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ChemicalBook >> CAS DataBase List >> 2-Butyne

2-Butyne

2-Butyne price.
  • $35 - $3433
  • Product name: 2-Butyne
  • CAS: 503-17-3
  • MF: C4H6
  • MW: 54.09
  • EINECS:207-962-2
  • MDL Number:MFCD00009275
  • Synonyms:2-Butyne,98%;CH3CequivCCH3;Crotonylenetylene;CROTONYLENE(DOT);2-BUTYNE 98%;Crotonylene, Dimethylacetylene;2-BUTYNE, 98%2-BUTYNE, 98%2-BUTYNE, 98%2-BUTYNE, 98%;2-Butyne（delete）
Price23 Properties Safety Information Description
23 prices
Selected condition：
Brand
  • AK Scientific
  • Apolloscientific
  • Biosynth
  • GFS CHEMICALS
  • Oakwood
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TCI Chemical
  • Thermo Scientific Chemicals
  • Usbiological
Package
  • 5g
  • 5mL
  • 25g
  • 50g
  • 100g
  • 250g
  • 500g
  • 5 g
  • ManufacturerAK Scientific
  • Product number0978CA
  • Product description2-Butyne
  • Packaging50g
  • Price$590
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR52506
  • Product description2-Butyne 98%
  • Packaging25g
  • Price$271
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR52506
  • Product description2-Butyne 98%
  • Packaging5g
  • Price$78
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR52506
  • Product description2-Butyne 98%
  • Packaging100g
  • Price$1012
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFB29585
  • Product description2-Butyne
  • Packaging100g
  • Price$800
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFB29585
  • Product description2-Butyne
  • Packaging500g
  • Price$2100
  • Updated2021-12-16
  • Buy
  • ManufacturerGFS CHEMICALS
  • Product number80281
  • Product description2-Butyne, 98%
  • Packaging25G
  • Price$241.97
  • Updated2026-06-03
  • Buy
  • ManufacturerOakwood
  • Product number117205
  • Product description2-Butyne 97%
  • Packaging100g
  • Price$275
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number117205
  • Product description2-Butyne 97%
  • Packaging25g
  • Price$108
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number117205
  • Product description2-Butyne 97%
  • Packaging5g
  • Price$35
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number254339
  • Product description2-Butyne 99%
  • Packaging5g
  • Price$70.1
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number254339
  • Product description2-Butyne 99%
  • Packaging25g
  • Price$237
  • Updated2026-04-30
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number1500-1-02
  • Product description2-Butyne
  • Packaging25g
  • Price$264
  • Updated2021-12-16
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number1500-1-02
  • Product description2-Butyne
  • Packaging5G
  • Price$122
  • Updated2021-12-16
  • Buy
  • ManufacturerTCI Chemical
  • Product numberB0951
  • Product description2-Butyne >97.0%(GC)
  • Packaging5mL
  • Price$52
  • Updated2026-04-30
  • Buy
  • ManufacturerThermo Scientific Chemicals
  • Product numberA13823
  • Product description2-Butyne, 98%
  • Packaging5g
  • Price$57.65
  • Updated2026-04-24
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific 0978CA 2-Butyne 50g $590 2021-12-16 Buy
Apolloscientific OR52506 2-Butyne 98% 25g $271 2026-06-04 Buy
Apolloscientific OR52506 2-Butyne 98% 5g $78 2026-06-04 Buy
Apolloscientific OR52506 2-Butyne 98% 100g $1012 2026-06-04 Buy
Biosynth FB29585 2-Butyne 100g $800 2021-12-16 Buy
Biosynth FB29585 2-Butyne 500g $2100 2021-12-16 Buy
GFS CHEMICALS 80281 2-Butyne, 98% 25G $241.97 2026-06-03 Buy
Oakwood 117205 2-Butyne 97% 100g $275 2021-12-16 Buy
Oakwood 117205 2-Butyne 97% 25g $108 2021-12-16 Buy
Oakwood 117205 2-Butyne 97% 5g $35 2021-12-16 Buy
Sigma-Aldrich 254339 2-Butyne 99% 5g $70.1 2026-04-30 Buy
Sigma-Aldrich 254339 2-Butyne 99% 25g $237 2026-04-30 Buy
SynQuest Laboratories 1500-1-02 2-Butyne 25g $264 2021-12-16 Buy
SynQuest Laboratories 1500-1-02 2-Butyne 5G $122 2021-12-16 Buy
TCI Chemical B0951 2-Butyne >97.0%(GC) 5mL $52 2026-04-30 Buy
Thermo Scientific Chemicals A13823 2-Butyne, 98% 5g $57.65 2026-04-24 Buy
Next Last

Properties

Melting point :-32 °C
Boiling point :27 °C(lit.)
Density :0.691 g/mL at 25 °C(lit.)
vapor pressure :11.47 psi ( 20 °C)
refractive index :n20/D 1.393(lit.)
Flash point :-25 °C
storage temp. :2-8°C
form :Liquid
Specific Gravity :0.691
color :Clear colorless to light yellow
Water Solubility :Not miscible in water.
Thermal Conductivity :0.12 W/(m·K) at 25 ℃
BRN :1361340
Henry's Law Constant :4.6×10-4 mol/(m3Pa) at 25℃, Yaws (2003)
InChI :InChI=1S/C4H6/c1-3-4-2/h1-2H3
InChIKey :XNMQEEKYCVKGBD-UHFFFAOYSA-N
SMILES :CC#CC
CAS DataBase Reference :503-17-3(CAS DataBase Reference)
EPA Substance Registry System :2-Butyne (503-17-3)

Safety Information

Symbol(GHS): Flame (GHS02)Exclamation Mark (GHS07)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H224 Extremely flammable liquid and vapour Flammable liquids 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.
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.
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.
P501 Dispose of contents/container to..…

Description

2-Butyne is used to synthesize alkylated hydroquinones in the total synthesis of Vitamin E. It is also used as pharmaceutical intermediates.

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Suppliers and manufacturers

Wuhan eastop Technology Co., ltd.6 Shanghai wechem chemical co., ltd Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar TCI (Shanghai) Development Co., Ltd. Energy Chemical Thermo Fisher Scientific TOKYO CHEMICAL INDUSTRY CO., LTD. TCI Europe TCI AMERICA