochem
* Solubility: Highly water-soluble (approx. 45–60 g/L at 25–80°C), slightly soluble in alcohol, and insoluble in most organic solvents. ColorbloomdyesAscent-Petrochem
* Applications:
* Textiles: Primarily for cellulose fibers like cotton, viscose, and silk.
* Paper/Pulp: Used for uniform shading in pH ranges of 4–7.
* Inks: Common in aqueous markers and inkjet inks due to its fine particle size (≤20 μm). AtulAscent-Petrochem
Market Trends & Insights (2025–2026)
* Sustainable Sourcing: The global dyestuff market is projected to reach $15.2 billion by 2026 Datainsightsreports. For Direct Red 12B, the focus is shifting toward "eco-friendly" batches that comply with OEKO-TEX standards to reduce hazardous wastewater output. Ascent-Petrochem
* Supply Chain Resilience: Market leaders are emphasizing batch-to-batch repeatability and diversified supply lines to mitigate raw material price volatility, which has affected off-shade consistency in international fashion sourcing. Ascent-Petrochem
* Process Efficiency: A major driver is the dye's performance in single-bath conditions, which significantly lowers energy and water consumption compared to reactive dyes. Ascent-Petrochem
Sourcing & Pricing Reference
The wholesale market for Direct Red 12B/31 is currently dominated by Chinese and Indian manufacturers. Prices generally range from $2.00 to $5.50 per kilogram, depending on purity and order volume.
Direct Red 12b Dye Direct Red 31
Products · 2 lists
Direct Pink 12B Direct Red 12B Direct Red 31 for Cotton Printing
Cangzhou Xincheng Weiye Chemical Co., Ltd.🇨🇳CN16 yrs
Direct Pink 12B, Direct Red 31, C.I.29100, CAS 5001-72-9, Direct Dye, Water Soluble Direct Dyestuff Red Colorant, Cotton Dye
Guangdong Zhiyun Tiancheng New Materials Co., Ltd.🇨🇳CN4 yrs
Direct Pink 12B CI 29100 Direct Red 31 Water Soluble Pink Dye Powder for Textile Paper Leather Ink
HANGZHOU TIANKAI NEW MATERIAL CO.,LTDverified🇨🇳CN17 yrs
Direct Red 31 Red 12B CAS 5001-72-9 CI 29100 Textile Paper Dye Red Powder Shramik Chemicals
SHRAMIK CHEMICALS🇮🇳IN7 yrs
Direct Red 31 (Direct Pink 12B Direct Red 5B) RED POWDER Direct Dye for Paper & Textile Use
Dalian Huacheng Fine Chemical Co., Ltd.🇨🇳CN16 yrs
Direct Red 31 Direct RED 12B Dye Powder CAS 5001-72-9 CI 29100 (Direct Pink 12B) for Leather Textile and Paper Dyeing
Shijiazhuang Hedai Chemical Industry Trade Co., Ltd.🇨🇳CN3 yrs
Direct Red 31 CAS 5001-72-9 CI 29100 (Direct Pink 12B) for Leather Textile and Paper Dyeing
Waterborne Color Paste Color Mixing High Concentration Interior Wall and Exterior Wall Paint Latex Paint Color Paste
Tianjin Zhixiang Technology Development Co., Ltd.verified🇨🇳CN4 yrs
Direct Red 31.Paper ,Textile and Plastic Dyestuffs
Hebei Caiyi Import & Export Trade Co., Ltd.🇨🇳CN13 yrs
Direct Red 23 Dyestuff Manufacturer Lower Price Fabric Dye
Hangzhou Fucai Chem Co., Ltd.🇨🇳CN5 yrs
Direct Red 24 Direct Dye 99.9% Purity Technical Grade for Textile Paper Leather & Ink-CAS 6420-44-6
COLORANTS CHEM PRIVATE LIMITED🇮🇳IN5 yrs
Top Grade Direct Black 22 Solvent Dyes 25 KG Packing for Textiles Uses Indian Exporters Wholesale Prices
RED SUN DYE CHEM🇮🇳IN4 yrs
High Quality Direct Red 254 Dye for Cotton Fabric Textile Industry Bulk Supply from India Manufacturer
MEGHA INTERNATIONAL🇮🇳IN18 yrs
Tie Dye Powder 24 Colors Non-toxic Direct Dye Set for Fabric & Clothing Textile Dyestuffs OSBNG Brand 2g/bottle
