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Name:
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1-Methoxy-1-buten-3-yne 50 wt. % solution in methanol-water (4 to Material Safety Data Sheet
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Synonym:
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CAS:
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2798-73-4
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Section 1 - Chemical Product
MSDS Name:1-Methoxy-1-buten-3-yne 50 wt. % solution in methanol-water (4 to Material Safety Data Sheet
Synonym:
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
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CAS#
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Chemical Name
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content
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EINECS#
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2798-73-4
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1-buten-3-yne, 1-methoxy-
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220-531-3
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Hazard Symbols: XN F
Risk Phrases: 11 20/21
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Not available.
Target Organs: None.
Potential Health Effects
The toxicological properties of this material have not been investigated. Use appropriate procedures to prevent opportunities for direct contact with the skin or eyes and to prevent inhalation.
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 immediately.
Skin:
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Remove contaminated clothing and shoes.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:
Treat symptomatically and supportively.
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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use agent most appropriate to extinguish fire.
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section.
Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage:
Store in a cool, dry place. Keep container closed when not in use.
Refrigerator (approx 4C).
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels.
Exposure Limits +--------------------+-------------------+-------------------+-----------------+ | Chemical Name | ACGIH | NIOSH |OSHA - Final PELs| |--------------------|-------------------|-------------------|-----------------| | 1-buten-3-yne, 1-me|none listed |none listed |none listed | | thoxy- | | | | +--------------------+-------------------+-------------------+-----------------+ OSHA Vacated PELs: 1-buten-3-yne, 1-methoxy-: No OSHA Vacated PELs are listed for this chemical.
Personal Protective Equipment Eyes: Wear chemical goggles.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
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 a respirator's use.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Not available.
Appearance: clear brown
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 122.0 - 125.0 deg C @ 760.00m
Freezing/Melting Point: 0 deg C
Autoignition Temperature: Not available.
Flash Point: 8 deg C ( 46.40 deg F)
NFPA Rating: Not published.
Explosion Limits, Lower: Not available.
Upper: Not available.
Decomposition Temperature:
Solubility:
Specific Gravity/Density: .9060g/cm3
Molecular Formula: C5H6O
Molecular Weight: 82.10
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, strong oxidants.
Incompatibilities with Other Materials:
Not available.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases.
Hazardous Polymerization: Not available.
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 2798-73-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
1-buten-3-yne, 1-methoxy- - Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
See actual entry in RTECS for complete information.
Section 12 - ECOLOGICAL INFORMATION
Section 13 - DISPOSAL CONSIDERATIONS
Chemical waste generators must determine whether a discarded chemical is classif as a hazardous waste.
US EPA guidelines for the classification determination are listed in 40 CFR Part Additionally, waste generators must consult state and local hazardous waste regu ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.
Section 14 - TRANSPORT INFORMATION
CDG/CPL
Not classified as hazardous for supply.
Canadian TDG
No information available.
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN F
Risk Phrases:
R 11 Highly flammable.
R 20/21 Harmful by inhalation and in contact with
skin.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 23 Do not inhale gas/fumes/vapour/spray.
WGK (Water Danger/Protection)
CAS# 2798-73-4: 1
United Kingdom Occupational Exposure Limits
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
WHMIS: Not available.
CAS# 2798-73-4 is not listed on Canada's Ingredient Disclosure List.
Exposure Limits
US FEDERAL
TSCA
CAS# 2798-73-4 is listed on the TSCA inventory.
Health & Safety Reporting List
None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
None of the chemicals in this material have a SNUR under TSCA.
SARA
Section 302 (RQ)
None of the chemicals in this material have an RQ.
Section 302 (TPQ)
None of the chemicals in this product have a TPQ.
Section 313
No chemicals are reportable under Section 313.
Clean Air Act:
This material does not contain any hazardous air pollutants.
This material does not contain any Class 1 Ozone depletors.
SECTION 16 - ADDITIONAL INFORMATION N/A
