2-BUTYN-1-OL supplier | CasNO.764-01-2

Name
2-Butyn-1-ol
EINECS 212-113-4
CAS No. 764-01-2
Article Data49
CAS DataBase
Density 0.929 g/cm³
Solubility
Melting Point - 2.2 °C(lit.)
Formula C₄H₆O
Boiling Point 148 °C at 760 mmHg
Molecular Weight 70.091
Flash Point 51.7 °C
Transport Information UN 1987 3/PG 3
Appearance clear colourless to light yellow liquid
Safety 36/37-26-16
Risk Codes 10-43-52/53-36/37/38
Molecular Structure
Hazard Symbols Xi,F
Synonyms 1-Hydroxybut-2-yne;2-Butynol;NSC 222371;2-Butynyl alcohol;
PSA 20.23000
LogP 0.00200

Synthetic route

: 107-19-7
propargyl alcohol

: 74-88-4
methyl iodide

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
With lithium; ferric nitrate In ammonia at -50℃; for 2h;	95%
With lithium amide In ammonia	78%
Multistep reaction;
Stage #1: methyl iodide With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 25℃; for 0.166667h; Inert atmosphere; Stage #2: propargyl alcohol at 25℃; for 10h; Inert atmosphere;

: 39637-48-4
2-(but-2-ynyloxy)-tetrahydro-2H-pyran

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In methanol	95%
With toluene-4-sulfonic acid In methanol	59%

: 37428-46-9, 37428-53-8, 40605-42-3
3-chloro-2-buten-1-ol

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
With sodium hydroxide In cyclohexane; water at 65 - 72℃; for 8h;	88.1%
With potassium hydroxide; tetra-(n-butyl)ammonium iodide In hexane for 12h; Heating;	50%
With ammonia; sodium; ferric nitrate for 14h;	47%
With ammonia; sodium amide Behandeln des Reaktions-Loesung mit NH4Cl;
With ammonia; sodium amide

: 50965-89-4
dilithium salt of propargyl alcohol

: 74-88-4
methyl iodide

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
	85%

: 97231-46-4
1-(methoxymethoxy)but-2-yne

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
With bismuth(III) chloride; water In acetonitrile at 50℃; for 3h;	85%

: 83591-03-1
(but-2-yn-1-yloxy)(tert-butyl)dimethylsilane

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
With P(MeNCH2CH2)3N In dimethyl sulfoxide at 80℃; for 36h; desilylation;	83%

: 50-00-0
formaldehyd

: 463-49-0
1,2-propanediene

: 5389-87-7
1-chloro-3,7-dimethylocta-2,6-diene

A: 764-01-2
methyl propargyl alcohol

B: 16933-56-5
(6E)-7,11-dimethyldodeca-6,10-dien-2-yn-1-ol

Conditions

Conditions	Yield
Stage #1: 1,2-propanediene With n-butyllithium In diethyl ether; hexane at -78 - -15℃; for 1.75h; Inert atmosphere; Stage #2: 1-chloro-3,7-dimethylocta-2,6-diene In diethyl ether; hexane at -15℃; for 5.05h; Inert atmosphere; Stage #3: formaldehyd Further stages;	A n/a B 68%

...Expand

: 50-00-0
formaldehyd

: 16466-97-0, 13254-27-8
1-propynylmagnesium bromide

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
With diethyl ether

: 37428-46-9
(Z)-3-chloro-2-but-en-1-ol

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
With potassium hydroxide
With potassium hydroxide
With sodium hydroxide

: 4089-67-2
2,3-dichloro-1-butanol

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
With ammonia; sodium amide

: 18913-31-0
2,3-butadien-1-ol

A: 764-01-2
methyl propargyl alcohol

B: 927-74-2
1-butyn-4-ol

Conditions

Conditions	Yield
With sodium

: 50-00-0
formaldehyd

: 74-99-7
prop-1-yne

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran; hexane at -78 - 0℃; for 1h; Inert atmosphere; Stage #2: formaldehyd In tetrahydrofuran; hexane at 0 - 50℃; for 4h; Inert atmosphere;
With n-butyllithium In tetrahydrofuran at -78℃;
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran at -78℃; Stage #2: formaldehyd In tetrahydrofuran at -78℃;
With copper(I) formate; water; calcium carbonate at 100℃; under 7600 Torr;

