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1,2-BUTADIENE

1,2-BUTADIENE structure

CAS No.: 590-19-2

Chemical Name:: 1,2-BUTADIENE

Synonyms: CH2=C=CHCH3;1,2-Butadien;methyl-allen;METHYLALLENE;1,2-BUTADIENE;buta-1,2-diene;Allene, methyl-;1,2-BUTADIENE, PRESSURE TIN;1,2-butadiene (Methyl allene);1,2-BUTADIENE 90+% PRESSURE TIN

CBNumber:: CB2701756

Molecular Formula:: C4H6

Molecular Weight:: 54.09

MDL Number:: MFCD00039911

MOL File:: 590-19-2.mol

MSDS File:: SDS

Last updated:2026-04-10 10:27:09

Product description	Number	Pack Size	Price
1,2-Butadiene 97%	1300-1-23	5G	$225
1,2-Butadiene 97%	1300-1-23	25g	$595
1,2-BUTADIENE 95.00%	CHM0005741	10ML	$1264.73
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1,2-BUTADIENE Properties

Melting point	-136.2°C
Boiling point	10.8 °C(lit.)
Density	0.6460
refractive index	1.4205
storage temp.	Freezer
form	gas
Water Solubility	735mg/L at 20℃
Thermal Conductivity	0.134 W/(m·K) at 0 ℃
Henry's Law Constant	1.2×10^-4 mol/(m³Pa) at 25℃, Yaws (2003)
InChI	InChI=1S/C4H6/c1-3-4-2/h4H,1H2,2H3
InChIKey	QNRMTGGDHLBXQZ-UHFFFAOYSA-N
SMILES	C=C=CC
LogP	1.99 at 20℃
CAS DataBase Reference	590-19-2(CAS DataBase Reference)
FDA UNII	2AZI943A8R
EPA Substance Registry System	1,2-Butadiene (590-19-2)
UNSPSC Code	12142100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02,GHS04

Signal word

Danger

Hazard statements

H220-H280

Precautionary statements

P210-P377-P381-P410+P403

Hazard Codes

F+

Risk Statements

Safety Statements

16-23-24/25

RIDADR

UN 2037 2.1

WGK Germany

4.5-31

TSCA

TSCA listed

HazardClass

2.1

Storage Class

2A - Gases

Hazard Classifications

Flam. Gas 1A
Press. Gas Liquefied gas

Hazardous Substances Data

590-19-2(Hazardous Substances Data)

NFPA 704

	4
1		0

1,2-BUTADIENE price More Price(3)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
SynQuest Laboratories	1300-1-23	1,2-Butadiene 97%	590-19-2	5G	$225	2021-12-16	Buy
SynQuest Laboratories	1300-1-23	1,2-Butadiene 97%	590-19-2	25g	$595	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0005741	1,2-BUTADIENE 95.00%	590-19-2	10ML	$1264.73	2021-12-16	Buy

Product number	Packaging	Price	Buy
1300-1-23	5G	$225	Buy
1300-1-23	25g	$595	Buy
CHM0005741	10ML	$1264.73	Buy

1,2-BUTADIENE Chemical Properties,Uses,Production

Uses

1,2-Butadiene can be used as a reagent:

To synthesize useful β-borylallylsilanes building blocks by reacting with various achiral silylboranes via Pd-catalyzed asymmetric silaboration reaction.
In the enantioselective diboration reaction in the presence of palladium catalyst and Lewis base ligand.
3-methyl-4-methyleneisocoumarin via formation of ortho-thallated benzoic acid in the presence of thallium trifluoroacetate and palladium catalyst.

Definition

ChEBI: Buta-1,2-diene is a butadiene and a member of allenes.

Flammability and Explosibility

Extremely flammable

1,2-BUTADIENE synthesis

Synthesis of 1,2-BUTADIENE from 2-Butanone

1,2-BUTADIENE Preparation Products And Raw materials

Raw materials

2,3-Dibromo-1-butene 4-Pentyn-2-ol, 3-methyl- 3-CHLORO-1-BUTYNE Ethanol Acetaldehyde

1-BUTEN-3-YNE

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Preparation Products

1,2,3,6-Tetrahydrophthalic anhydride 2-Butene 1-BUTYNE 2-Butyne propene

1,2-BUTADIENE Suppliers

Global( 57)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21592	55
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29795	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-87569266 +86-17392581500	1015@dideu.com	China	3992	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52705	58
GIHI CHEMICALS CO.,LIMITED	+86-571-86217390; +8618058761490	info@gihichemicals.com	China	49968	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	+8618950047208	ellena@amitychem.com	China	43416	58
Mainchem Co., Ltd.	+86-0592-6210733	sale@mainchem.com	China	32343	55
Wuhan eastop Technology Co., ltd.6	18086015167 17702779303	service@isotopechina.com	China	310	58
Shanghai wechem chemical co., ltd	18824865657	2684615189@qq.com	China	429	58
ShangLan Gases （ShangHai）Co.，Ltd	4001882517 13194677939	shineliu@isotopecenter.com	China	483	58

Supplier	Advantage
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
Shaanxi Dideu Medichem Co. Ltd	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
GIHI CHEMICALS CO.,LIMITED	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	58
Mainchem Co., Ltd.	55
Wuhan eastop Technology Co., ltd.6	58
Shanghai wechem chemical co., ltd	58
ShangLan Gases （ShangHai）Co.，Ltd	58

View Lastest Price from 1,2-BUTADIENE manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2019-12-25	1,2-BUTADIENE 590-19-2	US $0.10 / KG	1KG	95%-99%	1kg; 50kg; 500kg	Career Henan Chemical Co

1,2-BUTADIENE
590-19-2
US $0.10 / KG
95%-99%
Career Henan Chemical Co

1,2-BUTADIENE Spectrum

1,2-BUTADIENE(590-19-2)¹HNMR

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METHYLALLENE 1,2-BUTADIENE Allene, methyl- CH2=C=CHCH3 methyl-allen buta-1,2-diene 1,2-BUTADIENE, PRESSURE TIN 1,2-Butadien 1,2-BUTADIENE 90+% PRESSURE TIN 1,2-butadiene (Methyl allene) 590-19-2 590192 Synthetic Reagents Compressed and Liquefied Gases Chemical Synthesis Compressed and Liquefied Gases Synthetic Reagents