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3-Methyl butynol

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3-Methyl butynol Basic information

Product Name:
3-Methyl butynol
Synonyms:
  • 2-Methyl-2-butynol
  • 2-methyl-2-hydroxy-3-butyne
  • 2-methyl-3-butyn-ol(2)
  • 2-Methylbutyn-3-ol-2
  • 3-Butyn-2-ol,2-methyl-
  • AB-32
  • Iso-t-pentinol
  • 2-Methyl-3-butyn-2-ol,98%
CAS:
115-19-5
MF:
C5H8O
MW:
84.12
EINECS:
204-070-5
Product Categories:
  • Chemistry
  • Acetylenes
  • Acetylenic Alcohols & Their Derivatives
  • Alkynes
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Terminal
Mol File:
115-19-5.mol
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3-Methyl butynol Chemical Properties

Melting point:
3 °C
Boiling point:
104 °C(lit.)
Density 
0.868 g/mL at 25 °C(lit.)
vapor pressure 
15 mm Hg ( 20 °C)
refractive index 
n20/D 1.42(lit.)
Flash point:
77 °F
storage temp. 
Store below +30°C.
solubility 
Fully miscible.
pka
13.34±0.29(Predicted)
form 
Powder or Crystals
color 
White to yellow-beige to brown
PH
7 (H2O, 20℃)
explosive limit
1.8-16%(V)
Water Solubility 
miscible
Merck 
14,6034
BRN 
635746
Stability:
Stable. Flammable. Incompatible with strong oxidizing agents.
CAS DataBase Reference
115-19-5(CAS DataBase Reference)
NIST Chemistry Reference
3-Butyn-2-ol, 2-methyl-(115-19-5)
EPA Substance Registry System
2-Methyl-3-butyn-2-ol (115-19-5)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
10-22-41
Safety Statements 
26-39-16
RIDADR 
UN 1987 3/PG 2
WGK Germany 
1
RTECS 
ES0810000
Autoignition Temperature
662 °F
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29052990
Toxicity
LD50 orally in Rabbit: 1420 mg/kg LD50 dermal Rat > 2000 mg/kg

MSDS

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3-Methyl butynol Usage And Synthesis

Chemical Properties

colourless to light yellow liquid

Uses

Stabilizer in chlorinated solvents, viscosity reducer and stabilizer, electroplating brightener, intermediate.

General Description

Colorless to straw yellow liquid.

Air & Water Reactions

Highly flammable.

Reactivity Profile

3-Methyl butynol 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.

Hazard

Flammable, dangerous fire risk.

Health Hazard

Contact will cause eye and skin irritation. Vapor exposure may cause eye and respiratory tract irritation.

Fire Hazard

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

3-Methyl butynol Preparation Products And Raw materials

Preparation Products

Raw materials

3-Methyl butynol Supplier

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