: 50-00-0
formaldehyd

: 4529-04-8
1-propynyl lithium

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
In diethyl ether

: 2806-97-5
1,1-diethoxy-2-butyne

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
(i) aq. oxalic acid, (ii) Zn, AcOH, CuSO4; Multistep reaction;

: (5-Chloro-2-hydroxy-phenyl)-carbamic acid but-2-ynyl ester

A: 764-01-2
methyl propargyl alcohol

B: 95-25-0
5-chloro-2-benzoxazolinone

Conditions

Conditions	Yield
With water at 25℃; Rate constant; pH 10-11;

: 4344-87-0
3-hydroxy-5-methyl-1H-pyrazole

A: 123-73-9
trans-Crotonaldehyde

B: 764-01-2
methyl propargyl alcohol

C: 15798-64-8
cis-crotonaldehyde

Conditions

Conditions	Yield
at 600℃; Product distribution; Mechanism; various pyrazolines;

...Expand

: 50-00-0
formaldehyd

: 74-99-7
prop-1-yne

copper formate: copper formate

CaCO3: CaCO3

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
at 100℃; under 7355.08 Torr;

...Expand

methylacetylene magnesium bromide: methylacetylene magnesium bromide

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
With diethyl ether; polyoxymethylene nachfolgendem Zersetzen des Reaktionsprodukts mit Eis und Salzsaeure;

polyoxymethylene: polyoxymethylene

methylacetylene magnesium bromide: methylacetylene magnesium bromide

: 764-01-2
methyl propargyl alcohol

: 1119-19-3
but-2-ynal

: 144-62-7
oxalic acid

: 64-19-7
acetic acid

zinc: zinc

A: 71860-13-4
meso-octa-2,6-diyne-4,5-diol

: 71860-13-4
racem.-octa-2,6-diyne-4,5-diol

C: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
at -10℃;

...Expand

: 18913-31-0
2,3-butadien-1-ol

sodium: sodium

A: 764-01-2
methyl propargyl alcohol

B: 927-74-2
1-butyn-4-ol

...Expand

: 50-00-0
formaldehyd

: 13195-80-7
1,1-dibromopropene

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
Stage #1: 1,1-dibromopropene With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Inert atmosphere; Stage #2: formaldehyd In tetrahydrofuran at -78℃; for 1.5h; Inert atmosphere;

: 1-((but-2-yn-1-yloxy)methyl)-4-methoxybenzene

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
With N,N,N,N-tetraethylammonium tetrafluoroborate In methanol Electrochemical reaction;	77 %Chromat.

: 74-96-4
ethyl bromide

: 74-99-7
prop-1-yne

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
Stage #1: ethyl bromide With bromine; magnesium In tetrahydrofuran at 40℃; for 3h; Large scale; Stage #2: prop-1-yne In tetrahydrofuran at 15℃; for 12h; Large scale; Stage #3: With formaldehyd In tetrahydrofuran at 35 - 65℃; Temperature; Large scale;	160 kg

: 50-00-0
formaldehyd

: 558-13-4
carbon tetrabromide

: 75-07-0
acetaldehyde

: 764-01-2
methyl propargyl alcohol

Conditions

Conditions	Yield
Stage #1: carbon tetrabromide; acetaldehyde With triphenylphosphine In dichloromethane at 0℃; Corey-Fuchs Alkyne Synthesis; Inert atmosphere; Stage #2: With n-butyllithium In tetrahydrofuran at -78℃; Corey-Fuchs Alkyne Synthesis; Inert atmosphere; Stage #3: formaldehyd In tetrahydrofuran at -78 - 20℃; Corey-Fuchs Alkyne Synthesis; Inert atmosphere;

