HYDROCHLORIC ACID (HCl) – Overview CAS No.: 7647-...

HYDROCHLORIC ACID (HCl) – Overview CAS No.: 7647-01-0 Formula: HCl Appearance: Clear to slightly yellow, pungent-smelling liquid Nature: Strong mineral acid Common Grades: Commercial Grade (30–33%) Industrial Grade (28–30%) Laboratory/AR Grade (35–37%) By-Product Grade (Concentration & purity vary) 🧪 Types of Hydrochloric Acid Type Concentration Usage Synthetic/Manufactured HCl 30–35% Lab, pharma, steel pickling, dyes Commercial HCl 30–33% Water treatment, food, general industry By-Product HCl 20–30% (Varies) Arises from other chemical processes CP Grade (Chemical Pure) 35–37% Analytical, precise lab work Food Grade HCl 30–35% Food & beverage, pH control 🏭 By-Product Hydrochloric Acid (BP-HCl) – Detailed Classification By-product HCl is not directly manufactured, but generated during the production of other chemicals. It usually has varying concentrations, impurities, and application limitations. 🔻 Major Sources & Categories of By-Product HCl: Process/Plant By-Product HCl Generated Main Chemical Produced By-Product Category CPW (Chlorinated Paraffin Wax) HCl with organics, oils Chlorinated Paraffin CPW By-Product HCl CMS (Carboxymethyl Starch) HCl with starch residues CMS Powder / Binder CMS By-Product HCl Benzyl Chloride Production HCl with aromatics Benzyl Derivatives Pharma/Chemical HCl Vinyl Chloride Monomer (VCM) HCl from ethylene dichloride PVC Resin Petrochemical By-Product HCl Pesticide Plants HCl with solvent traces Agrochemicals Agro/Chemical Waste HCl Dye Intermediates (DCM process) Mixed HCl Dye compounds Dyes & Pigments BP-HCl Epichlorohydrin Plants High-purity BP-HCl Resin Industry Chlorinated By-Product HCl ⚠️ Characteristics of By-Product HCl: Property Details Concentration Varies from 18% to 30% Color Clear to yellowish or brownish (due to impurities like iron or organics) Odor Pungent, sometimes sharp or solvent-like depending on source pH <1 (Highly acidic) TDS & Impurities May contain organics, oils, chlorinated residues, sulphates, etc. Application Use Limited to pickling, effluent treatment, acidification, neutralization Restrictions Not suitable for food, pharma, or critical reactions without purification 📦 Packaging & Storage: By-Product HCl is stored in: MS/HDPE tankers (10–25 MT) Bulk tanks (on-site) 200–250 kg drums (rare) Requires corrosion-resistant storage and ventilation 📊 Comparison Table: Virgin vs By-Product HCl Parameter Virgin HCl By-Product HCl Purity 99.5%+ (as per spec) 80–95% (variable) Application Range Wide Limited Cost per kg Higher Lower Color/Clarity Water-clear May be yellow/brown Heavy Metal Content Negligible Possible traces 📞 Availability at Laxmi Enterprise – Vadodara, Gujarat: Grade Packing MOQ Remarks Virgin HCl – 33% Tanker / Drum 1 MT+ Regular Industrial Stock CPW By-Product HCl – 28% Tanker 5 MT+ Daily/Weekly Supply from CPW Units CMS By-Product HCl – 20–25% Tanker On Request Available near starch clusters VCM By-Product HCl – 30% Tanker Inquiry Based Sourced from Petrochemical Parks