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monosodium acetylide
CAS No.: 1066-26-8
Synonyms:
Formula: C2HNa
Exact Mass: 47.99760
Molecular Weight: 48.01910
PSA: 0.00000
LogP: 0.12640
Reference Price: $410/kg Inquiry Now
monosodium acetylide 1066-26-8 MSDS
Name: Sodium acetylide 18 wt% slurry in xylene/light mineral oil 95% Material Safety Data Sheet
Synonym: None
CAS: 1066-26-8
Section 1 - Chemical Product   MSDS Name:Sodium acetylide 18 wt% slurry in xylene/light mineral oil 95% Material Safety Data Sheet
Synonym:None

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
1066-26-8 Sodium acetylide 18 213-908-9
Hazard Symbols: XN
Risk Phrases: 10 14 20/21 38

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Flammable. Reacts violently with water. Harmful by inhalation and in contact with skin. Irritating to skin.Air sensitive.Water-reactive.
Potential Health Effects
Eye:
Causes eye irritation. When substance becomes wet or comes in contact with moisture of the mucous membranes, it will cause irritation. May cause chemical conjunctivitis and corneal damage.
Skin:
Causes skin irritation. Contact with skin causes irritation and possible burns, especially if the skin is wet or moist. May cause irritation and dermatitis. May cause cyanosis of the extremities.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. Ingestion of large amounts may cause CNS depression.
Inhalation:
May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. 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. Aspiration may lead to pulmonary edema. Vapors may cause dizziness or suffocation. May cause burning sensation in the chest.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. If water-reactive products are embedded in the skin, no water should be applied. The embedded products should be covered with a light oil.
Ingestion:
Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Vapors may form an explosive mixture with air.
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. Will burn if involved in a fire. Water Reactive. Material will react with water and may release a flammable and/or toxic gas. Use water spray to keep fire-exposed containers cool. Containers may explode in the heat of a fire. Flammable liquid and vapor. May ignite or explode on contact with steam or moist air.
Extinguishing Media:
Use water spray to cool fire-exposed containers. Use foam, dry chemical, or carbon dioxide. DO NOT USE WATER! Contact professional fire-fighters immediately.

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. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. Do not expose spill to water. Place under an inert atmosphere. A vapor suppressing foam may be used to reduce vapors.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation. Do not allow water to get into the container because of violent reaction. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Keep away from heat, sparks and flame. Avoid ingestion and inhalation. Handle under an inert atmosphere. Store protected from air. Do not allow contact with water. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Keep from contact with moist air and steam.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from water. Flammables-area. Do not expose to air. Store under an inert atmosphere.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use explosion-proof ventilation equipment. Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 1066-26-8: CAS# 1330-20-7: United Kingdom, WEL - TWA: 50 ppm TWA; 220 mg/m3 TWA United Kingdom, WEL - STEL: 100 ppm STEL; 441 mg/m3 STEL United States OSHA: 100 ppm TWA; 435 mg/m3 TWA Belgium - TWA: 50 ppm VLE; 221 mg/m3 VLE Belgium - STEL: 150 ppm VLE; 442 mg/m3 VLE France - VME: 100 ppm VME; 435 mg/m3 VME France - VLE: 150 ppm VLE; 650 mg/m3 VLE Germany: 100 ppm TWA; 440 mg/m3 TWA Germany: Skin absorber Japan: 50 ppm OEL; 217 mg/m3 OEL Malaysia: 199 ppm TWA; 434 mg/m3 TWA Netherlands: 50 ppm MAC; 210 mg/m3 MAC Russia: 50 mg/m3 TWA Spain: 50 ppm VLA-ED; 221 mg/m3 VLA-ED Spain: 100 ppm VLA-EC; 442 mg/m3 VLA-EC CAS# 8012-95-1: United States OSHA: 5 mg/m3 TWA Belgium - TWA: 5 mg/m3 VLE Belgium - STEL: 10 mg/m3 VLE Japan: 3 mg/m3 OEL Malaysia: 5 mg/m3 TWA Netherlands: 5 mg/m3 MAC Russia: 5 mg/m3 TWA (mist) Spain: 5 mg/m3 VLA-ED Spain: 10 mg/m3 VLA-EC Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's 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:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: pale-yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: 29 deg C ( 84.20 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: reacts
Specific Gravity/Density:
Molecular Formula: HC~2CNa
Molecular Weight: 48.02