...Expand

: 764-01-2
methyl propargyl alcohol

: 3355-28-0
1-Bromo-2-butyne

Conditions

Conditions	Yield
With bromine; triphenylphosphine In dichloromethane at 0℃; for 1h;	100%
With phosphorus tribromide	89%
With bromine; triphenylphosphine In dichloromethane at 0℃; for 1h;	89%

: 764-01-2
methyl propargyl alcohol

: 35761-83-2
3-iodo-but-2-ene-1-ol

Conditions

Conditions	Yield
Stage #1: methyl propargyl alcohol With sodium bis(2-methoxyethoxy)aluminium dihydride In diethyl ether; toluene at 0 - 23℃; Inert atmosphere; Stage #2: With iodine; ethyl acetate In diethyl ether; toluene at 0 - 23℃; Inert atmosphere; Darkness;	100%
Stage #1: methyl propargyl alcohol With sodium bis(2-methoxyethoxy)aluminium dihydride In diethyl ether; toluene at -78 - 20℃; for 12.5h; Inert atmosphere; Stage #2: With iodine In tetrahydrofuran; diethyl ether; toluene at -78 - 20℃; Inert atmosphere;	98%
Stage #1: methyl propargyl alcohol With sodium bis(2-methoxyethoxy)aluminium dihydride In diethyl ether; ethyl acetate; toluene at 0 - 20℃; for 18.5h; Inert atmosphere; Stage #2: With iodine In tetrahydrofuran; diethyl ether; ethyl acetate; toluene at -78 - 20℃; for 2h;	94%

: 764-01-2
methyl propargyl alcohol

: 75-78-5
dimethylsilicon dichloride

: 143887-59-6
But-2-ynyloxy-chloro-dimethyl-silane

Conditions

Conditions	Yield
Ambient temperature;	100%

: 764-01-2
methyl propargyl alcohol

: 18303-04-3
N-[(tert-butoxy)carbonyl]-4-methylbenzenesulfonamide

: 286376-22-5
N-tert-butoxycarbonyl-N-(but-2-yn-1-yl)-(4-methylphenyl)sulfonamide

Conditions

Conditions	Yield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; Mitsunobu reaction; Inert atmosphere;	100%
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran; toluene at 20℃; for 1h; Mitsunobu reaction;	95%
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 20℃; Condensation;	78%
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 9h;

: 764-01-2
methyl propargyl alcohol

: 87600-97-3
4,6-dichloropyrimidine-5-carboxylic acid chloride

: 4,6-dichloro-pyrimidine-5-carboxylic acid but-2-ynyl ester

Conditions

Conditions	Yield
With triethylamine at 0 - 20℃;	100%

: 764-01-2
methyl propargyl alcohol

: 855233-47-5
3-iodo-2-buten-1-ol

Conditions

Conditions	Yield
Stage #1: methyl propargyl alcohol With sodium bis(2-methoxyethoxy)aluminium dihydride In tetrahydrofuran Stage #2: With iodine In tetrahydrofuran	100%
Stage #1: methyl propargyl alcohol With sodium bis(2-methoxyethoxy)aluminium dihydride In diethyl ether at 0 - 20℃; for 4h; Inert atmosphere; Stage #2: With iodine In diethyl ether at 0 - 20℃; for 8h; Inert atmosphere;	99%
Stage #1: methyl propargyl alcohol With sodium bis(2-methoxyethoxy)aluminium dihydride In diethyl ether; ethyl acetate; toluene at 0 - 20℃; for 18.5h; Inert atmosphere; Stage #2: With iodine In tetrahydrofuran; diethyl ether; ethyl acetate; toluene at -78 - 20℃; for 2h; Inert atmosphere;	78%
Stage #1: methyl propargyl alcohol With sodium bis(2-methoxyethoxy)aluminium dihydride In diethyl ether at 0℃; for 1h; Stage #2: With iodine In diethyl ether at -78 - 20℃; for 1h;

