二硫氰酸亚甲酯

Description

Methylene dithiocyanate · CAS 6317-18-6 · C3H2N2S2. UNII K1QS9QOS1J. Melting Point: 221 to 225 °F (NTP, 1992); Melting Point: 105-107 °C; Vapor Pressure: 0.00197 [mmHg].

Identification

CAS Registry Number	6317-18-6
PubChem CID	22772
Molecular formula	C3H2N2S2
IUPAC name	thiocyanatomethyl thiocyanate
UNII (FDA)	K1QS9QOS1J

Computed Descriptors

Molecular Weight	130.20
XLogP3	1.7
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	2
Exact Mass	129.96594042
Monoisotopic Mass	129.96594042
Topological Polar Surface Area	98.2
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Melting Point	221 to 225 °F (NTP, 1992)
Melting Point	105-107 °C
Vapor Pressure	0.00197 [mmHg]

Physical description & handling notes

• Methylenebis(thiocyanate) appears as yellow to light orange-colored mass or yellow powder. (NTP, 1992)
• Other Solid
• Yellow to light orange solid; [CAMEO]
• SOLID IN VARIOUS FORMS.
• Yellow to light orange-colored solid
• Decomposes (NTP, 1992)

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS

GHS Hazard Classification

Reported hazard statements	H301, H314, H317, H330, H400, H315, H318, H371

Documented Uses

• Used against wood rot, termites, mildew, and decay; [Hawley] Powerful action against slime-forming bacteria, spore formers, and fungi; Used in paper mills and water cooling systems; [HSDB]
• Pulp and Paper Processing [Category: Industry]
• Biocide (cooling water systems); wood preservative
• To stop wood rot, termite attack, mildew, and decay
• Powerful action against slime-forming bacteria, spore formers, and fungi; used in paper mills and water cooling systems.
• Processing aids not otherwise specified

Synonyms

Methylene dithiocyanate; 6317-18-6; Methylene bis(thiocyanate); Proxel MB; Methylenedirhodanide; Thiocyanic acid, methylene ester; Methylenedirhodanid; Nalfloc N 206; Dithiocyanatomethane; METHYLENE THIOCYANATE; Methylendirhodanid; methylenebisthiocyanate; Methylendithiokyanat; Methylenebis(thiocyanate); Slimicide MC; DTXSID8025599

Frequently Asked Questions

What are the CAS number and molecular formula of Methylene dithiocyanate?

CAS 6317-18-6; molecular formula C3H2N2S2; molecular weight — g/mol.

What other names is Methylene dithiocyanate known by?

Methylene dithiocyanate, 6317-18-6, Methylene bis(thiocyanate), Proxel MB, Methylenedirhodanide, Thiocyanic acid, methylene ester.

What is the regulatory status of Methylene dithiocyanate?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Methylene dithiocyanate classified as hazardous?

Hazard statements reported: H301, H314, H317, H330, H400.

What are the key physical properties of Methylene dithiocyanate?

Melting Point: 221 to 225 °F (NTP, 1992); Melting Point: 105-107 °C; Vapor Pressure: 0.00197 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.