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CAS 82-46-2 1.5-Dichloroanthraquinone
Overview
1,5-Dichloroanthraquinone (also 1,5-dichloro-9,10-anthraquinone; 1,5-DCAQ; CAS 82-34-8; C₁₄H₆Cl₂O₂, ~277.1 g/mol) is a halogenated anthraquinone dye intermediate widely used to manufacture disperse, solvent, and vat dyes as well as pigments for polyester/acetate fibers, engineering plastics, inks, and coatings.
Product Description
82-46-2 1,5-Dichloroanthraquinone
Shandong Yinglang Chemical CO.,LTD supplies 1,5-Dichloroanthraquinone as a high-purity crystalline powder with controlled assay, low ash/insolubles, and particle-size options, suitable for industrial-scale dye/pigment synthesis and specialty applications. Documentation (COA/TDS/SDS) and custom milling/packaging are available. Store tightly closed, cool, and dry, protected from light and moisture; handle dust with appropriate PPE and avoid strong oxidizers/reductants.
1,5-Dichloroanthraquinone — Product Specification
CAS: 82-34-8 | Chemical name: 1,5-dichloro-9,10-anthraquinone | Formula: C14H6Cl2O2 | Molecular weight: ~277.10 g/mol | Function: Anthraquinone dye intermediate / pigment precursor
Identity & Form
| Appearance | Yellow to yellow-orange crystalline powder |
|---|---|
| Solubility | Insoluble in water; soluble in hot organic media (chlorobenzene, o-dichlorobenzene, nitrobenzene, DMF/DMSO) |
| End-use platforms | Disperse/solvent/vat dye synthesis; polyester/acetate coloration; plastics masterbatch; inks & coatings |
| Documents | COA · TDS · SDS |
Typical Specification (example)
| Assay (HPLC, main component) | ≥ 98.0% (w/w) |
|---|---|
| Color strength (vs internal std.) | 100% ± 3% |
| Shade difference (ΔE*, CIELab) | ≤ 1.0 (against standard) |
| Melting point | Report per COA (grade-dependent) |
| Loss on drying (105 °C) | ≤ 0.50% |
| Total ash | ≤ 0.50% |
| Residue on 45 μm sieve | ≤ 0.10% |
| Particle size (laser) | D90 ≤ 1.0 μm (custom milling available) |
| Insoluble in xylene (2% slurry) | ≤ 0.50% |
| Organic impurities (HPLC) | Total ≤ 1.0% |
| Heavy metals (as Pb) | ≤ 10 ppm |
| Appearance (QC) | Free-flowing; no visible foreign matter |
Application Performance (typical)
| Heat & light stability | High; suitable for polyester processing and polymer coloration |
|---|---|
| Sublimation / migration on PET | Good resistance (meets grade standard; see COA) |
Applications & Handling
| Main uses | Building block for 1,5-diamino/1,5-dihydroxy derivatives and extended chromophores; dye/pigment synthesis; masterbatch & inks |
|---|---|
| Processing | Fine milling (≈0.2–1 μm) with nonionic/anionic dispersants to build stable dispersions for padding/exhaust/printing |
| Handling | Handle dust as irritant; avoid strong oxidizers/reductants and excessive heat; ensure PPE/ventilation |
| Storage | Keep tightly closed, cool and dry; protect from light and moisture |
Packaging & Logistics
| Packaging | 10–25 kg fiber drums or multilayer bags (inner PE liner); custom OEM/milling on request |
|---|---|
| Ports | Qingdao · Shanghai · Tianjin |
| To quote (please specify) | Target assay/strength/shade, particle size, pack size, destination country/port, and documentation |
© Shandong Yinglang Chemical CO.,LTD · Information for B2B technical marketing only.
PACKING AND DELIVERY
Packing and delivery
We offer secure and compliant packaging for a wide range of chemical products, from laboratory bottles (100 mL, 250 mL, 500 mL) to customized bulk containers. All shipments follow international hazardous goods standards and include complete documentation such as COA and SDS. With reliable global logistics partners, we ensure safe, fast, and efficient delivery by air, sea, or land according to customer needs.