: 764-01-2
methyl propargyl alcohol

: 4903-36-0
N-phenyl-benzimidoyl chloride

: 1252581-34-2
but-2-ynyl-N-phenylbenzimidate

Conditions

Conditions	Yield
Stage #1: methyl propargyl alcohol With sodium hydride In tetrahydrofuran; mineral oil at 0 - 30℃; for 1.25h; Stage #2: N-phenyl-benzimidoyl chloride In tetrahydrofuran; mineral oil at 0 - 20℃; for 20h;	100%

: 764-01-2
methyl propargyl alcohol

: 58479-61-1
tert-butylchlorodiphenylsilane

: 88158-68-3
4-(tert-butyldiphenylsilyloxy)-1-butyne

Conditions

Conditions	Yield
With 1H-imidazole In N,N-dimethyl-formamide at 0℃; for 2.5h; Sealed tube; Inert atmosphere;	100%

: 764-01-2
methyl propargyl alcohol

: 4088-60-2
cis-2-buten-1-ol

Conditions

Conditions	Yield
With hydrogen; copper-palladium; silica gel In ethanol at 25℃; under 760.051 Torr;	99%
With hydrogen; Lindlar's catalyst	95%
With hydrogen In methanol at 20℃; under 760.051 Torr; for 5.5h; Green chemistry;	95%

: 764-01-2
methyl propargyl alcohol

A: 4088-60-2
cis-2-buten-1-ol

B: 71-36-3
butan-1-ol

Conditions

Conditions	Yield
With hydrogen; copper-palladium; silica gel In ethanol at 25℃; under 760 Torr; Kinetics;	A 99% B n/a

: 764-01-2
methyl propargyl alcohol

: 116547-92-3
N-(2-iodophenyl)methanesulfonamide

: 850668-89-2
N-(but-2-yn-1-yl)-N-(2-iodophenyl)methanesulfonamide

Conditions

Conditions	Yield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 3h;	99%
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 23h;	99%

: 764-01-2
methyl propargyl alcohol

: 10396-97-1
(S)-4-methyl-N-(2-oxotetrahydrofuran-3-yl)benzenesulfonamide

: C15H17NO4S

Conditions

Conditions	Yield
With triphenylphosphine; diethylazodicarboxylate In dichloromethane at 20℃; for 10h; Mitsunobu reaction; Inert atmosphere;	99%

: 764-01-2
methyl propargyl alcohol

: 922-67-8
propynoic acid methyl ester

: 1332358-45-8
(E)-methyl 3-(but-2-ynyloxy)acrylate

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 20℃; Inert atmosphere;	99%

: 764-01-2
methyl propargyl alcohol

: 813-19-4
bis(tri-n-butyltin)

: 121882-41-5, 124607-17-6, 850354-34-6
(2E)-3-methyl-3-tributylstannylprop-2-en-1-ol

Conditions

Conditions	Yield
Stage #1: bis(tri-n-butyltin) With n-butyllithium; copper(l) cyanide In tetrahydrofuran; hexane at -78 - -40℃; for 0.583333h; Inert atmosphere; Stage #2: methyl propargyl alcohol In tetrahydrofuran; methanol; hexane at -78 - -10℃; Inert atmosphere;	99%
With n-butyllithium; copper(l) cyanide In tetrahydrofuran; methanol at -78 - 20℃;	99%

: 764-01-2
methyl propargyl alcohol

: 688-73-3
tri-n-butyl-tin hydride

: (E)-2-(tri-n-butylstannyl)-2-buten-1-ol

Conditions

Conditions	Yield
With 2,2'-azobis(isobutyronitrile); oxygen In benzene-d6 at 80℃; for 1h; Reagent/catalyst; diastereoselective reaction;	99%

: 764-01-2
methyl propargyl alcohol

: 6627-55-0
2-bromo-p-cresol

: 2-bromo-1-(but-2-yn-1-yloxy)-4-methylbenzene

Conditions

Conditions	Yield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 0.5h; Mitsunobu Displacement; Inert atmosphere;	99%