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Combines vigorously or explosively with water.
Conditions to Avoid:
Incompatible materials, ignition sources, moisture, exposure to air, excess heat, exposure to moist air or water.
Incompatibilities with Other Materials:
Air, strong acids, strong bases, strong oxidizing agents, water.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 1066-26-8 unlisted.
CAS# 1330-20-7: ZE2100000 CAS# 8012-95-1: GZ8725550 PY8030000 XH7480000 LD50/LC50:
Not available.
CAS# 1330-20-7: Draize test, rabbit, eye: 87 mg Mild; Draize test, rabbit, eye: 5 mg/24H Severe; Draize test, rabbit, skin: 100% Moderate; Draize test, rabbit, skin: 500 mg/24H Moderate; Inhalation, rat: LC50 = 5000 ppm/4H; Oral, mouse: LD50 = 2119 mg/kg; Oral, rat: LD50 = 4300 mg/kg; Skin, rabbit: LD50 = >1700 mg/kg.
CAS# 8012-95-1: Draize test, rabbit, eye: 500 mg Moderate; Draize test, rabbit, eye: 100 mg/1H Mild; Draize test, rabbit, skin: 100 mg/24H Mild; Inhalation, rat: LC50 = 2062 ppm/4H; Oral, mouse: LD50 = 22 gm/kg; Oral, rat: LD50 = >24 gm/kg.
Carcinogenicity:
Sodium acetylide - Not listed by ACGIH, IARC, or NTP.
Xylene - Not listed by ACGIH, IARC, or NTP.
Oil mist, mineral - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: ORGANOMETALLIC COMPOUND SOLUTION, WATER-REACTIVE,
FLAMMABLE, N.O.S.*
Hazard Class: 4.3 (3)
UN Number: 3207
Packing Group: II
IMO
Shipping Name: ORGANOMETALLIC COMPOUND SOLUTION, WATER-REACTIVE,
FLAMMABLE, N.O.S.
Hazard Class: 4.3 (3)
UN Number: 3207
Packing Group: II
RID/ADR
Shipping Name: ORGANOMETALLIC COMPOUND SOLUTION, WATER-REACTIVE,
FLAMMABLE, N.O.S.
Hazard Class: 4.3 (3)
UN Number: 3207
Packing group: II
USA RQ: CAS# 1330-20-7: 100 lb final RQ; 45.4 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 10 Flammable.
R 14 Reacts violently with water.
R 20/21 Harmful by inhalation and in contact with
skin.
R 38 Irritating to skin.
Safety Phrases:
S 8 Keep container dry.
S 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 28A After contact with skin, wash immediately with
plenty of water.
S 33 Take precautionary measures against static
discharges.
S 36/37 Wear suitable protective clothing and
gloves.
S 37 Wear suitable gloves.
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# 1066-26-8: No information available.
CAS# 1330-20-7: 2
CAS# 8012-95-1: 0
Canada
CAS# 1066-26-8 is listed on Canada's DSL List.
CAS# 1330-20-7 is listed on Canada's DSL List.
CAS# 8012-95-1 is listed on Canada's DSL List.
CAS# 1066-26-8 is not listed on Canada's Ingredient Disclosure List.
CAS# 1330-20-7 is not listed on Canada's Ingredient Disclosure List.
CAS# 8012-95-1 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 1066-26-8 is listed on the TSCA inventory.
CAS# 1330-20-7 is listed on the TSCA inventory.
CAS# 8012-95-1 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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