Rubidium-87 (Rb-87) – Stable Isotope Data & Safety Information (MSDS)

SECTION 1: IDENTIFICATION- Rubidium-87 (Rb-87) – Stable Isotope

Product Name: Rubidium-87 (Rb-87)
Chemical Formula: Rb
CAS Number: 7440-17-7
Molecular Weight: 86.91 g/mol
Synonyms: Rb-87, Stable Rubidium Isotope
Intended Use: Laboratory research, quantum optics, geochronology, and industrial applications

Manufacturer/Supplier Information:
Company Name: Nakima Ltd
Address: Duchifat 14, Savion
Telephone: +972-545500232
Website: www.isotope-amt.com
Emergency Contact: +972-545500232

SECTION 2: HAZARD IDENTIFICATION

Classification of the substance or mixture

According to Regulation (EC) No. 1272/2008 [CLP]: Not classified
According to Directive 67/548/EEC [DSD] or 1999/45/EC [DPD]: Not classified
GHS-US classification: Not classified

Signal Word: None

Adverse Effects:

May cause mild irritation to skin, eyes, and respiratory system if handled improperly.
Reacts vigorously with water; forms rubidium hydroxide and hydrogen gas.

SECTION 3: COMPOSITION/INFORMATION ON INGREDIENTS

Name: Rubidium-87
CAS No: 7440-17-7
EC No: 231-126-6
Purity: >99%
Classification: Not classified

SECTION 4: FIRST AID MEASURES

Inhalation: Move to fresh air. Seek medical advice if discomfort persists.
Skin Contact: Wash thoroughly with soap and water. Remove contaminated clothing.
Eye Contact: Rinse cautiously with water for several minutes. Seek medical attention if irritation develops.
Ingestion: Rinse mouth with water. Do not induce vomiting. Seek immediate medical assistance.

SECTION 5: FIRE-FIGHTING MEASURES

Suitable Extinguishing Media: Use dry sand, dry chemical, or Class D extinguishing agents.
Unsuitable Extinguishing Media: Do not use water or CO₂ directly on metal fires.
Hazardous Combustion Products: Rubidium oxides.
Protective Equipment for Firefighters: Wear self-contained breathing apparatus and protective gear.

SECTION 6: ACCIDENTAL RELEASE MEASURES

Personal Precautions: Avoid contact with skin and eyes. Ensure adequate ventilation.
Environmental Precautions: Prevent material from entering drains and waterways.
Cleanup Methods: Carefully collect spillage with non-sparking tools. Store in a dry, sealed container.

SECTION 7: HANDLING AND STORAGE

Handling: Handle under dry, inert atmosphere if in metallic form. Avoid water contact.
Storage Conditions: Store in a tightly sealed container in a cool, dry place. Keep away from moisture, acids, and oxidizers.

SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION

Occupational Exposure Limits: None established.
Engineering Controls: Use local exhaust ventilation if handling powders or vapors.
PPE:
- Eye Protection: Safety goggles.
- Skin Protection: Protective gloves and lab coat.
- Respiratory Protection: Suitable respirator if ventilation is inadequate.

SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES

Appearance: Silvery-white solid (metallic form)
Odor: Odorless
Melting Point: 39.3 °C
Boiling Point: 688 °C
Density: 1.53 g/cm³
Solubility: Reacts with water
Autoignition Temperature: Not available

SECTION 10: STABILITY AND REACTIVITY

Reactivity: Reacts with water and moisture.
Chemical Stability: Stable under dry, inert conditions.
Incompatible Materials: Water, acids, halogens, oxidizers.
Hazardous Decomposition Products: Rubidium oxides.

SECTION 11: TOXICOLOGICAL INFORMATION

Acute Toxicity: Not classified as toxic in stable form.
Routes of Exposure: Inhalation, ingestion, skin and eye contact.
Symptoms: May cause irritation; ingestion of soluble rubidium salts may affect the central nervous system.
Carcinogenicity: Not classified as carcinogenic.

SECTION 12: ECOLOGICAL INFORMATION

Ecotoxicity: No significant environmental hazard identified for metallic form.
Persistence/Degradability: Not biodegradable.
Bioaccumulative Potential: Low.
Mobility in Soil: Reacts with moisture; limited mobility in metallic state.

SECTION 13: DISPOSAL CONSIDERATIONS

Dispose of in accordance with local, regional, and national regulations. Do not dispose of in water systems.

SECTION 14: TRANSPORT INFORMATION

UN Number: Not regulated as hazardous in stable isotope form.
Proper Shipping Name: Rubidium-87
Transport Hazard Class: Not applicable
Packing Group: Not applicable

SECTION 15: REGULATORY INFORMATION

EU Regulations: Not classified as hazardous.
US TSCA Status: Listed.
OSHA Hazard Classification: Not hazardous in stable form.

SECTION 16: OTHER INFORMATION

Disclaimer: The information provided here is believed to be accurate but is not guaranteed. It is the responsibility of the user to ensure safe handling and compliance with applicable regulations.

Revision Date: March 2025.

Prepared by: Nakima Ltd.