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2-Methyl-1,3-dithiane

2-Methyl-1,3-dithiane structure

CAS No.: 6007-26-7

Chemical Name:: 2-Methyl-1,3-dithiane

Synonyms: 2-methyl-m-dithian;2-Methyl-m-dithiane;2-methyl-3-dithiane;methyl-2dithiane-1,3;Methyl-2 dithiane-1,3;m-Dithiane, 2-methyl-;2-Methyl-1,3-dithiane;1,3-Dithiane, 2-methyl-;2-Methyl-1,3-dithiane 98%;2-Methyl-1,3-dithiane ,98%

CBNumber:: CB3456059

Molecular Formula:: C5H10S2

Molecular Weight:: 134.26

MDL Number:: MFCD00014652

MOL File:: 6007-26-7.mol

MSDS File:: SDS

Last updated:2026-09-12 18:52:03

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2-Methyl-1,3-dithiane Properties

Boiling point	56-59 °C/3 mmHg (lit.)
Density	1.121 g/mL at 25 °C (lit.)
refractive index	n20/D 1.560(lit.)
Flash point	180 °F
storage temp.	Storage temp. 2-8°C
form	Liquid
color	Colorless to brown
Odor	at 0.10 % in dipropylene glycol. sulfurous
Odor Type	sulfurous
Water Solubility	Not miscible or difficult to mix in water. Soluble in alcohol.
BRN	102766
InChI	1S/C5H10S2/c1-5-6-3-2-4-7-5/h5H,2-4H2,1H3
InChIKey	KXROTPXCYDXGSC-UHFFFAOYSA-N
SMILES	CC1SCCCS1
LogP	2.265 (est)
CAS DataBase Reference	6007-26-7(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	U6KUZ3F2ZW
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07,GHS08,GHS09

Signal word

Danger

Hazard statements

H227

Precautionary statements

P210e-P280a-P370+P378a-P403+P235-P501a

PPE

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Safety Statements

23-24/25

RIDADR

3334

WGK Germany

RTECS

JO5263000

HS Code

2934999090

Storage Class

10 - Combustible liquids

NFPA 704

	2
1		0

2-Methyl-1,3-dithiane price More Price(34)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	359130	2-Methyl-1,3-dithiane 99%	6007-26-7	5ML	$123	2023-06-20	Buy
TCI Chemical	M3590	2-Methyl-1,3-dithiane min. 95.0 %	6007-26-7	5G	$120	2026-04-30	Buy
TCI Chemical	M3590	2-Methyl-1,3-dithiane min. 95.0 %	6007-26-7	25G	$260	2026-04-30	Buy
Usbiological	283335	2-Methyl-1,3-dithiane Asreported	6007-26-7	2g	$339	2026-06-03	Buy
Usbiological	283335	2-Methyl-1,3-dithiane Asreported	6007-26-7	5g	$468	2026-06-03	Buy

Product number	Packaging	Price	Buy
359130	5ML	$123	Buy
M3590	5G	$120	Buy
M3590	25G	$260	Buy
283335	2g	$339	Buy
283335	5g	$468	Buy

2-Methyl-1,3-dithiane Chemical Properties, Uses, Production

Uses

It has been employed in the synthesis of methyl ketones. 2-Methyl-1,3-dithiane is suitable for use in the preparation of potassium trifluoro(2-methyl-1,3-dithiano)borate.

Synthesis Reference(s)

Tetrahedron Letters, 27, p. 6305, 1986 DOI: 10.1016/S0040-4039(00)87793-X

General Description

2-Methyl-1,3-dithiane is a versatile acyl anion equivalent. Role of hyperconjugation in the conformational analysis of 2-methyl-1,3-dithiane has been reported.

Purification Methods

Wash the dithiane with H2O, 2.5 M aqueous NaOH, H2O, brine, dry over K2CO3 (use toluene as solvent if the volume of reagent is small), filter, evaporate and distil the colourless residue. IR film: 1455, 1371 and 1060 (all medium and CH3), 1451m, 1422s, 1412m, 1275m, 1236m, max 1190m, 1171w, 918m and 866w (all dithiane) cm-1 [Corey & Erickson J Org Chem 36 3553 1971, Seebach & Corey J Org Chem 40 231 1975]. [Beilstein 19 III/IV 49, 19/1 V 53.]

2-Methyl-1,3-dithiane Preparation Products And Raw materials

Raw materials

Sodium sulfate Boron trifluoride diethyl etherate Benzene Hydrochloric acid Dichloromethane

Sodium hydroxide Acetaldehyde 1,3-Dimercaptopropane

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Preparation Products

2-Methyl-1,3-dithiane Suppliers

Global Suppliers ( 84)

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
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
Nanjing Norris-Pharm Technology Co., Ltd	13901585132	sales@norris-pharm.com	China	8869	55
Shanghai Jian Chao Chemical Technology Co., Ltd.	150-2103-5486 18017383231	983544897@qq.com	China	9335	55
Bide Pharmatech Ltd.	400-164-7117 18317119277	product02@bidepharm.com	China	40000	60

Supplier	Advantage
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
3B Pharmachem (Wuhan) International Co.,Ltd.	69
Alfa Aesar	84
Energy Chemical	61
Shanghai Hanhong Scientific Co.,Ltd.	64
Syntechem Co.,Ltd	57
Thermo Fisher Scientific	75
Nanjing Norris-Pharm Technology Co., Ltd	55
Shanghai Jian Chao Chemical Technology Co., Ltd.	55
Bide Pharmatech Ltd.	60

View Latest Price from 2-Methyl-1,3-dithiane manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2022-01-04	2-Methyl-1,3-dithiane 6007-26-7		1g	98%minNMR	100kg/month	Shanghai Rlavie Technology Co ltd
	2019-12-26	2-METHYL-1,3-DITHIANE 6007-26-7	$1.00	1KG	85.0-99.8%	20 tons	Career Henan Chemical Co

2-Methyl-1,3-dithiane
6007-26-7
98%minNMR
Shanghai Rlavie Technology Co ltd

2-METHYL-1,3-DITHIANE
6007-26-7
$1.00
85.0-99.8%
Career Henan Chemical Co

2-Methyl-1,3-dithiane Spectrum

2-METHYL-1,3-DITHIANE(6007-26-7)¹HNMR 2-METHYL-1,3-DITHIANE(6007-26-7)FT-IR 2-METHYL-1,3-DITHIANE(6007-26-7)Raman 2-METHYL-1,3-DITHIANE(6007-26-7)IR

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2-methyl-3-dithiane 2-methyl-m-dithian 2-Methyl-m-dithiane Acetaldehyde, cyclic trimethylene mercaptal m-Dithiane, 2-methyl- Methyl-2 dithiane-1,3 methyl-2dithiane-1,3 2-Methyl-1,3-dithiane 98% 1,3-Dithiane, 2-methyl- Inchi=1/C5H10S2/C1-5-6-3-2-4-7-5/H5H,2-4H2,1h 2-Methyl-1,3-dithiane ,98% 2-Methyl-1,3-dithiane 6007-26-7 C5H10S2 Heterocyclic Building Blocks Others S-Containing Building Blocks Building Blocks Chemical Synthesis Heterocyclic Building Blocks Heterocyclic Compounds Ring Systems Heterocyclic Building Blocks Others S-Containing