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3-Hydroxyphenylacetylene

CAS No.
10401-11-3
Chemical Name:
3-Hydroxyphenylacetylene
Synonyms
3-ETHYNYLPHENOL;4-ETHYNYL-PHENOL;Phenol, 3-ethynyl-;TIMTEC-BB SBB005886;3-HYDROXYPHENYLACETYLENE;Phenol, 3-ethynyl- (9CI);M-HYDROXYPHENYLACETYLENE;3-HYDROXYPHENYLACETYLENE, 95+%;3-Hydroxyphenylacetylene >=95.0%;3-HYDROXYPHENYLACETYLENE (3-Ethynylphenol)
CBNumber:
CB9852635
Molecular Formula:
C8H6O
Molecular Weight:
118.13
MDL Number:
MFCD00078347
MOL File:
10401-11-3.mol
MSDS File:
SDS
Last updated:2026-05-28 05:17:07
Product description Number Pack Size Price
3-Hydroxyphenylacetylene ≥95.0% 632023 1g $70.9
3-Hydroxyphenylacetylene ≥95.0% 632023 5g $289
3-Ethynylphenol min. 98.0 % E1421 1G $304
3-Ethynylphenol, 95% 81992 10G $1001.38
3-Ethynylphenol ≥95% CS-W009224 1g $17
More product size

3-Hydroxyphenylacetylene Properties

Melting point 64-66 °C
Boiling point 75°C 3mm
Density 1.083 g/mL at 25 °C(lit.)
refractive index n20/D 1.5840(lit.)
Flash point 218 °F
storage temp. Inert atmosphere,Store in freezer, under -20°C
solubility Miscible with dimethylformamide.
pka 9.30±0.10(Predicted)
form Crystalline Powder
color White to pale yellow
BRN 2076613
InChI InChI=1S/C8H6O/c1-2-7-4-3-5-8(9)6-7/h1,3-6,9H
InChIKey AODMJIOEGCBUQL-UHFFFAOYSA-N
SMILES C1(O)=CC=CC(C#C)=C1
CAS DataBase Reference 10401-11-3(CAS DataBase Reference)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H302-H318
Precautionary statements  P280-P301+P312+P330-P305+P351+P338+P310
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  Xn
Risk Statements  22-41-52/53
Safety Statements  26-37/39
RIDADR  2810
WGK Germany  2
HazardClass  8
PackingGroup 
HS Code  29071990
Storage Class 10 - Combustible liquids
Hazard Classifications Acute Tox. 4 Oral
Eye Dam. 1
NFPA 704
1
2 0

3-Hydroxyphenylacetylene price More Price(83)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 632023 3-Hydroxyphenylacetylene ≥95.0% 10401-11-3 1g $70.9 2026-04-30 Buy
Sigma-Aldrich 632023 3-Hydroxyphenylacetylene ≥95.0% 10401-11-3 5g $289 2026-04-30 Buy
TCI Chemical E1421 3-Ethynylphenol min. 98.0 % 10401-11-3 1G $304 2026-04-30 Buy
GFS CHEMICALS 81992 3-Ethynylphenol, 95% 10401-11-3 10G $1001.38 2026-06-03 Buy
ChemScene CS-W009224 3-Ethynylphenol ≥95% 10401-11-3 1g $17 2026-06-04 Buy
Product number Packaging Price Buy
632023 1g $70.9 Buy
632023 5g $289 Buy
E1421 1G $304 Buy
81992 10G $1001.38 Buy
CS-W009224 1g $17 Buy

3-Hydroxyphenylacetylene Chemical Properties,Uses,Production

Chemical Properties

Clear yellow liquid

Uses

3-Hydroxyphenylacetylene is used as a fluorogenic and chromogenic probe for bacterial enzymes.

Synthesis

3-(2-(triMethylsilyl)ethynyl)phenol

388061-72-1

3-Hydroxyphenylacetylene

10401-11-3

The general procedure for the synthesis of 3-hydroxyphenylacetylene from (3-hydroxyphenylalkynyl)trimethylsilane was as follows: (3-hydroxyphenylalkynyl)trimethylsilane was dissolved in a mixed solvent of THF (6 mL) and MeOH (6 mL), followed by the addition of 10% aqueous KOH solution (6 mL). The reaction mixture was stirred at room temperature for 2 hours. Upon completion of the reaction, the reaction mixture was neutralized with 1N HCl solution and the solvent was subsequently removed by rotary evaporation. The aqueous phase was extracted with CH2Cl2 and the organic phase was dried with anhydrous Na2SO4. Finally, purification by column chromatography (eluent: n-hexane/acetone, 5:1, v/v) afforded 3-hydroxyphenylacetylene (162.8 mg, 70% yield), the product was a yellow oil.

References

[1] Patent: US2009/68242, 2009, A1. Location in patent: Page/Page column 7
[2] Organic Letters, 2014, vol. 16, # 24, p. 6302 - 6305

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View Lastest Price from 3-Hydroxyphenylacetylene manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-Hydroxyphenylacetylene pictures 2019-07-10 3-Hydroxyphenylacetylene
10401-11-3
$1.00 1KG 98% 150KG Career Henan Chemical Co

3-Hydroxyphenylacetylene Spectrum

3-HYDROXYPHENYLACETYLENE 4-ETHYNYL-PHENOL TIMTEC-BB SBB005886 3-HYDROXYPHENYLACETYLENE (3-Ethynylphenol) Phenol, 3-ethynyl- (9CI) 3-HYDROXYPHENYLACETYLENE, 95+% M-HYDROXYPHENYLACETYLENE Phenol, 3-ethynyl- 3-Ethynylphenol 3-Hydroxyphenylacetylene 3-Hydroxyphenylacetylene >=95.0% 3-ETHYNYLPHENOL, 95%3-ETHYNYLPHENOL, 95%3-ETHYNYLPHENOL, 95% 3-ETHYNYLPHENOL 10401-11-3 HOC6H4CCH ALCOHOL Terminal Organic Building Blocks Alkynes Building Blocks