MATERIAL SAFETY DATA SHEETS
MSDS No: 7803-62-5
|SUPPLIER ADDRESS:||6141 Easton Road, Bldg. 1|
PO Box 310
Plumsteadville, PA 18949-0310
|EMERGENCY PHONE NUMBER:||(215) 766-8861|
|PRODUCT NAME:||SILANE||SYNONYMS:||Silicon tetrahydride or monosilane|
|2. COMPOSITION, INFORMATION ON INGREDIENTS|
|Ingredient Name||Formula||CAS #||Concentration|| ACGIH TLV || OSHA PEL || MAC || Other STEL |
|SILANE||SiH4||7803-62-5|| 99+%|| 5||NE|| 0.5||NE|
|Note: ||NE = NONE ESTABLISHED||S/A = SIMPLE ASPHYXIANT|
|3. HAZARD INDENTIFICATION|
* * * EMERGENCY OVERVIEW * * *
Pyrophoric flammable high pressure gas.
Can ignite on contact with air.
Can form explosive mixtures with air.
POTENTIAL HEALTH EFFECTS
ROUTES OF ENTRY: Inhalation
ACUTE EFFECTS: Excessive inhalation can cause nasal irritation, dizziness, weakness, fatigue, nausea, headache, possible unconsciousness and asphyxiation.Inhalation causes irritation of the respiratory tract.Skin contact may cause irritation.
CHRONIC EFFECTS: None known
MEDICAL CONDITIONS AGGRAVATED BY OVEREXPOSURE: None known
OTHER EFFECTS OF OVEREXPORSURE: None
CARCINOGENICITY (US ONLY):
NTP - No
IARC MONOGRAPHS - No
OSHA REGULATED - No
INHALATION: Immediately remove victim to fresh air.If breathing has stopped, give artificial respiration.If breathing is difficult, give oxygen.
EYE CONTACT: Immediately flush with copious amounts of water for at least 15 minutes.
SKIN CONTACT: Immediately flush with copious amounts of water for at least 15 minutes while removing contaminated clothing.
IN EVENT OF EXPOSURE, CONSULT A PHYSICIAN
NOTE TO PHYSICIAN: None
|5. FIRE FIGHTING MEASURES|
FLASH POINT: Gas
AUTOIGNITION TEMPERATURE: PYROPHORIC
EXTINGUISHING MEDIA: TREAT ANY SILANE FIRE AS AN EMERGENCY.Do not try to extinguish because burning reduces the possibility of explosions of silane and air mixtures.Allow to burn.Move cylinder away from fire if there is no risk.
SPECIAL FIRE FIGHTING INSTRUCTION AND EQUIPMENT: Wear self-contained breathing apparatus and full protective clothing.Keep fire exposed cylinders cool with water spray.If possible, stop the product flow.
HAZARDOUS COMBUSTION PRODUCTS: Silicon products
UNUSUAL FIRE AND EXPLOSION HAZARDS: Cylinder rupture may occur under fire conditions.Apply water from an explosion proof location, if this is not feasible consider evacuation.Sudden release of material into the atmosphere may cause an explosion.
|6. ACCIDENTAL RELEASE MEASURES|
CLEAN UP PROCEDURES: Evacuate and ventilate area.Remove all sources of heat and ignition.An explosive mixture may form and explode violently.Allow leaks to burn themselves out.Leaks may stop temporarily because silica has formed a plug at the leak site.This incorrect assumption can cause additional risk when plug is loosened.
SPECIALIZED EQUIPMENT: None
PRECAUTIONS TO BE TAKEN IN HANDLING: Secure cylinder when using to protect from falling.Use suitable hand truck to move cylinders.Use explosion proof ventilation, piping, and equipment.
PRECAUTIONS TO BE TAKEN IN STORAGE: Store in well ventilated areas.Keep valve protection cap on cylinders when not in use.
|8. EXPOSURE CONTROLS / PERSONAL PROTECTION|
ENGINEERING CONTROLS: Provide adequate general and local exhaust ventilation to maintain concentration below exposure limits.
EYE / FACE PROTECTION: Safety glasses
SKIN PROTECTION: None
RESPIRATORY PROTECTION: In case of leakage, use self-contained breathing apparatus.
OTHER PROTECTIVE EQUIPMENT: Safety shoes when handling cylinders.
|9. PHYSICAL AND CHEMICAL PROPERTIES|
PHYSICAL PRESSURE: Gas
VAPOR PRESSURE: @ 20 C: Gas
VAPOR DENSITY (AIR=1): 1.1
BOILING POINT (C): -112
SOLUBILITY IN WATER: Slight
SPECIFIC GRAVITY (H2O=1): @20 deg. C 0.711
EVAPORATION RATE: Gas
ODOR THRESHOLD: N/Av
|10. STABILITY AND REACTIVITY|
STABILITY: Stable under normal storage conditions.
CONDITIONS TO AVOID: Storage in poorly ventilated areas.Storage near a heat source.
MATERIALS TO AVOID: Air, oxygen, halogens, heavy metal hydrides and oxidizing agents.
HAZARDOUS POLYMERIZATION: Will not occur.
HAZARDOUS DECOMPOSITION: Silane emits hydrogen, silicon, and silicon dioxide.
|11. TOXICOLOGICAL INFORMATION|
LETHAL CONCENTRATION (LC50): 19,000 ppm, rat 1 hour.
LETHAL DOSE 50 (LD50): N/Ap
REPRODUCTIVE EFFECTS: N/Ap
|12. ECOLOGICAL INFORMATION|
No adverse ecological effects are expected.
|13. DISPOSAL CONSIDERATIONS|
WASTE DISPOSAL METHOD: Allow gas to vent slowly to atmosphere in an unconfined area. If the cylinders are the refillable type, return cylinders to supplier with any valve outlet plugs or caps secured and valve protection caps in place.
|14. TRANSPORT INFORMATION|
DOT DESCRIPTION (US ONLY):
PROPER SHIPPING NAME: Silane, compressed
HAZARD CLASS: 2.1 (flammable)
INDENTIFICATION NUMBER: UN2203
REPORTABLE QUANTITIES: None
LABELING: FLAMMABLE GAS
ADR / RID (EU Only): Class 2,1F
SPECIAL PRECAUTIONS: Cylinders should be transported in a secure upright position in a well ventilated truck.
|15. REGULATORY INFORMATION|
OSHA: Process Safety Management: Material is not listed in appendix A of 29 CFR 1910.119 as highly hazardous chemical.
TSCA: Material is listed in TSCA inventory.
SARA: The threshold planning quantity for material is 10,000 lbs.
EU NUMBER: N/Av
NUMBER IN ANNEX 1 OF DIR 67/548: Not listed in annex 1.
OTHER PRECAUTIONS: Protect containers from physical damage. Do not deface cylinders or labels. Cylinders should be refilled by qualified producers of compressed gas. Shipment of a compressed gas cylinder which has not been filled by the owner or with his written consent is a violation of federal law (49 CFR).
ABBREVIATIONS: N/Ap - Not Applicable N/Av - Not Available SA - Simple Asphyxiant NE - None Established
DISCLAIMER: Information included in this document is given to the best of our knowledge, however, no warranty is made that the information is accurate or complete. We do not accept any responsibility for damages by the use of the document.