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1-PENTYN-3-OL

1-PENTYN-3-OL structure

CAS No.: 4187-86-4

Chemical Name:: 1-PENTYN-3-OL

Synonyms: Pentynol;1-PENTYN-3-OL;PENT-1-YN-3-OL;1-pentylyne-3-ol;1-Pentyn-3-ol>1-Pentyn-3-ol 98%;1-Pentyn-3-ol,98%;(3S)-1-pentyn-3-ol;ETHYL ETHYNYL CARBINOL;Ethyl ethynyl carbinol,99%

CBNumber:: CB6457789

Molecular Formula:: C5H8O

Molecular Weight:: 84.12

MDL Number:: MFCD00004572

MOL File:: 4187-86-4.mol

Last updated:2026-01-13 11:24:05

Product description	Number	Pack Size	Price
1-Pentyn-3-ol >97.0%(GC)	P0069	10g	$182
1-Pentyn-3-ol	P227568	500mg	$110
1-Pentyn-3-ol 95%	AS102763	5G	$90
Pent-1-yn-3-ol 95%	2502-1-02	5G	$108
1-Pentyn-3-ol	X7089	10g	$240
More product size

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1-PENTYN-3-OL Properties

Melting point	-24.1°C (estimate)
Boiling point	124 °C
Density	0.975 g/mL at 25 °C(lit.)
vapor density	1 (vs air)
refractive index	n20/D 1.434(lit.)
Flash point	85 °F
storage temp.	Sealed in dry,2-8°C
pka	13.28±0.20(Predicted)
form	clear liquid
color	Colorless to Yellow to Green
Water Solubility	Slightly soluble in water.
BRN	1098409
InChI	1S/C5H8O/c1-3-5(6)4-2/h1,5-6H,4H2,2H3
InChIKey	LBSKEFWQPNVWTP-UHFFFAOYSA-N
SMILES	CCC(O)C#C
CAS DataBase Reference	4187-86-4(CAS DataBase Reference)
EWG's Food Scores	1
UNSPSC Code	12352100

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02,GHS06

Signal word

Danger

Hazard statements

H226-H301-H311-H331

Precautionary statements

P210-P233-P240-P241+P242+P243-P264-P270-P301+P310+P330-P303+P361+P353-P370+P378-P403+P235-P405-P501-P261-P280-P301+P310-P311-P260-P280f-P307+P311

PPE

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Hazard Codes

Risk Statements

10-23/24/25

Safety Statements

16-36/37/39-45

RIDADR

UN 1986 3/PG 3

WGK Germany

RTECS

SC4758500

HazardClass

PackingGroup

III

HS Code

29052900

Storage Class

3 - Flammable liquids

Hazard Classifications

Acute Tox. 3 Dermal
Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Flam. Liq. 3

Limited Quantities

5.0 L (1.3 gallons) (liquid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

NFPA 704

	3
2		0

1-PENTYN-3-OL price More Price(13)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	P0069	1-Pentyn-3-ol >97.0%(GC)	4187-86-4	10g	$182	2025-07-31	Buy
TRC	P227568	1-Pentyn-3-ol	4187-86-4	500mg	$110	2021-12-16	Buy
Activate Scientific	AS102763	1-Pentyn-3-ol 95%	4187-86-4	5G	$90	2021-12-16	Buy
SynQuest Laboratories	2502-1-02	Pent-1-yn-3-ol 95%	4187-86-4	5G	$108	2021-12-16	Buy
AK Scientific	X7089	1-Pentyn-3-ol	4187-86-4	10g	$240	2021-12-16	Buy

Product number	Packaging	Price	Buy
P0069	10g	$182	Buy
P227568	500mg	$110	Buy
AS102763	5G	$90	Buy
2502-1-02	5G	$108	Buy
X7089	10g	$240	Buy

1-PENTYN-3-OL Chemical Properties,Uses,Production

Chemical Properties

CLEAR YELLOW LIQUID

Uses

1-Pentyn-3-ol is used as a pharmaceutical intermediate.

1-PENTYN-3-OL Preparation Products And Raw materials

Raw materials

Preparation Products

1-PENTYN-3-OL Suppliers

Global( 111)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-29-81139210 +86-18192627656	1059@dideu.com	China	3589	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29735	60
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13799	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
Antai Fine Chemical Technology Co.,Limited	18503026267	info@antaichem.com	CHINA	9636	58
Neostar United (Changzhou) Industrial Co., Ltd.	+86-0519-85551759 +8613506123987	marketing1@neostarunited.com	China	8830	58
SIMAGCHEM CORP	+86-5922680277 +86-13806087780	sale@simagchem.com	China	17346	58
Career Henan Chemica Co	+86-0371-86658258 +8613203830695	laboratory@coreychem.com	China	30229	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52846	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Capot Chemical Co.,Ltd.	60
Shanghai Daken Advanced Materials Co.,Ltd	58
CONIER CHEM AND PHARMA LIMITED	58
Antai Fine Chemical Technology Co.,Limited	58
Neostar United (Changzhou) Industrial Co., Ltd.	58
SIMAGCHEM CORP	58
Career Henan Chemica Co	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Dayang Chem (Hangzhou) Co.,Ltd.	58

View Lastest Price from 1-PENTYN-3-OL manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-12-12	1-Pentyn-3-ol 4187-86-4	US $1.00-35.00 / KG	1KG	99%	200000KG	Shaanxi Dideu Medichem Co. Ltd

1-Pentyn-3-ol
4187-86-4
US $1.00-35.00 / KG
99%
Shaanxi Dideu Medichem Co. Ltd

1-PENTYN-3-OL Spectrum

1-PENTYN-3-OL(4187-86-4)MS 1-PENTYN-3-OL(4187-86-4)¹HNMR 1-PENTYN-3-OL(4187-86-4)¹³CNMR 1-PENTYN-3-OL(4187-86-4)IR1 1-PENTYN-3-OL(4187-86-4)Raman

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