Name:
Hydrox-sil
Synonym:
None
CAS:
75-77-4
Section 1 - Chemical Product
MSDS Name:Hydrox-sil
Synonym:None
Synonym:None
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
| CAS# | Chemical Name | emsds | EINECS# |
| 75-77-4 | Trimethylchlorosilane | 8 | 200-900-5 |
| Hazard Symbols: XI F Risk Phrases: 11 20/21/22 |
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Highly flammable. Harmful by inhalation, in contact with skin and if swallowed.Corrosive.Water-reactive.Cancer suspect agent.Possible risks of irreversible effects.The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
Causes eye burns. May cause irreversible eye injury.
Skin:
Causes skin burns. May be absorbed through the skin in harmful amounts. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
Ingestion:
Causes gastrointestinal tract burns. May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns. May be harmful if swallowed.
Inhalation:
May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. Causes chemical burns to the respiratory tract. The toxicological properties of this substance have not been fully investigated. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
Chronic:
May cause liver and kidney damage. May cause cancer in humans.
Highly flammable. Harmful by inhalation, in contact with skin and if swallowed.Corrosive.Water-reactive.Cancer suspect agent.Possible risks of irreversible effects.The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
Causes eye burns. May cause irreversible eye injury.
Skin:
Causes skin burns. May be absorbed through the skin in harmful amounts. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
Ingestion:
Causes gastrointestinal tract burns. May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns. May be harmful if swallowed.
Inhalation:
May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. Causes chemical burns to the respiratory tract. The toxicological properties of this substance have not been fully investigated. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
Chronic:
May cause liver and kidney damage. May cause cancer in humans.
Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:
Section 5 - FIRE FIGHTING MEASURES
General Information:
Evacuate area and fight fire from a safe distance. As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Vapors can travel to a source of ignition and flash back. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Reacts with most metals to form highly flammable hydrogen gas which can form explosive mixtures with air.
Decomposes at high temperatures, resulting in toxic and corrosive products.
Extinguishing Media:
Use carbon dioxide or dry chemical. DO NOT USE WATER!
Evacuate area and fight fire from a safe distance. As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Vapors can travel to a source of ignition and flash back. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Reacts with most metals to form highly flammable hydrogen gas which can form explosive mixtures with air.
Decomposes at high temperatures, resulting in toxic and corrosive products.
Extinguishing Media:
Use carbon dioxide or dry chemical. DO NOT USE WATER!
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Clean up spills immediately, observing precautions in the Protective Equipment section. Scoop up with a nonsparking tool, then place into a suitable container for disposal. Remove all sources of ignition.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Clean up spills immediately, observing precautions in the Protective Equipment section. Scoop up with a nonsparking tool, then place into a suitable container for disposal. Remove all sources of ignition.
Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Do not get in eyes, on skin, or on clothing.
Keep away from heat, sparks and flame. Do not ingest or inhale. Do not allow contact with water.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a cool place in the original container and protect from sunlight. Store in a tightly closed container. Keep under an argon blanket.
Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Do not get in eyes, on skin, or on clothing.
Keep away from heat, sparks and flame. Do not ingest or inhale. Do not allow contact with water.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a cool place in the original container and protect from sunlight. Store in a tightly closed container. Keep under an argon blanket.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits.
Exposure Limits CAS# 75-77-4: CAS# 110-86-1: United Kingdom, WEL - TWA: 5 ppm TWA; 16 mg/m3 TWA United Kingdom, WEL - STEL: 10 ppm STEL; 33 mg/m3 STEL United States OSHA: 5 ppm TWA; 15 mg/m3 TWA Belgium - TWA: 5 ppm VLE; 16 mg/m3 VLE France - VME: 5 ppm VME; 15 mg/m3 VME France - VLE: 10 ppm VLE; 30 mg/m3 VLE Germany: 5 ppm TWA; 16 mg/m3 TWA Germany: Skin absorber Malaysia: 5 ppm TWA; 16 mg/m3 TWA Netherlands: 0.3 ppm MAC; 0.9 mg/m3 MAC Russia: 5 mg/m3 TWA Spain: 5 ppm VLA-ED; 15 mg/m3 VLA-ED CAS# 999-97-3: Russia: 2 mg/m3 TWA Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHAs eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.
Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits.
Exposure Limits CAS# 75-77-4: CAS# 110-86-1: United Kingdom, WEL - TWA: 5 ppm TWA; 16 mg/m3 TWA United Kingdom, WEL - STEL: 10 ppm STEL; 33 mg/m3 STEL United States OSHA: 5 ppm TWA; 15 mg/m3 TWA Belgium - TWA: 5 ppm VLE; 16 mg/m3 VLE France - VME: 5 ppm VME; 15 mg/m3 VME France - VLE: 10 ppm VLE; 30 mg/m3 VLE Germany: 5 ppm TWA; 16 mg/m3 TWA Germany: Skin absorber Malaysia: 5 ppm TWA; 16 mg/m3 TWA Netherlands: 0.3 ppm MAC; 0.9 mg/m3 MAC Russia: 5 mg/m3 TWA Spain: 5 ppm VLA-ED; 15 mg/m3 VLA-ED CAS# 999-97-3: Russia: 2 mg/m3 TWA Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHAs eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Liquid
Color: clear, colorless
Odor: Pungent odor.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not applicable.
Flash Point: 50 deg F ( 10.00 deg C)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Reacts with water.
Specific Gravity/Density: Not available.
