# Lanthanum \(III\) Hydroxide – ProChem SDS Text extracted from the original PDF. Tables, images, symbols and OCR may differ. Check the original PDF for safety information. - **Document title:** Lanthanum \(III\) Hydroxide – ProChem SDS - **Publisher:** ProChem, Inc\. - **Material:** Lanthanum \(III\) Hydroxide - **CAS number:** 14507\-19\-8 - **Product code / grade:** 2140 - **Document type:** SDS - **Original language:** English - **Region:** United States - **Revision date:** 05/15 - **Page count:** 3 - **Original filename:** prochem\-lanthanumhydroxide\-2140\.pdf - **RESDS page:** https://resds\.com/document/lanthanum\-iii\-hydroxide\-prochem\-en\-b0b393bca4 - **Original PDF:** https://resds\.com/pdf/lanthanum\-iii\-hydroxide\-prochem\-en\-b0b393bca4\.pdf - **Source URL:** https://prochemonline\.com/wp\-content/uploads/2021/06/2140\.LanthanumIIIHydroxide\.pdf - **Description:** Collected by RESDS\. Original publisher PDF retained\. Original ProChem SDS for Lanthanum \(III\) Hydroxide\. Product number 2140; revision 05/15\. Publication authorized by the user on 2026\-09\-14\. ## Page 1 ```text SECTION 1 PRODUCT AND COMPANY INFORMATION PRODUCT NAME: Lanthanum (III) Hydroxide PRODUCT NUMBER: 2140 CAS NUMBER: 14507-19-8 MANUFACTURER: Prochem, Inc. PHONE: 815-398-1788 826 Roosevelt Road FAX: 815-398-1810 Rockford, IL 61109 TOLL FREE: 800-795-8788 IN CASE OF TRANSPORTATION EMERGENCY CONTACT CHEM-TREC: 1-800-424-9300 SECTION 2 HAZARDS IDENTIFICATION CLASSIFICATION OF SUBSTANCE OR MIXTURE Pictogram Signal Word Warning Hazard Statements H315 Causes skin irritation. H319 Causes serious eye irritation. H335 May cause respiratory irritation. Precautionary Phrases P261 Avoid breathing dust/fume/gas/mist/vapors/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. HMIS CLASSIFICATION: Health: 1 Fire: 0 Reactivity Hazard: 1 NFPA RATING: Health: 1 Flammability: 0 Reactivity Hazard: 1 EYE CONTACT: Dust may cause irritation of the eyes. SKIN CONTACT: Causes irritation of the skin. INHALATION: Inhalation of dust can lead to irritation of the respiratory tract. INGESTION: Seek medical treatment. LANTHANUM (III) HYDROXIDE PAGE 1 ``` ## Page 2 ```text SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS Formula: La(OH)3 Molecular Weight: 189.93 CHEMICAL NAME CAS# % Lanthanum (II) Hydroxide 14507-19-8 100 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: Wash affected area with plenty of 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: Seek medical assistant immediately. SECTION 5 FIREFIGHTING MEASURES FLASH POINT: Product is not flammable AUTO IGNITION TEMPERATURE: Not available EXPLOSION LIMITS: Not available EXTINGUISHING MEDIUM: Use fire fighting measures that suit the surrounding fire. SPECIAL FIRE FIGHTING PROCEDURES: Wear self-contained, approved breathing apparatus and full protective clothing, including eye protection and boots. HAZARDOUS COMBUSTION AND DECOMPOSITION PRODUCTS: Lanthanum oxide SECTION 6 ACCIDENTAL RELEASE MEASURES PERSONAL PRECAUTIONS: Wear all appropriate equipment when using this material. Ensure adequate ventilation. Avoid dust formation. Avoid breathing dust. ENVIRONMENTAL PRECAUTIONS: Prevent spillage from entering drains or allowing to be released into the environment. METHODS AND MATERIALS FOR CONTAINMENT AND CLEANING UP: Avoid raising dust. Sweep up and place in suitable container for proper disposal. SECTION 7 HANDLING AND STORAGE PRECAUTIONS FOR SAFE HANDLING: Wear appropriate personal protective equipment. Ensure adequate ventilation. Avoid contact with skin and eyes. CONDITIONS FOR SAFE STORAGE: Store in cool, dry, and well-ventilated area. Store away oxidizing agents and acids. SECTION 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION EXPOSURE CONTROLS: This product does not contain any relevant quantities of materials with critical values that have to be monitored. EYE PROTECTION: Wear chemical safety glasses or goggles and face shield. SKIN PROTECTION: Wear nitrile or rubber gloves, and a complete suit protecting against chemicals. VENTILATION: Provide local exhaust, preferably mechanical. RESPIRATOR: Use an approved respirator. ADDITIONAL PROTECTION: Provide eyewash stations, quick-drench showers and washing facilities accessible to areas of use and handling. LANTHANUM (III) HYDROXIDE PAGE 2 ``` ## Page 3 ```text SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES COLOR AND FORM: White solid ODOR: None MOLECULAR WEIGHT: 189.93 BOILING POINT: No data available MELTING POINT: Decomposes SPECIFIC GRAVITY: No data available SOLUBILITY: Soluble SECTION 10 STABILITY AND REACTIVITY STABILITY: Stable HAZARDOUS POLYMERIZATION: Will not occur CONDITIONS TO AVOID: Excessive temperature INCOMPATIBILITY: Acids and oxidizing agents DECOMPOSITION PRODUCTS: Lanthanum oxide SECTION 11 TOXICOLOGICAL DATA ACUTE TOXICITY: Not available CARCINOGENIC EFFECTS: No component of this product present at levels greater than or equal to 0.1% is considered to be a human carcinogen. MUTAGENIC EFFECTS: Not available TETRATOGENIC EFFECTS: Not available RTECS: No data To the best of our knowledge the toxicological effects of this compound have not been fully investigated. SECTION 12 ECOLOGICAL DATA No information available SECTION 13 DISPOSAL CONSIDERATIONS Dispose of in according to local, state, and federal regulations. SECTION 14 TRANSPORTATION DATA Not a dangerous good SECTION 15 REGULATORY INFORMATION TSCA: No data SARA (TITLE 313): Not listed CALIFORNIA PROP. 65: Not Listed 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 PREPARED: 05/15 SDS DEPT. LANTHANUM (III) HYDROXIDE PAGE 3 ```