Premium Direct Red 239 Dye Synthetic Red Colorant for Cotton, Silk, Wool and Mixed Fabric Applications
EMICHEM PRIVATE LIMITED🇮🇳IN4 yrs
Direct Red 80 High Purity Direct Textile Dye for Cotton Viscose Rayon Paper and Leather Industry Water Soluble Red Dye Powder
Crometic Colors Private Limited🇮🇳IN1 yr
High Quality Congo Red(Direct Red 4BE) for Cotton/viscose Fibre Dyeing
Tianjin Leading Import & Export Co., Ltd.🇨🇳CN14 yrs
Wholesale Good Quality DIRECT RED 227 LIGHT ROSE FR,CAS NO.12222-51-4,used for Textile Dye,leather Dye
Aweler International Trade Co., Ltd.🇨🇳CN8 yrs
Direct Red 23 for Cotton, Viscose, Leather and Silk Dyeing
Hangzhou Dimacolor Imp Exp Co., Ltd.🇨🇳CN13 yrs
High Quality Cotton Fabric Textile Dye Direct Fast Scarlet 4BS Direct Red 23 Powder for Efficient Dyeing of Cotton Fabrics
Xingtai Ouyang Chemical Co., Ltd.🇨🇳CN3 yrs
Direct Red 239 High Purity Direct Textile Dye for Cotton Viscose Rayon Paper and Leather Industry Water Soluble Red Dye Powder
Crometic Colors Private Limited🇮🇳IN1 yr
High Concentration Water Soluble Direct Red Dye Stable Industrial Dye for Leather Textile Printing Paper Coloring
Jinan Hongquan Titanium Industry Co., Ltd.🇨🇳CN7 yrs
Factory Wholesale Cotton Fabrics Textile Dyes Direct Fluorescent Direct Blend Brilliant Red D-GB Water-soluble Powder Dye
Xingtai Ouyang Chemical Co., Ltd.🇨🇳CN3 yrs
Wholesale Senzhuo High Quality Solvent Red 23 Basic Dye CAS 85-86-9 for Food Dyestuffs with Fast Delivery
Gree Industry Co., Ltd.🇨🇳CN3 yrs
Acid Red 362 Direct Dye Powder 99.9% Purity 98%-105% Strength Technical Grade for Textile Paper Leather Anodizing Applications
COLORANTS CHEM PRIVATE LIMITED🇮🇳IN5 yrs
Paper Red Colorant Sulphur Dyes 1031 Congo Red Direct Red 28 Top Grade High Quality Bulk South Africa
Paper Red Colorant Sulphur Dyes 1031 Congo Red Direct Red 28 Top Grade High Quality Bulk South Africa
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Sources & References
27 sources cited · Verified industry data & reports
Direct Red 12 B, Color strength: 100%, Powder
IndiaMART
Applications: Most suitable for dyeing of cellulosic fibers like cotton, flax, viscose rayon, acetate and jute. Applicable on Leather and Paper coloration.
Direct Fast Red 12B by Camex Limited - Paint & Coatings
UL Prospector
Direct Fast Red 12B is a direct dyestuff. It can be used to dye cotton. It can be used to dye cotton. They offer acid, direct, and reactive dyestuffs, in ...
Structure of Direct red 12B (C.I. No. 29100 Direct Red 31).
ResearchGate
This study aims to investigate the adsorption of methylene blue (MB) dye from aqueous solutions using SBA‐15 mesoporous material based on a symmetrical triblock ...
China Direct Red 12B Manufacturers, Suppliers, Factory
Wenzhou Color Bloom New Materials Co.,Ltd
1.Properties and Applications: colourful red blue light. Red brown powder. Soluble in water for product red solution, the solubility of 45 g ...
Dyes for textile applications - Synthesia
synthesia.eu
Direct Red 80 Direct Red … are soluble in the water with high affinity to cellulose fibers. They are recomended for exhaustion dyeing and can be combined. They ...
Classification and Examples of Direct Dyes - Skychem Group
skychemi.com
Direct dyes are primarily applied on cellulosics such as cotton, viscose, modal, and linen. Typical applications include woven and knit ...