Molecular Formula: Mixture
Molecular Weight:
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
High temperatures, mechanical shock, incompatible materials, ignition sources, exposure to air, exposure to moist air or water.
Incompatibilities with Other Materials:
Water hydrolyzes one of the components to liberate acidic acid which in contact with metal surfaces can generate hydrogen gas. Decomposes upon exposure to moist air or water. Prolonged exposure to air may allow for the formation of explosive mixtures. Incompatibles include acids, acid chlorides, oxidizing agents, and chloroformates.
Hazardous Decomposition Products:
Hydrogen chloride, carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide, silicon dioxide, formaldehyde.
Hazardous Polymerization: Has not been reported
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
High temperatures, mechanical shock, incompatible materials, ignition sources, exposure to air, exposure to moist air or water.
Incompatibilities with Other Materials:
Water hydrolyzes one of the components to liberate acidic acid which in contact with metal surfaces can generate hydrogen gas. Decomposes upon exposure to moist air or water. Prolonged exposure to air may allow for the formation of explosive mixtures. Incompatibles include acids, acid chlorides, oxidizing agents, and chloroformates.
Hazardous Decomposition Products:
Hydrogen chloride, carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide, silicon dioxide, formaldehyde.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 75-77-4: VV2710000 CAS# 110-86-1: UR8400000 CAS# 999-97-3: JM9230000 LD50/LC50:
CAS# 75-77-4: Draize test, rabbit, eye: 5 uL Moderate; Draize test, rabbit, skin: 500 uL Moderate; Oral, rat: LD50 = 5660 uL/kg; Skin, rabbit: LD50 = 1780 uL/kg.
CAS# 110-86-1: Dermal, guinea pig: LD50 = 1 gm/kg; Draize test, rabbit, skin: 500 mg/24H Mild; Inhalation, rat: LC50 = 28500 mg/m3/1H; Oral, mouse: LD50 = 1500 mg/kg; Oral, rat: LD50 = 891 mg/kg; Skin, rabbit: LD50 = 1121 mg/kg.
CAS# 999-97-3: Dermal, guinea pig: LD50 = 1 mL/kg; Draize test, rabbit, skin: 500 uL Severe; Inhalation, mouse: LC50 = 12 gm/m3/2H; Inhalation, rat: LC50 = 8700 mg/m3/4H; Oral, mouse: LD50 = 850 mg/kg; Oral, rabbit: LD50 = 1100 mg/kg; Oral, rat: LD50 = 850 mg/kg; Skin, rabbit: LD50 = 710 uL/kg.
Carcinogenicity:
Trimethylchlorosilane - Not listed by ACGIH, IARC, or NTP.
Pyridine - ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to California: carcinogen, initial date 5/17/02 Hexamethyldisilizane - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
CAS# 75-77-4: VV2710000 CAS# 110-86-1: UR8400000 CAS# 999-97-3: JM9230000 LD50/LC50:
CAS# 75-77-4: Draize test, rabbit, eye: 5 uL Moderate; Draize test, rabbit, skin: 500 uL Moderate; Oral, rat: LD50 = 5660 uL/kg; Skin, rabbit: LD50 = 1780 uL/kg.
CAS# 110-86-1: Dermal, guinea pig: LD50 = 1 gm/kg; Draize test, rabbit, skin: 500 mg/24H Mild; Inhalation, rat: LC50 = 28500 mg/m3/1H; Oral, mouse: LD50 = 1500 mg/kg; Oral, rat: LD50 = 891 mg/kg; Skin, rabbit: LD50 = 1121 mg/kg.
CAS# 999-97-3: Dermal, guinea pig: LD50 = 1 mL/kg; Draize test, rabbit, skin: 500 uL Severe; Inhalation, mouse: LC50 = 12 gm/m3/2H; Inhalation, rat: LC50 = 8700 mg/m3/4H; Oral, mouse: LD50 = 850 mg/kg; Oral, rabbit: LD50 = 1100 mg/kg; Oral, rat: LD50 = 850 mg/kg; Skin, rabbit: LD50 = 710 uL/kg.
Carcinogenicity:
Trimethylchlorosilane - Not listed by ACGIH, IARC, or NTP.
Pyridine - ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to California: carcinogen, initial date 5/17/02 Hexamethyldisilizane - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
Section 12 - ECOLOGICAL INFORMATION
Section 13 - DISPOSAL CONSIDERATIONS
Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.
Section 14 - TRANSPORT INFORMATION
IATA
No information available.
IMO
No information available.
RID/ADR
No information available.
USA RQ: CAS# 110-86-1: 1000 lb final RQ; 454 kg final RQ
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI F
Risk Phrases:
R 11 Highly flammable.
R 20/21/22 Harmful by inhalation, in contact with
skin and if swallowed.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 25 Avoid contact with eyes.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 28 After contact with skin, wash immediately
with...
S 30 Never add water to this product.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 75-77-4: 1
CAS# 110-86-1: 2
CAS# 999-97-3: 1
Canada
CAS# 75-77-4 is listed on Canadas DSL List.
CAS# 110-86-1 is listed on Canadas DSL List.
CAS# 999-97-3 is listed on Canadas DSL List.
CAS# 75-77-4 is not listed on Canadas Ingredient Disclosure List.
CAS# 110-86-1 is listed on Canadas Ingredient Disclosure List.
CAS# 999-97-3 is not listed on Canadas Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 75-77-4 is listed on the TSCA inventory.
CAS# 110-86-1 is listed on the TSCA inventory.
CAS# 999-97-3 is listed on the TSCA inventory.
