The predominance diagram shows that the position of the equilibrium depends on both pH and the analytical concentration of chromium. Product Identification Synonyms: Orthophosphorous acid CAS No. Synonyms: Chromium (VI) oxide; Chromic anhydride; Chromium (VI) oxide; Chromium trioxide. The chromate ion is the predominant species in alkaline solutions, but dichromate can become the predominant ion in acidic solutions. 200 William Pitt Way . Catalog Numbers: LC13090 . Harmful by skin absorption, Pittsburgh, PA 15238 . LD50, Oral, Rat: 2140 mg/kg (Sulfuric Acid), details of toxic effects not reported other than lethal dose value, 80 mg/kg (Chromium Trioxide), respiratory, hair and gastrointestinal effects noted, 50 mg/kg (Sodium Dichromate) liver and kidney effects noted. CAS 7778-50-9 7664-93-9 7732-18-5 20450, ACID DICHROMATE CLEANING SOLUTION dichromic acid, dipotassium salt; (potassium dichromate) sulfuric acid water prot gloves:polyvinyl chloride. msds … Box 191 Chemtrec: (800)424-9300 Kilgore, Texas 75663 1-800-256-6644 Section 1: Product Identification Synonyms: Sulphuric Acid, Hydrogen Sulphate, Oil of Vitriol, Battery Acid Sulfuric Acid 1 August 2009 MATERIAL SAFETY DATA SHEET - MSDS Sulfuric Acid (Concentrated) Martin Product Sales, LLC Emergency Assistance P.O. Sodium Dichromate Solution Sentury Reagents, Inc. 2515 Commerce Dr. Rock Hill, SC 29730 803-327-6880 803-327-3872 PERS: 800-633-8253 011-801-629-0667 10613 2. We offer laboratory chemicals as well as food and industrial chemicals. Potassium dichromate - 1 - Section 1 - Chemical Product and Company Identification MSDS Name: Potassium dichromate Catalog Numbers: LC18940 Synonyms: Potassium dichromate, oxidimetric standard Company Identification: LabChem, Inc. 200 William Pitt Way Pittsburgh, PA 15238 Company Phone Number: (412) 826-5230 Emergency Phone Number: (800) 424-9300 Company Identification: LabChem Inc . MSDS Name: Chromic Acid . Integra Chemical Company supplies a wide variety of chemicals to customers throughout the Pacific Northwest region and across the United States. (MSDS) Phosphonic acid 1. HAZARDS IDENTIFICATION Emergency Overview OSHA Hazardous Oxidizer, Carcinogen, Target Organ Effect, Toxic by inhalation, Highly toxic by ingestion. In aqueous solution, chromate and dichromate anions exist in a chemical equilibrium.. 2 CrO 2− 4 + 2 H + ⇌ Cr 2 O 2− 7 + H 2 O. Chromic Acid . Section 1 - Chemical Product and Company Identification .