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ChemicalBook >> CAS DataBase List >> 1-Pentyne

1-Pentyne

1-Pentyne price.
  • $10 - $1141.26
  • Product name: 1-Pentyne
  • CAS: 627-19-0
  • MF: C5H8
  • MW: 68.12
  • EINECS:210-987-1
  • MDL Number:MFCD00009469
  • Synonyms:Acetylene, propyl-;C3H7CequivCH;n-Propyl acetylene;PROPYLACETYLENE;1-PENTYNE 98+%;1-Pentyne (6CI, 8CI, 9CI);1-Pentyne,99%;l-pentyne
Price32 Properties Safety Information Description
32 prices
Selected condition：
Brand
  • AHH
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Chem-Impex
  • GFS CHEMICALS
  • Medical Isotopes, Inc.
  • Oakwood
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
  • Usbiological
Package
  • 1g
  • 5g
  • 5ML
  • 10g
  • 25ML
  • 25g
  • 50g
  • 100g
  • 100ML
  • 250g
  • 250ML
  • 5 g
  • ManufacturerAHH
  • Product numberMT-20813
  • Product description1-Pentyne 97%
  • Packaging250g
  • Price$325
  • Updated2026-05-26
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0018331
  • Product description1-PENTYNE 95.00%
  • Packaging25ML
  • Price$1141.26
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR5512
  • Product descriptionPent-1-yne 99%
  • Packaging5g
  • Price$48
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR5512
  • Product descriptionPent-1-yne 99%
  • Packaging25g
  • Price$123
  • Updated2026-06-04
  • Buy
  • ManufacturerChem-Impex
  • Product number27222
  • Product description1-Pentyne ≥99%(GC)
  • Packaging5ML
  • Price$18.5
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number27222
  • Product description1-Pentyne ≥99%(GC)
  • Packaging25ML
  • Price$40
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number27222
  • Product description1-Pentyne ≥99%(GC)
  • Packaging250ML
  • Price$340
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number27222
  • Product description1-Pentyne ≥99%(GC)
  • Packaging100ML
  • Price$145
  • Updated2026-05-19
  • Buy
  • ManufacturerGFS CHEMICALS
  • Product number83832
  • Product description1-Pentyne, 99%
  • Packaging25G
  • Price$100.12
  • Updated2026-06-03
  • Buy
  • ManufacturerGFS CHEMICALS
  • Product number82641
  • Product description1-Pentyne, 97%
  • Packaging25G
  • Price$66.78
  • Updated2026-06-03
  • Buy
  • ManufacturerMedical Isotopes, Inc.
  • Product number41945
  • Product description1-Pentyne
  • Packaging1g
  • Price$610
  • Updated2021-12-16
  • Buy
  • ManufacturerMedical Isotopes, Inc.
  • Product number41945
  • Product description1-Pentyne
  • Packaging10g
  • Price$675
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number164100
  • Product description1-Pentyne
  • Packaging25g
  • Price$50
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number164100
  • Product description1-Pentyne
  • Packaging50g
  • Price$92
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number164100
  • Product description1-Pentyne
  • Packaging1g
  • Price$10
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number164100
  • Product description1-Pentyne
  • Packaging5g
  • Price$15
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-20813 1-Pentyne 97% 250g $325 2026-05-26 Buy
American Custom Chemicals Corporation CHM0018331 1-PENTYNE 95.00% 25ML $1141.26 2021-12-16 Buy
Apolloscientific OR5512 Pent-1-yne 99% 5g $48 2026-06-04 Buy
Apolloscientific OR5512 Pent-1-yne 99% 25g $123 2026-06-04 Buy
Chem-Impex 27222 1-Pentyne ≥99%(GC) 5ML $18.5 2026-05-19 Buy
Chem-Impex 27222 1-Pentyne ≥99%(GC) 25ML $40 2026-05-19 Buy
Chem-Impex 27222 1-Pentyne ≥99%(GC) 250ML $340 2026-05-19 Buy
Chem-Impex 27222 1-Pentyne ≥99%(GC) 100ML $145 2026-05-19 Buy
GFS CHEMICALS 83832 1-Pentyne, 99% 25G $100.12 2026-06-03 Buy
GFS CHEMICALS 82641 1-Pentyne, 97% 25G $66.78 2026-06-03 Buy
Medical Isotopes, Inc. 41945 1-Pentyne 1g $610 2021-12-16 Buy
Medical Isotopes, Inc. 41945 1-Pentyne 10g $675 2021-12-16 Buy
Oakwood 164100 1-Pentyne 25g $50 2021-12-16 Buy
Oakwood 164100 1-Pentyne 50g $92 2021-12-16 Buy
Oakwood 164100 1-Pentyne 1g $10 2021-12-16 Buy
Oakwood 164100 1-Pentyne 5g $15 2021-12-16 Buy
Next Last

Properties

Melting point :-106 °C
Boiling point :40 °C(lit.)
Density :0.691 g/mL at 25 °C(lit.)
vapor pressure :6.8 psi ( 20 °C)
refractive index :n20/D 1.385(lit.)
Flash point :-34°C
storage temp. :Store at +2°C to +8°C.
solubility :1.05g/l
form :Liquid
color :Clear colorless to pale yellow
Water Solubility :Soluble in water. (1.05 g/L) at 20°C.
Thermal Conductivity :0.127 W/(m·K) at 25 ℃
BRN :1697133
Henry's Law Constant :3.9×10-4 mol/(m3Pa) at 25℃, Brockbank (2013)
InChI :1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3
InChIKey :IBXNCJKFFQIKKY-UHFFFAOYSA-N
SMILES :CCCC#C
CAS DataBase Reference :627-19-0(CAS DataBase Reference)
EPA Substance Registry System :1-Pentyne (627-19-0)

Safety Information

Symbol(GHS): Flame (GHS02)Exclamation Mark (GHS07)Health Hazard (GHS08)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242 Use only non-sparking tools.
P243 Take precautionary measures against static discharge.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P331 Do NOT induce vomiting.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P370+P378 In case of fire: Use … for extinction.
P403+P235 Store in a well-ventilated place. Keep cool.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

1-Pentyne has been used in preparation of:lithium acetylides, required for asymmetric synthesis of α,α-dibranched propargyl sulfinamides. It is also used to synthesize 7-hydroxy-10-methoxy-3H-naphtho[2.1-b]pyrans.

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Suppliers and manufacturers

Shandong Fengyang Technology Co., Ltd. Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar TCI (Shanghai) Development Co., Ltd. Energy Chemical Tianjin heowns Biochemical Technology Co., Ltd. Maya High Purity Chemicals T&W GROUP Thermo Fisher Scientific Beijing innoChem Science & Technology Co.,Ltd.