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1-Heptyne

1-Heptyne Structure
1-Heptyne structure
CAS No.
628-71-7
Chemical Name:
1-Heptyne
Synonyms
hept-1-yne;Heptyne;1-heptanone;I-Heptin;1-HEPTYNE;HEPTYNE(1-);1-n-Heptyne;1-Heptyne99%;1-Heptyne>1-Heptyne 99%
CBNumber:
CB3171402
Molecular Formula:
C7H12
Molecular Weight:
96.17
MDL Number:
MFCD00009529
MOL File:
628-71-7.mol
MSDS File:
SDS
Last updated:2026-05-28 01:01:28
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1-Heptyne Properties

Melting point -81 °C (lit.)
Boiling point 99-100 °C (lit.)
Density 0.733 g/mL at 25 °C (lit.)
vapor pressure 93.1 mm Hg ( 37.7 °C)
refractive index n20/D 1.408(lit.)
Flash point 28 °F
storage temp. Flammables area
form Liquid
color Clear colorless to light yellow-green
Water Solubility Soluble in organic solvents. Insoluble in water.
BRN 1733518
Henry's Law Constant 1.8×10-4 mol/(m3Pa) at 25℃, Brockbank (2013)
InChI 1S/C7H12/c1-3-5-7-6-4-2/h1H,4-7H2,2H3
InChIKey YVXHZKKCZYLQOP-UHFFFAOYSA-N
SMILES CCCCCC#C
LogP 3.208 (est)
CAS DataBase Reference 628-71-7(CAS DataBase Reference)
FDA UNII Z3NF9SSH6K
NIST Chemistry Reference 1-Heptyne(628-71-7)
EPA Substance Registry System 1-Heptyne (628-71-7)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)Health Hazard (GHS08)
GHS02,GHS07,GHS08
Signal word  Danger
Hazard statements  H315-H319-H304-H225
Precautionary statements  P501-P240-P210-P233-P243-P241-P242-P264-P280-P370+P378-P331-P337+P313-P305+P351+P338-P362+P364-P303+P361+P353-P332+P313-P301+P310-P403+P235-P405
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  F,Xn
Risk Statements  11-36/37/38-65
Safety Statements  16-26-36-62-9-33
RIDADR  UN 3295 3/PG 2
WGK Germany  3
F  10-23
TSCA  TSCA listed
HazardClass  3
PackingGroup  II
HS Code  29012980
Storage Class 3 - Flammable liquids
Hazard Classifications Flam. Liq. 2
REACH Registrations Active
Limited Quantities 1.0 L (0.3 gallon) (liquid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
3
3 0

1-Heptyne price More Price(13)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 244414 1-Heptyne 98% 628-71-7 25ml $112 2026-04-30 Buy
Sigma-Aldrich 244414 1-Heptyne 98% 628-71-7 100ml $430 2026-04-30 Buy
TCI Chemical H0048 1-Heptyne >97.0%(GC) 628-71-7 25mL $120 2026-04-30 Buy
TRC TRC-H288200-5G 1-Heptyne 628-71-7 5g $84 2026-06-03 Buy
TRC TRC-H288200-50G 1-Heptyne 628-71-7 50g $334 2026-06-03 Buy
Product number Packaging Price Buy
244414 25ml $112 Buy
244414 100ml $430 Buy
H0048 25mL $120 Buy
TRC-H288200-5G 5g $84 Buy
TRC-H288200-50G 50g $334 Buy

1-Heptyne Chemical Properties, Uses, Production

Chemical Properties

clear colorless to light yellow-green liquid

Uses

1-Heptyne is used in the synthesis of (6Z,10E,12Z)-octadeca-6,10,12-trienoic acid and (8Z,12E,14Z)-eicosa-8,12,14-trienoic acid.

General Description

The hydrogenation of 1-heptyne with palladium, platinum and ruthenium supported on activated carbon as catalysts, was studied.

1-Heptyne synthesis

110-53-2
74-86-2
628-71-7
Synthesis of 1-Heptyne from 1-Bromopentane and Acetylene

1-Heptyne Preparation Products And Raw materials

Raw materials

Preparation Products

Cinmethylin chlorempenthrin 2,4-Decadienoic acid methyl ester decadienal,(E,Z)-2,4-decadienal cis-8,11,14-Eicosatrienoic acid methyl ester
1-Heptene 3-Nonyne-1,2-diol, 2-methyl-

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1-Heptyne Suppliers

Global Suppliers ( 184)
Supplier Tel Email Country ProdList Advantage
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
New Energy Chemicals 0515-82159099 13770142076 info@njuchem.com China 251 65
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
China DongFan Chemical Co.,LTD 86-0571-85151182 China 5681 66
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Supplier Advantage
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
3B Pharmachem (Wuhan) International Co.,Ltd. 69
New Energy Chemicals 65
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Capot Chemical Co., Ltd 66
Shanghai Hanhong Scientific Co.,Ltd. 64
China DongFan Chemical Co.,LTD 66
Shandong Xiya Chemical Co., Ltd 57

View Latest Price from 1-Heptyne manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1-Heptyne pictures 2026-03-20 1-Heptyne
628-71-7
 1KG 99% 20 mt Hebei Chuanghai Biotechnology Co., Ltd
1-Heptyne pictures 2023-09-07 1-Heptyne
628-71-7
 $100.00 1bag 99 5000 Hebei Fengqiang Trading Co., LTD
1-Heptyne pictures 2020-01-03 1-Heptyne
628-71-7
 $6.60 1KG 97%-99% 1kg -1000kg Career Henan Chemical Co
  • 1-Heptyne pictures
  • 1-Heptyne
    628-71-7
  • 99%
  • Hebei Chuanghai Biotechnology Co., Ltd
  • 1-Heptyne pictures
  • 1-Heptyne
    628-71-7
  • $100.00
  • 99
  • Hebei Fengqiang Trading Co., LTD
  • 1-Heptyne pictures
  • 1-Heptyne
    628-71-7
  • $6.60
  • 97%-99%
  • Career Henan Chemical Co

1-Heptyne Spectrum

1-Heptyne(628-71-7)MS1-Heptyne(628-71-7)1HNMR1-Heptyne(628-71-7)13CNMR1-Heptyne(628-71-7)IR11-Heptyne(628-71-7)Raman

628-71-7 (1-Heptyne) Related Search:

Heptaldehyde Cyclohexylacetylene 17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether Ethinyl Estradiol 1-Octyn-3-ol
Ethisterone 1-Ethynyl-1-cyclohexanol 3-Nonyn-1-ol 1-Decyne 1-Nonyne
1-Ethynylcyclopentanol Methyl 2-nonynoate Methyl 2-octynoate 1-Ethynylcyclohexylamine 1,7-Octadiyne
1,8-Nonadiyne 2-Octynoic acid 1-Dodecyne

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