# Cerium \(IV\) Sulfate Hydrate – ProChem SDS Text extracted from the original PDF. Tables, images, symbols and OCR may differ. Check the original PDF for safety information. - **Document title:** Cerium \(IV\) Sulfate Hydrate – ProChem SDS - **Publisher:** ProChem, Inc\. - **Material:** Cerium \(IV\) Sulfate Hydrate - **CAS number:** 95838\-16\-7 - **Product code / grade:** 1425\-5 - **Document type:** SDS - **Original language:** English - **Region:** United States - **Revision date:** Not stated - **Page count:** 4 - **Original filename:** prochem\-cerium\-iv\-sulfate\-hydrate\-1425\-5\.pdf - **RESDS page:** https://resds\.com/document/cerium\-iv\-sulfate\-hydrate\-prochem\-en\-5a3b095d89 - **Original PDF:** https://resds\.com/pdf/cerium\-iv\-sulfate\-hydrate\-prochem\-en\-5a3b095d89\.pdf - **Source URL:** https://prochemonline\.com/wp\-content/uploads/2026/07/1425\-5\.CeriumIVSulfatehydrate\.pdf - **Description:** Collected by RESDS\. Original publisher PDF retained\. Original ProChem SDS for Cerium \(IV\) Sulfate Hydrate\. Product number 1425\-5; revision not stated\. Publication authorized by the user on 2026\-09\-14\. ## Page 1 ```text SECTION 1 PRODUCT AND COMPANY INFORMATION PRODUCT NAME: Cerium (IV) Sulfate Hydrate PRODUCT NUMBER: 1425-5 CAS NUMBER: 95838-16-7 SYNONYMS: Ceric sulfate hydrate MANUFACTURER: ProChem, Inc. PHONE: 815-398-1788 826 Roosevelt Road TOLL FREE: 800-795-8788 Rockford, IL 61109 IN CASE OF TRANSPORTATION EMERGENCY CONTACT CHEM-TREC: 1-800-424-9300 SECTION 2 HAZARDS IDENTIFICATION CLASSIFICATION OF SUBSTANCE OR MIXTURE Pictogram Signal Word D Danger Hazard Statements H303 May be harmful if swallowed H314 Causes severe skin burns and eye damage. H335 May cause respiratory irritation H410 Very toxic to aquatic life with long lasting effects. Precautionary Phrases P260 Do not breathe dusts or mists. P264 Wash skin thoroughly after handling. P273 Avoid release to the environment. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353+P310 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P304+P340+P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CETNER/doctor. P305+P351+P338+P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. P363 Wash contaminated clothing before reuse. P501 Dispose of contents/container to an approved waste disposal plant. HMIS CLASSIFICATION: Health: 2 Fire: 0 Reactivity Hazard: 0 NFPA RATING: Health: 2 Flammability: 0 Reactivity Hazard: 0 CERIUM (IV) SULFATE TETRAHYDRATE PAGE 1 ``` ## Page 2 ```text SECTION 2 HAZARDS IDENTIFICATION (Cont.) EYE CONTACT: Causes serious eye damage. SKIN CONTACT: Causes severe burns to skin. INHALATION: Irritating to the mucous membranes and upper respiratory tract. INGESTION: Immediate medical attention is required. Do not induce vomiting. Drink plenty of water. SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS Formula: Ce(SO4)!XH2O Molecular Weight: 332.24 (anhy.) CHEMICAL NAME CAS# % Cerium (IV) Sulfate Hydrate 95838-16-7 99.9 SECTION 4 FIRST AID MEASURES EYE EXPOSURE: Immediately flush the eyes with copious amounts of water for at least 15 minutes. Assure flushing under eyelids. A victim may need assistance in keeping their eyelids open. Get immediate competent medical attention. SKIN EXPOSURE: Immediately wash affected area thoroughly with soap and water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists. INHALATION: Remove to fresh air and keep at rest. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases, seek immediate medical assistance. INGESTION: Do not induce vomiting. Give 2-4 cups of milk or water provided person is conscious and alert. Seek medical assistance immediately. SECTION 5 FIREFIGHTING MEASURES FLASH POINT: Not available AUTO IGNITION TEMPERATURE: Not available EXPLOSION LIMITS: Not available EXTINGUISHING MEDIUM: Use Carbon dioxide fire extinguisher. (Powder or Foam) as Water is ineffective. Any dry chemical, dry sand measures that are appropriate to local circumstances and the surrounding environment. SPECIAL FIRE FIGHTING PROCEDURES: Wear