2-METHYL-2-HYDROXY-3-BUTYNE

Diamond	Hazard	Value	Description
3 1 1	Health	1	Can cause significant irritation.
	Flammability	3	Can be ignited under almost all ambient temperature conditions.
	Instability	1	Normally stable but can become unstable at elevated temperatures and pressures.
	Special

Colorless to straw yellow liquid. (USCG, 1999)

• Highly Flammable

Highly flammable.

Special Hazards of Combustion Products: Irritating and toxic gases, such as carbon dioxide and carbon monoxide, may be produced in fire. (USCG, 1999)

Contact will cause eye and skin irritation. Vapor exposure may cause eye and respiratory tract irritation. (USCG, 1999)

2-METHYL-2-HYDROXY-3-BUTYNE is an alcohol. Flammable and/or toxic gases are generated by the combination of alcohols with alkali metals, nitrides, and strong reducing agents. They react with oxoacids and carboxylic acids to form esters plus water. Oxidizing agents convert them to aldehydes or ketones. Alcohols exhibit both weak acid and weak base behavior. They may initiate the polymerization of isocyanates and epoxides.

• Alcohols and Polyols
• Alkynes, with Acetylenic Hydrogen

Use caution: Liquids with this reactive group classification have been known to react with the absorbent listed below.

• Cellulose-Based Absorbents

Excerpt from 127 [Flammable Liquids (Water-Miscible)]:

IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area for at least 50 meters (150 feet) in all directions.

LARGE SPILL: Consider initial downwind evacuation for at least 300 meters (1000 feet).

FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2020)

Fire Extinguishing Agents Not to Be Used: Water.

Fire Extinguishing Agents: Dry chemical, alcohol foam or carbon dioxide. (USCG, 1999)

Excerpt from 127 [Flammable Liquids (Water-Miscible)]:

ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area. All equipment used when handling the product must be grounded. Do not touch or walk through spilled material. Stop leak if you can do it without risk. Prevent entry into waterways, sewers, basements or confined areas. A vapor-suppressing foam may be used to reduce vapors. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. Use clean, non-sparking tools to collect absorbed material.

LARGE SPILL: Dike far ahead of liquid spill for later disposal. Water spray may reduce vapor, but may not prevent ignition in closed spaces. (ERG, 2020)

Wear full impervious protective clothing and approved respirator. Where splashing is possible wear full face shield or chemical safety goggles. Use approved respirator to protect against vapors. (USCG, 1999)

No information available.

Get medical attention.

INHALATION: Remove to fresh air. If breathing is difficult, give oxygen.

EYES: Flush with water for at least 15 min., lifting lids occasionally.

SKIN: Remove contaminated clothing and shoes. Flush with water. (USCG, 1999)

• DIMETHYLACETYLENECARBINOL
• DIMETHYLETHYNYLCARBINOL
• 1,1-DIMETHYLPROPARGYL ALCOHOL
• 2-HYDROXY-2-METHYL-3-BUTYNE
• METHYL BUTYNOL
• 2-METHYL-2-BUTYNOL
• 2-METHYL-2-HYDROXY-3-BUTYNE
• 2-METHYL-3-BUTYN-2-OL