: 764-01-2
methyl propargyl alcohol

: 19409-26-8
3-phenyl-2H-1,4-benzoxazine

: (2'-methyl-2H,4H-spiro[benzo[b][1,4]oxazine-3,1'-inden]-3'-yl)methanol

Conditions

Conditions	Yield
With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; copper diacetate In acetonitrile at 100℃; for 4h; Schlenk technique; Inert atmosphere;	99%

: 764-01-2
methyl propargyl alcohol

: 813-19-4
bis(tri-n-butyltin)

: 850354-34-6, 121882-41-5, 124607-17-6
3-(tributylstannyl)but-2-en-1-ol

Conditions

Conditions	Yield
With n-butyllithium; copper(l) cyanide In tetrahydrofuran at -10℃; Inert atmosphere; regioselective reaction;	99%

: 110-87-2
3,4-dihydro-2H-pyran

: 764-01-2
methyl propargyl alcohol

: 39637-48-4
2-(but-2-ynyloxy)-tetrahydro-2H-pyran

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In diethyl ether 0 deg C, 0.5 h; 25 deg C, 1 h;	98%
With lanthanum(III) chloride In dichloromethane for 4h; Ambient temperature;	93%
With toluene-4-sulfonic acid at 0℃; for 3h;	89%

: 764-01-2
methyl propargyl alcohol

: 4083-64-1
Tosyl isocyanate

: 63132-71-8
but-2-yn-1-yl tosylcarbamate

Conditions

Conditions	Yield
In 1,2-dichloro-ethane at 20℃; for 2.5h;	98%
copper(l) iodide; triethylamine In tetrahydrofuran at 25℃;
With triethylamine In diethyl ether for 2h; Ambient temperature; Yield given;

: 764-01-2
methyl propargyl alcohol

: bis(but-2-ynyloxy) disulfide

Conditions

Conditions	Yield
With disulfur dichloride; triethylamine In diethyl ether at 0℃; for 1h;	98%
With disulfur dichloride; triethylamine In diethyl ether

: 764-01-2
methyl propargyl alcohol

: 762-42-5
dimethyl acetylenedicarboxylate

: trimethyl 1,3-dihydro-3-oxo-7-methyl-4,5,6-isobenzofurantricarboxylate

Conditions

Conditions	Yield
With 1,2-bis-(diphenylphosphino)ethane; bis(1,5-cyclooctadiene)diiridium(I) dichloride In tetrahydrofuran for 2h; Heating;	98%
With zinc; CoI2(dppe) In tetrahydrofuran; acetonitrile at 80℃; for 12h;	85%

: 764-01-2
methyl propargyl alcohol

: 149-30-4
2-Mercaptobenzothiazole

: 99972-97-1
2-but-2-ynylmercapto-benzothiazole

Conditions

Conditions	Yield
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 0℃; Mitsunobu substitution;	98%
Stage #1: methyl propargyl alcohol With 1H-imidazole; iodine; triphenylphosphine In dichloromethane for 0.75h; Inert atmosphere; Reflux; Stage #2: 2-Mercaptobenzothiazole In dichloromethane at 20℃; for 2h; Inert atmosphere;	53%

: 764-01-2
methyl propargyl alcohol

: 198572-71-3
N-(tert-butoxycarbonyl)-2-nitrobenzenesulfonamide

: 1100756-20-4
tert-butyl but-2-yn-1-yl[(2-nitrophenyl)sulfonyl]carbamate

Conditions

Conditions	Yield
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran; toluene at 20℃; for 22h; Mitsunobu reaction;	98%

: 764-01-2
methyl propargyl alcohol

: 102851-82-1
dimethyl deca-2,8-diynedioate

: 1218903-77-5
4-methyl-1-oxo-1,3,6,7,8,9-hexahydronaphtho[1,2-c]furan-5-carboxylic acid methyl ester

Conditions

Conditions	Yield
With bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate; 2,2'-bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl; hydrogen In 1,2-dichloro-ethane at 20℃; for 16.17h; Inert atmosphere;	98%