self-contained, approved breathing apparatus and full protective clothing, including eye protection and boots. HAZARDOUS COMBUSTION AND DECOMPOSITION PRODUCTS: Sulfur oxides and cerium oxides SECTION 6 ACCIDENTAL RELEASE MEASURES PERSONAL PRECAUTIONS: Wear all required personal protective equipment when using this material. Ensure adequate ventilation and use ventilation hood. Avoid the formation of dust. Avoid breathing vapors, mist, gas, or dust. ENVIRONMENTAL PRECAUTIONS: Prevent spillage from entering drains or allowing to be released into the environment. METHODS AND MATERIALS FOR CONTAINMENT AND CLEANING UP: Pick up and arrange disposal without creating dust. Sweep up and keep in suitable, closed containers for disposal. SECTION 7 HANDLING AND STORAGE PRECAUTIONS FOR SAFE HANDLING: Wear appropriate personal protective equipment. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid formation of dust. CONDITIONS FOR SAFE STORAGE: Store in cool, dry, and well-ventilated area. SECTION 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION EYE PROTECTION: Wear chemical safety glasses or goggles and face shield. SKIN PROTECTION: Wear nitrile or rubber gloves, apron, or lab coat. VENTILATION: Provide local exhaust, preferably mechanical. CERIUM (IV) SULFATE TETRAHYDRATE PAGE 2 ``` ## Page 3 ```text SECTION 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION (Cont.) RESPIRATOR: Use an approved respirator. SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES COLOR AND FORM: White to off white solid ODOR: None MOLECULAR WEIGHT: 332.24 (anhy.) BOILING POINT: No data available MELTING POINT: 200° C (dec.). SPECIFIC GRAVITY: 3.24. VAPOR DENSITY: No data available SOLUBILITY IN WATER: Soluble in small amounts. Hydrolyzes in large amounts of water. SECTION 10 STABILITY AND REACTIVITY STABILITY: Stable. Moisture sensitive. HAZARDOUS POLYMERIZATION: Will not occur CONDITIONS TO AVOID: No data available INCOMPATIBILITY: No data available. DECOMPOSITION PRODUCTS: Sulfur oxides and cerium oxides SECTION 11 TOXICOLOGICAL DATA ACUTE TOXICITY: Not available CARCINOGENIC EFFECTS: No components of this product present at levels greater than or equal to 0.1% is identified a carcinogen. MUTAGENIC EFFECTS: Not available TETRATOGENIC EFFECTS: Not available RTECS: Not available To the best of our knowledge the toxicological effects of this compound have not been fully investigated. SECTION 12 ECOLOGICAL DATA TOXICITY TO DAPHNIA AND OTHER AQUATIC INVERTEBRATES: Static test EC50 – Daphnia magna (water flea) – 1.9 mg/l – 48h TOXICITY TO ALGAE: Static test ErC50 – Pseudokirchneriella subcapitata (green algea) – 0.658 mg/l – 72h. Static test NOEC- Pseudokirchneriella subcapitata (green algae) – 0.555 mg/l – 72h. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. This product contains substances which are hazardous for the environment and will cause long-term effects. Do not allow material to contaminate ground water system. SECTION 13 DISPOSAL CONSIDERATIONS Dispose of in according to local, state, and federal regulations. SECTION 14 TRANSPORTATION DATA UN3260. Corrosive solid, acidic, inorganic, n.o.s. Class 8 PG II CERIUM (IV) SULFATE TETRAHYDRATE PAGE 3 ``` ## Page 4 ```text SECTION 15 REGULATORY INFORMATION TSCA – Listed – Toxic Substance Control Act, (40 CFR Part 710) SARA 302: Not listed SARA (TITLE 313): Not listed - SARA 311/312: Acute Health Hazard MASSACHUSETTS RIGHT TO KNOW: No components are subject to the Massachusetts Right to Know Act. SECTION 16 OTHER INFORMATION DISCLAIMER: The information herein is believed to be accurate and reliable as of the date compiled. However, ProChem, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information in this document or any use of the product based on the information. DATE PREVIOUSLY REVISED: 03/22 REVISED DATE: 08/26 REVISED SUMMARY: removed fax number. Updated section 2, section 15. All other details in this document about this product remained unchanged. Updates made by EHS 08/10/206 EHS/SDS DEPT. CERIUM (IV) SULFATE TETRAHYDRATE PAGE 4 ```