Shandong Huashang Chemical Co., Ltd.
Product
Direct Black 19
  • Brand:HuaShang
  • Model:25kg/drum
  • Purity:99%
  • Cas:6428-31-5
  • Createtime: 2026-04-14
  • Updatetime: 2026-04-15
Product Details
Boiling Point 235–237 °C
deliveryInfo
Molecular Weight 174.90
Stability Stable under normal temperature; sensitive to air and light, easy to oxidize; incompatible with strong oxidants and strong bases
aliasen
supplyCapacity 50000Metric Ton/Month
Solubility Insoluble in water; soluble in ethanol, methanol, ethyl acetate, toluene, dichloromethane, DMF
harbor Qingdao,China
minorder 1KG
useage Industrial use
appearance White to off-white crystalline powder
Molecular Formula C 7 ? H 4 ? Cl 2 ? O
Melting Point 68–72 °C
  • Purity (HPLC): ≥98.0%
  • Moisture: ≤0.30%
  • Loss on Drying: ≤0.40%
  • Residue on Ignition: ≤0.10%
  • Single Impurity: ≤0.50%
  • Total Impurities: ≤1.00%

  • Pharmaceutical Intermediate
    Key aldehyde intermediate for synthesis of antibacterial, anti-inflammatory, antifungal and cardiovascular drugs; used in condensation, reduction and cyclization reactions to construct heterocyclic pharmaceutical molecules.
  • Agrochemical Intermediate
    Raw material for manufacturing high-efficiency herbicides, fungicides and insecticides; 2,6-dichloro substituted structure improves biological activity and systemic absorption.
  • Dye & Pigment Intermediate
    Used for synthesis of disperse dyes, reactive dyes and organic pigments via condensation and diazotization reactions.
  • Organic Synthesis Building Block
    Widely used in fine chemical synthesis, preparing Schiff bases, aromatic acids, alcohols and other chlorine-containing fine chemical derivatives.
  • Fragrance & Flavor Intermediate
    Applied in the synthesis of special aroma compounds and daily chemical essence raw materials.
  • Storage: Sealed, cool, dry, dark and ventilated place; avoid light, air oxidation and high temperature
  • Packaging: 25kg cardboard drum with PE inner bag; small glass bottle for lab use
  • Shelf Life: 24 months under sealed proper storage