: 764-01-2
methyl propargyl alcohol

: 959-66-0
3-oxo-3-phenylpropionanilide

: 1416150-80-5
3-benzoyl-4-methyl-1-phenyl-2-pyridone

Conditions

Conditions	Yield
With 2-tert-butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine; ruthenium(IV) oxide hydrate; oxygen In tetrahydrofuran under 760.051 Torr; for 12h; Reflux; regioselective reaction;	98%

: 764-01-2
methyl propargyl alcohol

: 124-63-0
methanesulfonyl chloride

: 61493-85-4
but-2-yn-1-yl methanesulfonate

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 0℃; for 2h;	97%
With triethylamine In dichloromethane	96%
With triethylamine In dichloromethane at -20℃; for 0.5h;	87%

: 764-01-2
methyl propargyl alcohol

: 1138-80-3
N-(Benzyloxycarbonyl)glycine

: 416898-34-5
benzyloxycarbonylamino-acetic acid but-2-ynyl ester

Conditions

Conditions	Yield
With dmap; dicyclohexyl-carbodiimide In diethyl ether at 20℃; for 22h;	97%
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃;

: 764-01-2
methyl propargyl alcohol

: C4H5ClOS2

Conditions

Conditions	Yield
With disulfur dichloride; triethylamine In diethyl ether at -10℃; for 0.5h;	97%

: 764-01-2
methyl propargyl alcohol

: 287108-60-5
5-bromo-2-[(4-hydroxy-benzenesulfonyl)-methyl-amino]-3-methyl-benzoic acid methyl ester

: 287108-62-7
5-bromo-2-[(4-but-2-ynyloxy-benzenesulfonyl)-methyl-amino]-3-methyl-benzoic acid

Conditions

Conditions	Yield
Stage #1: methyl propargyl alcohol; 5-bromo-2-[(4-hydroxy-benzenesulfonyl)-methyl-amino]-3-methyl-benzoic acid methyl ester Stage #2: With sodium hydroxide In tetrahydrofuran; methanol; water Heating / reflux; Stage #3: With hydrogenchloride In tetrahydrofuran; methanol; water	97%

2-BUTYN-1-OL Chemical Properties

The Molecular formula of 2-BUTYN-1-OL(764-01-2): C₄H₆O
The Molecular Weight of 2-BUTYN-1-OL(764-01-2):70.09
The Molecular Structure of 2-BUTYN-1-OL(764-01-2):

EINECS: 212-113-4
Melting point: -2.2 ^°C(lit.)
Boiling Point: 148 °C at 760 mmHg
Flash Point: 51.7 °C
Index of Refraction: 1.446
Molar Refractivity: 20.12 cm³
Molar Volume: 75.3 cm³
Polarizability: 7.97 10^-24 cm³
Surface Tension: 37.2 dyne/cm
Density: 0.929 g/cm³
Enthalpy of Vaporization: 44.84 kJ/mol
Vapour Pressure: 1.67 mmHg at 25°C
storage temp.: Refrigerator
Stability: Stable. Flammable.
Appearance: liquid
BRN: 1733676
IUPAC Name: but-2-yn-1-ol
Synonyms: 2-butyn-1-0l;2-Butynol;HYDROXYMETHYLMETHYLACETYLENE;CH₃CequivCCH₂OH;BUT-2-IN-1-OL;2-BUTYNE-1-OL;2-Butynyl alcohol;But-2-yn-1-ol;

2-BUTYN-1-OL Safety Profile

The Hazard Codes of 2-BUTYN-1-OL(764-01-2):

Xi,

F
Hazard Note: Irritant
HazardClass: 3
The Risk Statements information of 2-BUTYN-1-OL(764-01-2):
10: Flammable
43: May cause sensitization by skin contact
36/37/38: Irritating to eyes, respiratory system and skin
52/53: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
The Safety Statements information of 2-BUTYN-1-OL(764-01-2):
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37: Wear suitable protective clothing and gloves
RIDADR: UN 1987 3/PG 3
WGK Germany: 3
PackingGroup: III
HS Code: 29052990

Product Name

2-Butyn-1-ol

Synthetic route

2-BUTYN-1-OL Chemical Properties

2-BUTYN-1-OL Safety Profile

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