2-Methyl-3-butyn-2-ol

Agent Name
2-Methyl-3-butyn-2-ol
CAS Number
115-19-5
Formula
C5-H8-O
Major Category
Other Classes
2-Methyl-3-butyn-2-ol formula graphical representation
Synonyms
1,1-Dimethyl-2-propynol; 1,1-Dimethylpropargyl alcohol; 1,1-Dimethylpropynol; 1-Butyn-3-ol, 3-methyl-; 2-Hydroxy-2-methyl-3-butyne; 2-Methyl-2-butynol; 2-Methylbutyn-3-ol-2; 3-Methyl-1-butyn-3-ol; 3-Methyl-butin-(1)-ol-(3) [German]; 3-Methylbutynol; alpha,alpha-Dimethylpropargyl alcohol; Carbavane [Russian]; Dimethylacetylenecarbinol; Dimethylacetylenylcarbinol; Dimethylethynylcarbinol; Dimethylethynylmethanol; Ethynyldimethylcarbinol; 2-Methylbut-3-yn-2-ol; 3-Butyn-2-ol, 2-methyl-; 2-Methyl-2-hydroxy-3-butyne; 3-Methyl-butyn-3-ol; [ChemIDplus] Methylbutynol; [CAMEO] UN1987
Category
Alcohols and Polyols, Other
Description
Liquid; mp = 2.6 deg C; [Merck Index] Colorless liquid; [Alfa Aesar MSDS]
Sources/Uses
Has been used as a pheromone substitute in beetle control; [REPROTOX] Used as an intermediate, laboratory reagent, and in wood treatment; [ECHA REACH Registrations]
Comments
An eye but not skin irritant in rabbits; Not a skin sensitizer in guinea pig modified split adjuvant test; Developmental toxicity observed in rats at doses maternally toxic; [IUCLID] Causes somnolence, lung changes, ataxia, respiratory depression, and general anesthesia in inhalation lethal-concentration studies of mice; Oral LD50 (mouse) = 500 mg/kg; [RTECS] A skin and eye irritant; May cause smarting and reddening of skin if spilled and allowed to remain on clothes; High vapor concentrations may cause mild smarting of eyes and respiratory tract; [CHRIS] An eye irritant; [ICSC] May cause serious eye injury; Harmful by ingestion; [ECHA REACH Registrations] An irritant; Harmful by ingestion; [Alfa Aesar MSDS]
Biomedical References

Exposure Assessment

Vapor Pressure
16 mm Hg
Lethal Concentration
LC50 (mouse) = 2,000 mg/m3
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Alcohols, n.o.s."
NFPA
may ignite at ambient temp

Adverse Effects

Neurotoxin
Acute solvent syndrome

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: