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DIMETHYLSELENIDE

DIMETHYLSELENIDE structure

CAS No.: 593-79-3

Chemical Name:: DIMETHYLSELENIDE

Synonyms: (CH3)2Se;Methylselenium;diMethylselane;Methyl selenium;METHYL SELENIDE;imethylselenide;dimethyl-selenid;selenobis-methan;DIMETHYLSELENIDE;DIMETHYLSELENIUM

CBNumber:: CB5247675

Molecular Formula:: C2H6Se

Molecular Weight:: 109.03

MDL Number:: MFCD00014848

MOL File:: 593-79-3.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 01:56:25

Product description	Number	Pack Size	Price
Dimethyl selenide ≥99.0% (GC)	41572	1ml	$298
Dimethyl selenide >98.0%(GC)	D1289	1g	$130
Dimethylselenide (99.99+%-Se) PURATREM (99.99+%-Se)	34-0550	2g	$260
Dimethylselenide (99.99+%-Se) PURATREM (99.99+%-Se)	34-0550	10g	$1035
Dimethylselenide (99.99+%-Se) PURATREM (99.99+%-Se)	34-0550	50g	$4134
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DIMETHYLSELENIDE Properties

Melting point	-88.01°C
Boiling point	57-58°C
Density	1.408 g/mL at 20 °C (lit.)
refractive index	1.4860-1.4890
Flash point	56-58°C
storage temp.	2-8°C
solubility	Very soluble in ethyl ether and ethyl alcohol.
form	liquid
Specific Gravity	1.41
color	colorless to yellow
Sensitive	Air & Light Sensitive
BRN	1696848
Henry's Law Constant	1.2×10^-2 mol/(m³Pa) at 25℃, Keshavarz et al. (2022)
Exposure limits	ACGIH: TWA 0.2 mg/m3 NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3
Stability	Stable. Hydrolyzes in water. Reactions with acid or strong oxidizing agents are dangerous.
InChI	1S/C2H6Se/c1-3-2/h1-2H3
InChIKey	RVIXKDRPFPUUOO-UHFFFAOYSA-N
SMILES	C[Se]C
CAS DataBase Reference	593-79-3(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	YK0R6JKT6H
EPA Substance Registry System	Methane, selenobis- (593-79-3)
UNSPSC Code	12352103
NACRES	NA.23

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS06,GHS08,GHS09

Signal word

Danger

Hazard statements

H301+H331-H373-H410

Precautionary statements

P260-P264-P273-P301+P310-P304+P340+P311-P314

PPE

Eyeshields, Faceshields, Gloves

Hazard Codes

T,N

Risk Statements

23/25-33-50/53

Safety Statements

20/21-28-45-60-61

RIDADR

UN 3282 6.1/PG 2

WGK Germany

RTECS

VS6880000

1-10-13

HazardClass

PackingGroup

III

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials

Hazard Classifications

Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Aquatic Acute 1
Aquatic Chronic 1
STOT RE 2

Hazardous Substances Data

593-79-3(Hazardous Substances Data)

NFPA 704

	1
4		0

DIMETHYLSELENIDE price More Price(16)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	41572	Dimethyl selenide ≥99.0% (GC)	593-79-3	1ml	$298	2026-04-30	Buy
TCI Chemical	D1289	Dimethyl selenide >98.0%(GC)	593-79-3	1g	$130	2022-04-27	Buy
Strem Chemicals	34-0550	Dimethylselenide (99.99+%-Se) PURATREM (99.99+%-Se)	593-79-3	2g	$260	2026-04-30	Buy
Strem Chemicals	34-0550	Dimethylselenide (99.99+%-Se) PURATREM (99.99+%-Se)	593-79-3	10g	$1035	2026-04-30	Buy
Strem Chemicals	34-0550	Dimethylselenide (99.99+%-Se) PURATREM (99.99+%-Se)	593-79-3	50g	$4134	2026-04-30	Buy

Product number	Packaging	Price	Buy
41572	1ml	$298	Buy
D1289	1g	$130	Buy
34-0550	2g	$260	Buy
34-0550	10g	$1035	Buy
34-0550	50g	$4134	Buy

DIMETHYLSELENIDE Chemical Properties,Uses,Production

Chemical Properties

colourless liquid with an unpleasant odour.

Uses

Used as primary and secondary intermediate and also used in chemical research.

Definition

ChEBI: An organoselenium compound of two methyl groups covalently bound to a selenium.

General Description

Atomic number of base material: 34 Selenium

DIMETHYLSELENIDE Preparation Products And Raw materials

Raw materials

Preparation Products

SELENOPHENE

DIMETHYLSELENIDE Suppliers

Global( 106)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Yanxi Chemical Co., Ltd.	+86-17531190177	faithe@yan-xi.com	China	5838	58
Hebei Chuanghai Biotechnology Co., Ltd	+86-17732866630	mina@chuanghaibio.com	China	18112	58
career henan chemical co	+86-0371-86658258	factory@coreychem.com	China	29780	58
Antai Fine Chemical Technology Co.,Limited	18503026267	info@antaichem.com	CHINA	9631	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 17705817739	info@dycnchem.com	China	52693	58
Shaanxi Didu New Materials Co. Ltd	+86-86-17392712779 +86-13289823923	1090@dideu.com	China	8651	58
GIHI CHEMICALS CO.,LIMITED	+86-571-86217390; +8618058761490	info@gihichemicals.com	China	49859	58
Shanghai Acmec Biochemical Technology Co., Ltd.	+86-18621343501	product@acmec-e.com	China	33301	58
Aladdin Scientific		tp@aladdinsci.com	United States	54746	58
SHANGHAI KEAN TECHNOLOGY CO., LTD.	+8613817748580	cooperation@kean-chem.com	China	40048	58

Supplier	Advantage
Hebei Yanxi Chemical Co., Ltd.	58
Hebei Chuanghai Biotechnology Co., Ltd	58
career henan chemical co	58
Antai Fine Chemical Technology Co.,Limited	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
Shaanxi Didu New Materials Co. Ltd	58
GIHI CHEMICALS CO.,LIMITED	58
Shanghai Acmec Biochemical Technology Co., Ltd.	58
Aladdin Scientific	58
SHANGHAI KEAN TECHNOLOGY CO., LTD.	58

View Lastest Price from DIMETHYLSELENIDE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-06-27	DIMETHYLSELENIDE 593-79-3		1KG	99%	500000kg	Hebei Chuanghai Biotechnology Co., Ltd
2025-06-20	DIMETHYLSELENIDE 593-79-3	$40.00	1kg	0.99	10 tons	Hebei Yanxi Chemical Co., Ltd.
2020-01-13	DIMETHYLSELENIDE 593-79-3	$1.00	1g	99.0%	100kg	Career Henan Chemical Co

DIMETHYLSELENIDE
593-79-3
$0.00
99%
Hebei Chuanghai Biotechnology Co., Ltd

DIMETHYLSELENIDE
593-79-3
$40.00
0.99
Hebei Yanxi Chemical Co., Ltd.

DIMETHYLSELENIDE
593-79-3
$1.00
99.0%
Career Henan Chemical Co

DIMETHYLSELENIDE Spectrum

DIMETHYLSELENIDE(593-79-3)¹HNMR DIMETHYLSELENIDE(593-79-3)IR1

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(CH3)2Se (Methylselanyl)methane dimethyl-selenid Methane, selenobis- methane,selenobis- Methyl selenium Methylselanylmethane Methylselenide(8CI) Methylselenium Selenide, dimethyl- Selenide,dimethyl- selenobis-methan selenobis-methane SELENIUM DIMETHYL METHYL SELENIDE DIMETHYLSELENIDE DIMETHYLSELENIUM Dimethylselenide,99% Dimethylselenide,elec.gr.(99.99+%-Se)PURATREM DimethylselenideelecgrPURATREMcolorlessliq Dimethylselenium(II) Dimethyl selenide >=99.0% (GC) (methylseleno)methane diMethylselane Dimethylselenide (99.99+%-Se) PURATREM Dimethylselenide Liquid Dimethylselenide > imethylselenide 593-79-3 CH6SE C2H6Se Puriss p.a. General Use Analytical Reagents Analytical Chromatography Product Catalog Classes of Metal Compounds Semimetal Compounds Se (Selenium) Compounds organoselenides Classes of Metal Compounds Se (Selenium) Compounds Semimetal Compounds